Identification of a polyphenol and its antioxidant properties from the roasting reaction of alginic acid Reviewed

Doi S.

Bioscience, Biotechnology and Biochemistry   85 ( 4 )   957 - 961   2021.04（ ISSN:09168451 ）

Protecting group-free method for synthesis of N-glycosyl carbamates and an assessment of the anomeric effect of nitrogen in the carbamate group Reviewed

Yoshiyasu Ichikawa, Daisuke Kaneno, Nobuyoshi Saeki, Takahiro Minami, Toshiya Masuda, Kumi Yoshida, Tadao Kondo, Rika Ochi

Carbohydrate Research   505   108280 - 108280   2021.03（ ISSN:0008-6215 ）

Bioactivity of alginetin, a caramelization product of pectin: Cytometric analysis of rat thymic lymphocytes using fluorescent probes Reviewed

Doi Sayaka, Kawamura Mina, Oyama Keisuke, Akamatsu Tetsuya, Mizobuchi Mizuki, Oyama Yasuo, Masuda Toshiya, Kamemura Norio

PLOS ONE   15 ( 11 )   2020.11（ ISSN:1932-6203 ）

Further Development of the Tin-Catalyzed Transcarbamoylation Reaction Reviewed

Ichikawa Yoshiyasu, Hasegawa Tomoyuki, Minami Takahiro, Sato Hiroshi, Morishita Yukinori, Ochi Rika, Masuda Toshiya

SYNTHESIS-STUTTGART   52 ( 16 )   2373 - 2378   2020.08（ ISSN:0039-7881 ）

Total synthesis of exigurin: the Ugi reaction in a hypothetical biosynthesis of natural products Reviewed

Hosokawa Seijiro, Nakanishi Keisuke, Udagawa Yutaro, Maeda Mitsutoshi, Sato Seiya, Nakano Keiji, Masuda Toshiya, Ichikawa Yoshiyasu

ORGANIC & BIOMOLECULAR CHEMISTRY   18 ( 4 )   687 - 693   2020.01（ ISSN:1477-0520 ）

Effects of Temperature on the Composition and Xanthine Oxidase Inhibitory Activities of Caffeic Acid Roasting Products Reviewed

Masuda Toshiya, Fukuyama Yuya, Doi Sayaka, Masuda Akiko, Kurosawa Shinichiro, Fujii Shigeyoshi

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY   67 ( 32 )   8977 - 8985   2019.08（ ISSN:0021-8561 ）

Chirality Transfer from a Chiral Primary Alcohol Equivalent Through Allyl Cyanate-to-Isocyanate Rearrangement: Synthesis of (+)-Geranyllinaloisocyanide Reviewed

Ichikawa Yoshiyasu, Morimoto Hirofumi, Masuda Toshiya

SYNTHESIS-STUTTGART   51 ( 15 )   2959 - 2964   2019.08（ ISSN:0039-7881 ）

Bioinspired Synthesis of the Central Core of Halichonadin H: The Passerini Reaction in a Hypothetical Biosynthesis of Marine Natural Products Reviewed

Ichikawa Y, Yamasaki T, Nakanishi K, Udagawa Y, Hosokawa S, Masuda T.

Synthesis (Germany)   51 ( 11 )   2305 - 2310   2019（ ISSN:0039-7881 ）

Stability of Polyphenols under Alkaline Conditions and the Formation of a Xanthine Oxidase Inhibitor from Gallic Acid in a Solution at pH 7.4 Reviewed

Honda S, Ishida R, Hidaka K, Masuda T.

Food Science and Technology Research   25 ( 1 )   123 - 129   2019（ ISSN:1881-3984 ）

Radical Scavenging Properties of Roasted Egoma (Perilla frutescens var. frutescens) Oils and Identification of Their Characteristic Scavengers Reviewed

Masuda A, Hidaka K, Honda S, Taniguchi A, Doi S, Masuda T.

Journal of Nutritional Science and Vitaminology   64 ( 6 )   466 - 472   2018.12（ ISSN:1881-7742 ）

Conflicting actions of 4-vinylcatechol in rat lymphocytes under oxidative stress induced by hydrogen peroxide Reviewed

Kishida T, Funakoshi Y, Fukuyama Y, Honda S, Masuda T, Oyama Y.

Drug and Chemical Toxicology   2018.08

Zinc-dependent and independent actions of hydroxyhydroquinone on rat thymic lymphocytes. Reviewed

Honoka Wada, Keisuke Oyama, Risa Kamae, Toshiya Masuda, Kaori Kanemaru, Kumio Yokoigawa,Yasuo Oyama

Drug and Chemical Toxicology   9   1 - 6   2018

Novel Xanthine Oxidase (XO) inhibitory phenylindanes produced by thermal reaction of caffeic acid Reviewed

Fukuyama Yuya, Hidaka Kayo, Masuda Akiko, Masuda Toshiya

BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY   82 ( 10 )   1825 - 1828   2018（ ISSN:0916-8451 ）

Conversion to purpurogallin, a key step in the mechanism of the potent xanthine oxidase inhibitory activity of pyrogallol Reviewed

Honda Sari, Fukuyama Yuya, Nishiwaki Hisashi, Masuda Akiko, Masuda Toshiya

FREE RADICAL BIOLOGY AND MEDICINE   106   228 - 235   2017.05（ ISSN:0891-5849 ）

Hydroxyhydroquinone, a by-product of coffee bean roasting, increases intracellular Ca2+ concentration in rat thymic lymphocytes Reviewed

Kamae Risa, Nojima Shoko, Akiyoshi Kenji, Setsu Shoki, Honda Sari, Masuda Toshiya, Oyama Yasuo

FOOD AND CHEMICAL TOXICOLOGY   102   39 - 45   2017.04（ ISSN:0278-6915 ）

SYNTHESIS OF beta-GLYCOSYL FORMAMIDES THROUGH N-GLYCOSYLATION OF UNPROTECTED CARBOHYDRATES Reviewed

Ichikawa Yoshiyasu, Matsukawa Akihito, Maeda Mitsutoshi, Tomita Yumiko, Mimura Rika, Kitamori Ayumi, Kotsuki Hiyoshizo, Nakano Keiji, Masuda Toshiya

HETEROCYCLES   92 ( 12 )   2201 - 2212   2016.12（ ISSN:0385-5414 ）

Identification of Pyrogallol in the Ethyl Acetate-Soluble Part of Coffee as the Main Contributor to Its Xanthine Oxidase Inhibitory Activity Reviewed

Honda Sari, Masuda Toshiya

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY   64 ( 41 )   7743 - 7749   2016.10（ ISSN:0021-8561 ）

A BIOMIMETIC APPROACH TO THE SYNTHESIS OF TERPENE-AMINO ACID CONJUGATES. THE UGI REACTION IN THE HYPOTHETICAL BIOSYNTHESIS OF MARINE NATURAL PRODUCTS Reviewed

Ichikawa Yoshiyasu, Saito Kenta, Mimura Rika, Kitamoria Ayumi, Matsukawa Akihito, Ikeda Akifumi, Masuda Toshiya, Kotsuki Hiyoshizo, Nakano Keiji

HETEROCYCLES   92 ( 6 )   1040 - 1053   2016.06（ ISSN:0385-5414 ）

SYNTHESIS OF TRANS-2,6-PIPERIDINEDICARBOXAMIDE USING THE UGI REACTION. A PLAUSIBLE MODEL FOR THE BIOSYNTHESIS OF HALICHONADIN P Reviewed

Mimura Rika, Kitamori Ayumi, Nakano Keiji, Kotsuki Hiyoshizo, Matsumoto Kenji, Kaneno Daisuke, Masuda Toshiya, Ichikawa Yoshiyasu

HETEROCYCLES   92 ( 5 )   857 - 865   2016.05（ ISSN:0385-5414 ）

Effective Conversion of Metmyoglobin to Oxymyoglobin by Cysteine-Substituted Polyphenols Reviewed

Honda Sari, Miura Yukari, Masuda Toshiya, Masuda Akiko

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY   64 ( 4 )   806 - 811   2016.02（ ISSN:0021-8561 ）

An oxidative coupling product of luteolin with cysteine ester and its enhanced inhibitory activity for xanthine oxidase Reviewed

Masuda Toshiya, Nojima Shoko, Miura Yukari, Honda Sari, Masuda Akiko

BIOORGANIC & MEDICINAL CHEMISTRY LETTERS   25 ( 16 )   3117 - 3119   2015.08（ ISSN:0960-894X ）

Light and abscisic acid independently regulated FaMYB10 in Fragaria × ananassa fruit Reviewed

Kadomura-Ishikawa Y, Miyawaki K, Takahashi A, Masuda T, Noji S.

Planta   241 ( 4 )   953 - 965   2015

Biomimetic Approaches Employing the Ugi Five-Center Four-Component Reaction for Synthesis of the Right-Hand Portion of Halichonadin Q and the Central Part of Halichonadin M Reviewed

Mimura R, Kitamori A, Ikeda A, Masuda T, Nakano K, Kotsuki H, Ichikawa Y.

Synthesis (Germany)   47 ( 19 )   3043 - 3048   2015

Identification of crypto- And neochlorogenic lactones as potent xanthine oxidase inhibitors in roasted coffee beans Reviewed

Honda S, Miura Y, Masuda A, Masuda T.

Bioscience, Biotechnology and Biochemistry   78 ( 12 )   2110 - 2116   2014

Identification of a potent xanthine oxidase inhibitor from oxidation of caffeic acid Reviewed

Masuda T, Shingai Y, Takahashi C, Inai M, Miura Y, Honda S, Masuda A.

Free Radical Biology and Medicine   69   300 - 307   2014

Antioxidant activities of cysteine derivatives against lipid oxidation in anhydrous media Reviewed

Miura Y, Honda S, Masuda A, Masuda T.

Bioscience, Biotechnology and Biochemistry   78 ( 8 )   1452 - 1455   2014

Stimulation of phosphorylation of ERK and CREB by phellopterin and auraptene isolated from citrus junos Reviewed

Nakamura M, Suzuki T, Takagi M, Tamura H, Masuda T.

Natural Product Communications   9 ( 10 )   1491 - 1494   2014

Reducing effects of polyphenols on metmyoglobin and the in vitro regeneration of bright meat color by polyphenols in the presence of cysteine Reviewed

Miura Y, Inai M, Honda S, Masuda A, Masuda T.

Journal of Agricultural and Food Chemistry   62 ( 39 )   9472 - 9478   2014

Protecting group free synthesis of urea-linked glycoconjugates: Efficient synthesis of β-urea glycosides in aqueous solution Reviewed

Ichikawa Y, Minami T, Kusaba S, Saeki N, Tonegawa Y, Tomita Y, Nakano K, Kotsuki H, Masuda T.

Organic and Biomolecular Chemistry   12 ( 23 )   3924 - 3931   2014

Metmyoglobin reduction by polyphenols and mechanism of the conversion of metmyoglobin to oxymyoglobin by quercetin Reviewed

Inai M, Miura Y, Honda S, Masuda A, Masuda T.

Journal of Agricultural and Food Chemistry   62 ( 4 )   893 - 901   2014

The functions of healthful teas utilized by the residents in Shikoku area, Part I. On their activities of radical scavenging, α-glucosidase inhibition, and xanthine oxidase inhibition Reviewed

MASUDA Akiko, FUJIMOTO Aya, INOUCHI Tomoko, TAKAHASHI Chizuru, INAI Miyuki, MIURA Yukari, IMAI Shoji, MASUDA Toshiya

日本食生活学会, Journal for the Integrated Study of Dietary Habits   24 ( 1 )   11 - 20   2013.06（ ISSN:13469770 ）

A biomimetic approach to the synthesis of the core structure of the marine sponge terpene halichonadin G Reviewed

Saito K, Nishimori A, Mimura R, Nakano K, Kotsuki H, Masuda T, Ichikawa Y.

European Journal of Organic Chemistry   ( 31 )   7041 - 7043   2013

Enhancing effect of a cysteinyl thiol on the antioxidant activity of flavonoids and identification of the antioxidative thiol adducts of myricetin Reviewed

Masuda T, Miura Y, Inai M, Masuda A.

Bioscience, Biotechnology and Biochemistry   77 ( 8 )   1753 - 1758   2013

Effect of polyphenols on oxymyoglobin oxidation: Prooxidant activity of polyphenols in vitro and inhibition by amino acids Reviewed

Masuda T, Inai M, Miura Y, Masuda A, Yamauchi S.

Journal of Agricultural and Food Chemistry   61 ( 5 )   1097 - 1104   2013

Curcumin: From chemistry to chemistry-based functions Reviewed

Jitoe-Masuda A, Fujimoto A, Masuda T.

Current Pharmaceutical Design   19 ( 11 )   2084 - 2092   2013

Chemical evidence for the synergistic effect of a cysteinyl thiol on the antioxidant activity of caffeic and dihydrocaffeic esters Reviewed

Fujimoto A, Inai M, Masuda T.

Food Chemistry   138 ( 2-3 )   1483 - 1492   2013

Chemical evidence for potent xanthine oxidase inhibitory activity of Glechoma hederacea var. grandis leaves (Kakidoushi-Cha) Reviewed

Masuda A, Takahashi C, Inai M, Miura Y, Masuda T.

Journal of Nutritional Science and Vitaminology   59 ( 6 )   570 - 575   2013

Antioxidation mechanism of rosmarinic acid, identification of an unstable quinone derivative by the addition of odourless thiol Reviewed

Fujimoto A, Masuda T.

Food Chemistry   132 ( 2 )   901 - 906   2012

Synthesis of manzacidin A and C: Efficient construction of quaternary carbon stereocenters bearing nitrogen substituents Reviewed

Ichikawa Y, Okumura K, Matsuda Y, Hasegawa T, Nakamura M, Fujimoto A, Masuda T, Nakano K, Kotsuki H.

Organic and Biomolecular Chemistry   10 ( 3 )   614 - 622   2012

Radical scavenging activity of spring mountain herbs in the shikoku mountain area and identification of antiradical constituents by simple HPLC detection and LC-MS methods Reviewed

Masuda T, Inouchi T, Fujimoto A, Shingai Y, Inai M, Nakamura M, Imai S.

Bioscience, Biotechnology and Biochemistry   76 ( 4 )   705 - 711   2012

Chemical interaction between polyphenols and a cysteinyl thiol under radical oxidation conditions Reviewed

Fujimoto A, Masuda T.

Journal of Agricultural and Food Chemistry   60 ( 20 )   5142 - 5151   2012

Asymmetric synthesis of (+)-geranyllinaloisocyanide: Assignment of absolute stereochemistry Reviewed

Ichikawa Y, Matsuda Y, Okumura K, Nakamura M, Masuda T, Kotsuki H, Nakano K.

Organic Letters   13 ( 10 )   2520 - 2523   2011

Syntheses of secocyclolignanes and comparative antioxidative activity between secocyclolignane and the dibenzyl type of lignan Reviewed

Morita M, Nishiwaki H, Shingai Y, Fujimoto A, Masuda T, Yamauchi S.

Bioscience, Biotechnology and Biochemistry   75 ( 5 )   939 - 943   2011

Structure and function of the oxidation products of polyphenols and identification of potent lipoxygenase inhibitors from fe-catalyzed oxidation of resveratrol Reviewed

Shingai Y, Fujimoto A, Nakamura M, Masuda T.

Journal of Agricultural and Food Chemistry   59 ( 15 )   8180 - 8186   2011

Cytotoxic characteristics of two isomeric dimers produced by oxidation of sesamol, an antioxidant in sesame oil Reviewed

Shingai Y, Fujimoto A, Nakajima A, Saito M, Kanemaru K, Masuda T, Oyama Y.

Journal of Health Science   57 ( 5 )   425 - 431   2011

Cytometric analysis on cytotoxicity of curcumin on rat thymocytes: Proapoptotic and antiapoptotic actions of curcumin Reviewed

Koizumi K, Kawanai T, Hashimoto E, Kanbara Y, Masuda T, Kanemaru K, Okano Y, Oyama Y.

Toxicology in Vitro   25 ( 4 )   985 - 990   2011

A novel ring-expanded product with enhanced tyrosinase inhibitory activity from classical Fe-catalyzed oxidation of rosmarinic acid, a potent antioxidative Lamiaceae polyphenol Reviewed

Fujimoto A, Shingai Y, Nakamura M, Maekawa T, Sone Y, Masuda T.

Bioorganic and Medicinal Chemistry Letters   20 ( 24 )   7393 - 7396   2010（ ISSN:0960-894X ）

Phenolic inhibitors of chemical and enzymatic oxidation in the leaves of Myrica rubra Reviewed

Masuda T, Someya T, Fujimoto A.

Bioscience, Biotechnology and Biochemistry   74 ( 1 )   212 - 215   2010

Identification of cytotoxic dimers in oxidation product from sesamol, a potent antioxidant of sesame oil Reviewed

Masuda T, Shingai Y, Fujimoto A, Nakamura M, Oyama Y, Maekawa T, Sone Y.

Journal of Agricultural and Food Chemistry   58 ( 20 )   10880 - 10885   2010（ ISSN:0021-8561 ）

Apoptosis-inducing action of two products from oxidation of sesamol, an antioxidative constituent of sesame oil: A possible cytotoxicity of oxidized antioxidant Reviewed

Fujimoto A, Shingai Y, Oyama T.B, Kawanai T, Hashimoto E, Koizumi K, Kimura K, Masuda T, Oyama Y.

Toxicology in Vitro   24 ( 6 )   1720 - 1726   2010

Antioxidation reaction mechanism studies of phenolic lignans, identification of antioxidation products of secoisolariciresinol from lipid oxidation Reviewed

Masuda T, Akiyama J, Fujimoto A, Yamauchi S, Maekawa T, Sone Y.

Food Chemistry   123 ( 2 )   442 - 450   2010（ ISSN:0308-8146 ）

Cytometric analysis of cytotoxicity of polyphenols and related phenolics to rat thymocytes: Potent cytotoxicity of resveratrol to normal cells Reviewed

Fujimoto A, Sakanashi Y, Matsui H, Oyama T, Nishimura Y, Masuda T, Oyama Y.

Basic and Clinical Pharmacology and Toxicology   104 ( 6 )   455 - 462   2009

Structures of cytotoxic products from Fe-catalyzed oxidation of sesamol in ethanol Reviewed

Masuda T, Fujimoto A, Oyama Y, Maekawa T, Sone Y.

Tetrahedron Letters   50 ( 27 )   3905 - 3908   2009（ ISSN:0040-4039 ）

Identification of the antioxidation reaction products from a sinapic ester in a lipid oxidation system Reviewed

Masuda T, Akiyama J, Takeda Y, Maekawa T, Sone Y.

Bioscience, Biotechnology and Biochemistry   73 ( 3 )   736 - 739   2009（ ISSN:0916-8451 ）

A new phenolic glucoside from an Uzbek medicinal plant, Origanum tyttanthum Reviewed

Takeda Y, Tomonari M, Arimoto S, Masuda T, Otsuka H, Matsunami K, Honda G, Ito M, Takaishi Y, Kiuchi F, Khodzhimatov O.K, Ashurmetov O.A.

Journal of Natural Medicines   62 ( 1 )   71 - 74   2008

Stereocontrolled synthesis of cytotoxic anhydrosphingosine pachastrissamine by using [3.3] sigmatropic rearrangement of allyl cyanate Reviewed

Ichikawa Y, Matsunaga K, Masuda T, Kotsuki H, Nakano K.

Tetrahedron   64 ( 49 )   11313 - 11318   2008

Identification of geranic acid, a tyrosinase inhibitor in lemongrass (Cymbopogon citratus) Reviewed

Masuda T, Odaka Y, Ogawa N, Nakamoto K, Kuninaga H.

Journal of Agricultural and Food Chemistry   56 ( 2 )   597 - 601   2008

Glycosidic constituents of the leaves of an Okinawan Leguminosae plant, Derris trifoliata Lour. Reviewed

Takeda Y, Yano K, Ayabe H, Masuda T, Otsuka H, Sueyoshi E, Shinzato T, Aramoto M.

Journal of Natural Medicines   62 ( 4 )   476 - 478   2008

Cytometric analysis of the cytotoxic action of adenosine 5′-monophosphate on rat thymocytes Reviewed

Sakanashi Y, Morimoto M, Nishimura Y, Matsui H, Kanemaru K, Masuda T, Oyama Y.

Journal of Health Science   54 ( 6 )   692 - 696   2008

Antioxidation mechanism studies of caffeic acid: Identification of antioxidation products of methyl caffeate from lipid oxidation Reviewed

Masuda T, Yamada K, Akiyama J, Someya T, Odaka Y, Takeda Y, Tori M, Nakashima K, Maekawa T, Sone Y.

Journal of Agricultural and Food Chemistry   56 ( 14 )   5947 - 5952   2008（ ISSN:0021-8561 ）

Antioxidant activity of butane type lignans, secoisolariciresinol, dihydroguaiaretic acid, and 7,7′-oxodihydroguaiaretic acid Reviewed

Yamauchi S, Masuda T, Sugahara T, Kawaguchi Y, Ohuchi M, Someya T, Akiyama J, Tominaga S, Yamawaki M, Kishida T, Akiyama K, Maruyama M.

Bioscience, Biotechnology and Biochemistry   72 ( 11 )   2981 - 2986   2008

Chemical constituents of an Uzbek medicinal plant, Perovskia scrophularifolia Reviewed

Takeda Y, Hayashi T, Masuda T, Honda G, Takaishi Y, Ito M, Otsuka H, Matsunami K, Khodzhimatov O.K, Ashurmetov O.A.

Journal of Natural Medicines   61 ( 1 )   84 - 85   2007

Tyrosinase inhibitory activity of ethanol extracts from medicinal and edible plants cultivated in Okinawa and identification of a water-soluble inhibitor from the leaves of Nandina domestica Reviewed

Masuda T, Fujita N, Odaka Y, Takeda Y, Yonemori S, Nakamoto K, Kuninaga H.

Bioscience, Biotechnology and Biochemistry   71 ( 9 )   2316 - 2320   2007

Effect of the benzylic structure of lignan on antioxidant activity Reviewed

Yamauchi S, Sugahara T, Matsugi J, Someya T, Masuda T, Kishida T, Akiyama K, Maruyama M.

Bioscience, Biotechnology and Biochemistry   71 ( 9 )   2283 - 2290   2007

Identification of Antioxidative Compounds from Stevia (Stevia rebaudiana) Reviewed

MASUDA Toshiya, YAMASHITA Daiki, MAEKAWA Tomomi, SONE Yoshiaki, YAMAGUCHI Hidemasa, TAKEDA Yoshio, YAMANA Toshihiko

公益社団法人 日本食品科学工学会, Nippon Shokuhin Kagaku Kogaku Kaishi   53 ( 12 )   597 - 602   2006.12（ ISSN:1341027X ）

Antioxidant mechanism studies on ferulic acid: Identification of oxidative coupling products from methyl ferulate and linoleate Reviewed

Masuda T, Yamada K, Maekawa T, Takeda Y, Yamaguchi H.

Journal of Agricultural and Food Chemistry   54 ( 16 )   6069 - 6074   2006（ ISSN:0021-8561 ）

Reciprocal effects of glucose on the process of cell death induced by calcium ionophore or H<inf>2</inf>O<inf>2</inf>in rat lymphocytes Reviewed

Horimoto K, Nishimura Y, Oyama T.M, Onoda K, Matsui H, Oyama T.B, Kanemaru K, Masuda T, Oyama Y.

Toxicology   225 ( 2-3 )   97 - 108   2006

Radical and superoxide scavenging activities of matairesinol and oxidized matairesinol Reviewed

Yamauchi S, Sugahara T, Nakashima Y, Okada A, Akiyama K, Kishida T, Maruyama M, Masuda T.

Bioscience, Biotechnology and Biochemistry   70 ( 8 )   1934 - 1940   2006

Antioxidant mechanism studies on ferulic acid: Isolation and structure identification of the main antioxidation product from methyl ferulate Reviewed

Masuda T, Yamada K, Maekawa T, Takeda Y, Yamaguchi H.

Food Science and Technology Research   12 ( 3 )   173 - 177   2006（ ISSN:13446606 ）

Effect of benzylic oxygen on the antioxidant activity of phenolic lignans Reviewed

Yamauchi S, Hayashi Y, Nakashima Y, Kirikihira T, Yamada K, Masuda T.

Journal of Natural Products   68 ( 10 )   1459 - 1470   2005

Synthesis and antioxidant activity of olivil-type lignans Reviewed

Yamauchi S, Hayashi Y, Kirikihira T, Masuda T.

Bioscience, Biotechnology and Biochemistry   69 ( 1 )   113 - 122   2005

Screening for tyrosinase inhibitors among extracts of seashore plants and identification of potent inhibitors from Garcinia subelliptica Reviewed

Masuda T, Yamashita D, Takeda Y, Yonemori S.

Bioscience, Biotechnology and Biochemistry   69 ( 1 )   197 - 201   2005

Recovery of antioxidant activity from carnosol quinone: Antioxidants obtained from a water-promoted conversion of carnosol quinone Reviewed

Masuda T, Kirikihira T, Takeda Y.

Journal of Agricultural and Food Chemistry   53 ( 17 )   6831 - 6834   2005

Lanceocrepidiasides A-F, glucosides of guaiane-type sesquiterpene from Crepidiastrum lanceolatum Reviewed

Takeda Y, Masuda T, Morikawa H, Ayabe H, Hirata E, Shinzato T, Aramoto M, Otsuka H.

Phytochemistry   66 ( 6 )   727 - 732   2005

C,O-Bisglycosylapigenins from the leaves of Rhamnella inaequilatera Reviewed

Takeda Y, Okada Y, Masuda T, Hirata E, Shinzato T, Otsuka H.

Phytochemistry   65 ( 4 )   463 - 468   2004

Lasianthionosides A-C, megastigmane glucosides from leaves of Lasianthus fordii Reviewed

Takeda Y, Shimizu H, Masuda T, Hirata E, Shinzato T, Bando M, Otsuka H.

Phytochemistry   65 ( 4 )   485 - 489   2004

Cytotoxic activity of maytanprine isolated from Maytenus diversifolia in human leukemia K562 cells Reviewed

Nakao H, Senokuchi K, Umebayashi C, Kanemaru K, Masuda T, Oyama Y, Yonemori S.

Biological and Pharmaceutical Bulletin   27 ( 8 )   1236 - 1240   2004

Synthesis and antioxidant activity of oxygenated furofuran lignans Reviewed

Yamauchi S, Ina T, Kirikihira T, Masuda T.

Bioscience, Biotechnology and Biochemistry   68 ( 1 )   183 - 192   2004

Thermal recovery of antioxidant activity from carnosol quinone, the main antioxidation product of carnosol Reviewed

Masuda T, Kirikihira T, Takeda Y, Yonemori S.

Journal of the Science of Food and Agriculture   84 ( 11 )   1421 - 1427   2004

Cytotoxic screening of medicinal and edible plants in okinawa, japan, and identification of the main toxic constituent of rhodea japonica (omoto) Reviewed

Masuda T, Oyama Y, Yamamoto N, Umebayashi C, Nakao H, Toi Y, Takeda Y, Nakamoto K, Kuninaga H, Nishizato Y, Nonaka A.

Bioscience, Biotechnology and Biochemistry   67 ( 6 )   1401 - 1404   2003

Flow cytometric estimation of cytotoxic activity of rhodexin A isolated from Rhodea japonica in human leukemia K562 cells Reviewed

Umebayashi C, Yamamoto N, Nakao H, Toi Y, Chikahisa-Muramatsu L, Kanemaru K, Masuda T, Oyama Y.

Biological and Pharmaceutical Bulletin   26 ( 5 )   627 - 630   2003

Simple detection method of powerful antiradical compounds in the raw extract of plants and its application for the identification of antiradical plant constituents Reviewed

Masuda T, Inaba Y, Maekawa T, Takeda Y, Yamaguchi H, Nakamoto K, Kuninaga H, Nishizato S, Nonaka A.

Journal of Agricultural and Food Chemistry   51 ( 7 )   1831 - 1838   2003

Antioxidant-Related Activities of Ethanol Extracts from Edible and Medicinal Plants Cultivated in Okinawa, Japan Reviewed

MASUDA Toshiya, OYAMA Yasuo, INABA Yuzuru, TOI Yukiko, ARATA Tomohiro, TAKEDA Yoshio, NAKAMOTO Katsuo, KUNINAGA Hideki, NISHIZATO Saori, NONAKA Akira

公益社団法人 日本食品科学工学会, Nippon Shokuhin Kagaku Kogaku Kaishi   49 ( 10 )   652 - 661   2002.10（ ISSN:1341027X ）

Mutagenicity and DNA-damaging activity caused by decomposed products of potassium sorbate reacting with ascorbic acid in the presence of Fe salt Reviewed

Kitano K, Fukukawa T, Ohtsuji Y, Masuda T, Yamaguchi H.

Food and Chemical Toxicology   40 ( 11 )   1589 - 1594   2002

Flow cytometric estimation on cytotoxic activity of leaf extracts from seashore plants in subtropical Japan: Isolation, quantification and cytotoxic action of (-)- deoxypodophyllotoxin Reviewed

Masuda T, Oyama Y, Yonemori S, Takeda Y, Yamazaki Y, Mizuguchi S, Nakata M, Tanaka T, Chikahisa L, Inaba Y, Okada Y.

Phytotherapy Research   16 ( 4 )   353 - 358   2002

An iridoid glucoside dimer and a non-glycosidic iridoid from the leaves of Lasianthus wallichii Reviewed

Takeda Y, Shimidzu H, Mizuno K, Inouchi S, Masuda T, Hirata E, Shinzato T, Aramoto M, Otsuka H.

Chemical and Pharmaceutical Bulletin   50 ( 10 )   1395 - 1397   2002

A new megastigmane glucoside from Phlomis spinidens Reviewed

Takeda Y, Isai N, Masuda T, Otsuka H, Honda G, Takaishi Y, Kiuchi F, Ito M, Ashurmetov O.A, Khodzhimatov O.K.

Natural Medicines   56 ( 5 )   200 - 203   2002

New sesquiterpene glucosides from Crepidiastrum lanceolatum Reviewed

Takeda Y, Morikawa H, Masuda T, Hirata E, Shinzato T, Otsuka H.

Natural Medicines   56 ( 2 )   51 - 54   2002

Structural identification of new curcumin dimers and their contribution to the antioxidant mechanism of curcumin Reviewed

Masuda T, Toi Y, Bando H, Maekawa T, Takeda Y, Yamaguchi H.

Journal of Agricultural and Food Chemistry   50 ( 9 )   2524 - 2530   2002

Recovery mechanism of the antioxidant activity from carnosic acid quinone, an oxidized sage and rosemary antioxidant Reviewed

Masuda T, Inaba Y, Maekawa T, Takeda Y, Tamura H, Yamaguchi H.

Journal of Agricultural and Food Chemistry   50 ( 21 )   5863 - 5869   2002

A new neoclerodane diterpenoid from scutellaria hematochlora Reviewed

Takeda Y, Tateoka S, Masuda T, Otsuka H, Honda G, Takaishi Y, Ito M, Khodzhimatov O.K, Ashurmetov O.A.

Heterocycles   55 ( 6 )   1141 - 1145   2001

Isolation and antioxidant activity of galloyl flavonol glycosides from the seashore plant, Pemphis acidula Reviewed

Masuda T, Iritani K, Yonemori S, Oyama Y, Takeda Y.

Bioscience, Biotechnology and Biochemistry   65 ( 6 )   1302 - 1309   2001

Chemical studies on antioxidant mechanism of curcumin: Analysis of oxidative coupling products from curcumin and linoleate Reviewed

Masuda T, Maekawa T, Hidaka K, Bando H, Takeda Y, Yamaguchi H.

Journal of Agricultural and Food Chemistry   49 ( 5 )   2539 - 2547   2001

Antioxidant mechanism of carnosic acid: Structural identification of two oxidation products Reviewed

Masuda T, Inaba Y, Takeda Y.

Journal of Agricultural and Food Chemistry   49 ( 11 )   5560 - 5565   2001

Phlomisflavosides A and B, new flavonol bisglycosides from Phlomis spinidens Reviewed

Takeda Y, Isai N, Masuda T, Honda G, Takaishi Y, Ito M, Otsuka H, Ashurmetov O.A, Khodzhimatov O.K.

Chemical and Pharmaceutical Bulletin   49 ( 8 )   1039 - 1041   2001

A new phenylpropanoid-glycerol conjugate from Helitiera littoralis Dryand. Reviewed

Takeda Y, Miyazaki K, Shimizu H, Masuda T, Hirata E, Takushi A, Shinzato T, Otsuka H.

Natural Medicines   54 ( 1 )   22 - 25   2000

New megastigmane and tetraketide from the leaves of Euscaphis japonica Reviewed

Takeda Y, Okada Y, Masuda T, Hirata E, Shinzato T, Takushi A, Yu Q, Otsuka H.

Chemical and Pharmaceutical Bulletin   48 ( 5 )   752 - 754   2000

Labdane diterpenoids from Marrubium globosum ssp. globosum Reviewed

Takeda Y, Yanagihara K, Masuda T, Otsuka H, Honda G, Takaishi Y, Sezik E, Yesilada E.

Chemical and Pharmaceutical Bulletin   48 ( 8 )   1234 - 1235   2000

Isolation and structure determination of new antioxidative ferulic acid glucoside esters from the rhizome of Alpinia speciosa, a Zingiberaceae plant used in Okinawan food culture Reviewed

Masuda T, Mizuguchi S, Tanaka T, Iritani K, Takeda Y, Yonemori S.

Journal of Agricultural and Food Chemistry   48 ( 5 )   1479 - 1484   2000

A novel radical terminated compound produced in the antioxidation process of curcumin against oxidation of a fatty acid ester Reviewed

Masuda T, Bando H, Maekawa T, Takeda Y, Yamaguchi H.

Tetrahedron Letters   41 ( 13 )   2157 - 2160   2000

Phlorigidosides A-C, iridoid glucosides from Phlomis rigida Reviewed

Takeda Y, Matsumura H, Masuda T, Honda G, Otsuka H, Takaishi Y, Sezik E, Yesilada E.

Phytochemistry   53 ( 8 )   931 - 935   2000

Chemical studies on antioxidant mechanism of curcuminoid: Analysis of radical reaction products from curcumin Reviewed

Masuda T, Hidaka K, Shinohara A, Maekawa T, Takeda Y, Yamaguchi H.

Journal of Agricultural and Food Chemistry   47 ( 1 )   71 - 77   1999

Nepetaracemosides A and B, iridoid glucosides from Nepeta racemosa Reviewed

Takeda Y, Kiba Y, Masuda T, Otsuka H, Honda G, Tagawa M, Sezik E, Yesilada E.

Chemical and Pharmaceutical Bulletin   47 ( 10 )   1433 - 1435   1999

Evaluation of the antioxidant activity of environmental plants: Activity of the leaf extracts from seashore plants Reviewed

Masuda T, Yonemori S, Oyama Y, Takeda Y, Tanaka T, Andoh T, Shinohara A, Nakata M.

Journal of Agricultural and Food Chemistry   47 ( 4 )   1749 - 1754   1999

Phenylbutenoids from the rhizomes of Alpinia flabellata Reviewed

Masuda T, Andoh T, Yonemori S, Takeda Y.

Phytochemistry   50 ( 1 )   163 - 166   1999

Secoiridoid glycosides from Gentiana olivieri Reviewed

Takeda Y, Masuda T, Honda G, Takaishi Y, Ito M, Ashurmetov O.A, Khodzhimatov O.K, Otsuka H.

Chemical and Pharmaceutical Bulletin   47 ( 9 )   1338 - 1340   1999

Phlomisethanoside, a phenylethanoid glycoside from Phlomis grandiflora var. grandiflora Reviewed

Takeda Y, Kinugawa M, Masuda T, Honda G, Otsuka H, Sezik E, Yesilada E.

Phytochemistry   51 ( 2 )   323 - 325   1999

An acyclic monoterpene glucosyl ester from Lantana lilacia Reviewed

Takeda Y, Takechi A, Masuda T, Otsuka H.

Planta Medica   64 ( 1 )   78 - 79   1998

Mutagenicity and DNA-damaging activity of decomposed products of food colours under UV irradiation Reviewed

Ozaki A, Kitano M, Itoh N, Kuroda K, Furusawa N, Masuda T, Yamaguchi H.

Food and Chemical Toxicology   36 ( 9-10 )   811 - 817   1998

Iridoid and eugenol glycosides from Nepeta cadmea Reviewed

Takeda Y, Ooiso Y, Masuda T, Honda G, Otsuka H, Sezik E, Yesilada E.

Phytochemistry   49 ( 3 )   787 - 791   1998

Glochidioboside, a glucoside of (7S,8R)-dihydrodehydrodiconiferyl alcohol from leaves of Glochidion obovatum Reviewed

Takeda Y, Mima C, Masuda T, Hirata E, Takushi A, Otsuka H.

Phytochemistry   49 ( 7 )   2137 - 2139   1998

Euscapholide and its glucoside from leaves of Euscaphis japonica Reviewed

Takeda Y, Okada Y, Masuda T, Hirata E, Takushi A, Otsuka H.

Phytochemistry   49 ( 8 )   2565 - 2568   1998

Nuclear magnetic resonance and biosynthetic studies of neoantimycin and structure elucidation of isoneoantimycin, a minor metabolite related to neoantimycin Reviewed

Takeda Y, Masuda T, Matsumoto T, Takechi Y, Shingu T, Floss H.G.

Journal of Natural Products   61 ( 8 )   978 - 981   1998

Food Intake and Diet Considerations among Victims Living in Evacuation Centers after the Great Hanshin-Awaji Earthquake Reviewed

Hirai Kazuko, Okuda Toyoko, Masuda Toshiya, Yamaguchi Hidemasa, Tsuzukida Yasuharu, Takao Fumiko

日本食生活学会, Journal for the Integrated Study of Dietary Habits   9 ( 2 )   28 - 35   1998

Synthesis of (±)-cassumunins A and B, new curcuminoid antioxidants having protective activity of the living cell against oxidative damage Reviewed

Masuda T, Matsumura H, Oyama Y, Takeda Y, Jitoe A, Kida A, Hidaka K.

Journal of Natural Products   61 ( 5 )   609 - 613   1998

Protective actions of 5'-n-alkylated curcumins on living cells suffering from oxidative stress Reviewed

Oyama Y, Masuda T, Nakata M, Chikahisa L, Yamazaki Y, Miura K, Okagawa M.

European Journal of Pharmacology   360 ( 1 )   65 - 71   1998

Longirabdolides E, F and G, 6,7-seco-ent-kaurenoids from Rabdosia longituba Reviewed

Takeda Y, Futatsuishi Y, Matsumoto T, Masuda T, Terada H, Otsuka H.

Phytochemistry   45 ( 4 )   785 - 789   1997

New curcuminoids isolated from Zingiber cassumunar protect cells suffering from oxidative stress: A flow-cytometric study using rat thymocytes and H<inf>2</inf>O<inf>2</inf> Reviewed

Nagano T, Oyama Y, Kajita N, Chikahisa L, Nakata M, Okazaki E, Masuda T.

Japanese Journal of Pharmacology   75 ( 4 )   363 - 370   1997

Anti-inflammatory Antioxidants from Tropical Zingiberaceae Plants: Isolation and Synthesis of New Curcuminoids Reviewed

Masuda T.

ACS Symposium Series   660   219 - 233   1997

Megastigmane glucosides from Stachys byzantina Reviewed

Takeda Y, Zhang H, Masuda T, Honda G, Otsuka H, Sezik E, Yesilada E, Sun H.

Phytochemistry   44 ( 7 )   1335 - 1337   1997

Synthesis of (±)-cassumunin A, a potent antiinflammatory antioxidant from a medicinal ginger Reviewed

Masuda T, Jitoe A, Kida A, Takeda Y.

Natural Product Letters   10 ( 1 )   13 - 16   1997

An efficient synthesis of (±)-hasakol, a bioactive coumarin from citrus hassaku Reviewed

Masuda T, Kawai N.

Bioscience, Biotechnology and Biochemistry   60 ( 3 )   506 - 507   1996

Isolation and structure determination of cassumunarins A, B, and C: New anti-inflammatory antioxidants from a tropical ginger, Zingiber cassumunar Reviewed

Masuda T, Jitoe A, Mabry T.J.

Journal of the American Oil Chemists' Society   72 ( 9 )   1053 - 1057   1995

Phenylbutenoid monomers from the rhizomes of Zingiber cassumunar Reviewed

Masuda T, Jitoe A.

Phytochemistry   39 ( 2 )   459 - 461   1995

Antioxidative and Antiinflammatory Compounds from Tropical Gingers: Isolation, Structure Determination, and Activities of Cassumunins A, B, and C, New Complex Curcuminoids from Zingiber cassumunar Reviewed

Masuda T, Jitoe A.

Journal of Agricultural and Food Chemistry   42 ( 9 )   1850 - 1856   1994

Novel Antioxidants, Cassumunarin A, B, and C, from Zingiber cassumunar Reviewed

Jitoe A, Masuda T, Mabry T.J.

Tetrahedron Letters   35 ( 7 )   981 - 984   1994

Synthesis Of Hasakol, an Antispasmodic Coumarin from the Fruits of Citrus Hassaku Reviewed

Masuda T, Kawai N, Muroya Y, Nakatani N.

Natural Product Letters   4 ( 2 )   129 - 132   1994

STRUCTURES OF CASSUMUNIN A, B, AND C, NEW POTENT ANTIOXIDANTS FROM ZINGIBER-CASSUMUNAR Reviewed

T MASUDA, A JITOE, N NAKATANI

CHEMISTRY LETTERS   ( 1 )   189 - 192   1993.01（ ISSN:0366-7022 ）

Anti-oxidative and anti-inflammatory curcumin-related phenolics from rhizomes of Curcuma domestica Reviewed

Masuda T, Jitoe A, Isobe J, Nakatani N, Yonemori S.

Phytochemistry   32 ( 6 )   1557 - 1560   1993

Phenylbutenoid dimers from the rhizomes of Zingiber cassumunar Reviewed

Jitoe A, Masuda T, Nakatani N.

Phytochemistry   32 ( 2 )   357 - 363   1993

7-Hydroxycoumarin derivatives from the juice oil of Citrus hassaku Reviewed

Masuda T, Muroya Y, Nakatani N.

Phytochemistry   31 ( 4 )   1363 - 1366   1992

Coumarin Constituents of the Juice Oil from Citrus hassaku and Their Spasmolytic Activity Reviewed

Muroya Y, Nakatani N, Masuda T.

Bioscience, Biotechnology and Biochemistry   56 ( 8 )   1257 - 1260   1992

Antioxidative curcuminoids from rhizomes of Curcuma xanthorrhiza Reviewed

Masuda T, Isobe J, Jitoe A, Nakatani N.

Phytochemistry   31 ( 10 )   3645 - 3647   1992

Antioxidant Activity of Tropical Ginger Extracts and Analysis of the Contained Curcuminoids Reviewed

Jitoe A, Masuda T, Nakatani N, Tengah I.G.P, Suprapta D.N, Gara I.W.

Journal of Agricultural and Food Chemistry   40 ( 8 )   1337 - 1340   1992

Orthosiphol A and B, novel diterpenoid inhibitors of TPA (12-O-tetradecanoylphorbol-13-acetate)-induced inflammation, from Orthosiphon stamineus Reviewed

Masuda T, Masuda K, Shiragami S, Jitoe A, Nakatani N.

Tetrahedron   48 ( 33 )   6787 - 6792   1992

Orthosiphol A, a highly oxygenated diterpene from the leaves of orthosiphon stamineus Reviewed

Masuda T, Masuda K, Nakatani N.

Tetrahedron Letters   33 ( 7 )   945 - 946   1992

STRUCTURE OF AERUGIDIOL, A NEW BRIDGE-HEAD OXYGENATED GUAIANE SESQUITERPENE Reviewed

T MASUDA, A JITOE, N NAKATANI

CHEMISTRY LETTERS   ( 9 )   1625 - 1628   1991.09（ ISSN:0366-7022 ）

Acetylated flavonol glycosides from Zingiber zerumbet Reviewed

Masuda T, Jitoe A, Kato S, Nakatani N.

Phytochemistry   30 ( 7 )   2391 - 2392   1991

Flavonoid Constituents of Zingiber zerumbet Smith^† Reviewed

Nakatani N, Jitoe A, Masuda T, Yonemori S.

Agricultural and Biological Chemistry   55 ( 2 )   455 - 460   1991

Antimicrobial phenylpropanoids from Piper sarmentosum Reviewed

Masuda T, Inazumi A, Yamada Y, Padolina W.G, Kikuzaki H, Nakatani N.

Phytochemistry   30 ( 10 )   3227 - 3228   1991

Synthesis and absolute structure of (–)-capsaicinol Reviewed

Masuda T, Nakatani N.

Agricultural and Biological Chemistry   55 ( 9 )   2337 - 2340   1991

Efficinet Syntheses and Chemistry of Indolactam-V and Its Analogs Reviewed

Masuda T, Nakatsuka S.-I, Goto T.

Agricultural and Biological Chemistry   53 ( 8 )   2257 - 2260   1989

Synthetic studies on teleocidin III. Regioselective introduction of nitro group at 4-position of substituted indole derivatives Reviewed

Masuda T, Ueda K, Asano O, Nakatsuka S.-i, Goto T.

Heterocycles   26 ( 6 )   1475 - 1478   1987

Total syntheses of (±)-teleocidin B-3 and B-4 Reviewed

Nakatsuka S.-i, Masuda T, Goto T.

Tetrahedron Letters   28 ( 32 )   3671 - 3674   1987

Synthetic studies on teleocidin I. Regioselective introduction of 4-amino and 7-acyl groups on indole derivative Reviewed

Nakatsuka S.-i, Masuda T, Asano O, Teramae T, Goto T.

Tetrahedron Letters   27 ( 36 )   4327 - 4330   1986

Synthetic studies on teleocidin IV. An efficient synthesis of (-)-indolactam V Reviewed

Nakatsuka S.-i, Masuda T, Sakai K, Goto T.

Tetrahedron Letters   27 ( 47 )   5735 - 5738   1986

Synthetic studies on teleocidin II. Synthesis of indole derivatives containing the same substituent to teleocidin bat 6- and 7-positions of indole nucleus. Reviewed

Nakatsuka S.-i, Masuda T, Goto T.

Tetrahedron Letters   27 ( 51 )   6245 - 6248   1986

ポリフェノール、化学反応を基盤とする機能性物質　抗酸化反応から成分間反応まで Reviewed

本田 沙理, 増田 俊哉

(公社)日本農芸化学会　化学と生物   53 ( 7 )   442 - 448   2015.06（ ISSN:0453-073X ）

Polyphenols: Functional Chemicals Based on Their Chemical Reactions, from Antioxidation to Inter-Substance Reactions Reviewed

HONDA Sari, MASUDA Toshiya

Japan Society for Bioscience, Biotechnology, and Agrochemistry, KAGAKU TO SEIBUTSU   53 ( 7 )   442 - 448   2015（ ISSN:0453-073X ）

Oxidative Conversion of Polyphenols : Structures and Function of the Oxidation Products Reviewed

増田 晃子, 増田 俊哉

FFIジャーナル編集委員会, Foods & food ingredients journal of Japan : FFIジャーナル   218 ( 3 )   258 - 265   2013（ ISSN:0919-9772 ）

酸化されるポリフェノール,その安全性と機能 Reviewed

藤本 彩, 増田 俊哉

食品資材研究会　ニューフードインダストリー   53 ( 6 )   21 - 28   2011.06（ ISSN:05470277 ）

ナンテンの葉から抽出されたチロシナーゼ活性阻害剤 Reviewed

増田 俊哉

食品資材研究会　ニューフードインダストリー   49 ( 4 )   9 - 15   2007.04（ ISSN:05470277 ）

Investigation of functional constituents of plant resources in Okinawa Reviewed

増田 俊哉

FFIジャーナル編集委員会, Foods & food ingredients journal of Japan   212 ( 8 )   654 - 665   2007（ ISSN:09199772 ）

セージ、ローズマリーに含まれる強力なジテルペノイド抗酸化性物質の抗酸化機構

増田 俊哉

FFIジャーナル編集委員会　食品・食品添加物研究誌   209 ( 10 )   858 - 865   2004（ ISSN:09199772 ）

熱帯産食薬用ショウガ科植物のクルクミン系物質とその抗酸化機構

増田 俊哉

食品資材研究会　ニュ-フ-ドインダストリ-   44 ( 12 )   1 - 8   2002.12（ ISSN:05470277 ）

Newly identified curcuminoids and their antioxidant-related activity

MASUDA Toshiya

バイオサイエンスとインダストリー = Bioscience & industry   57 ( 7 )   34 - 35   1999.07（ ISSN:09148981 ）

天然抗酸化性化合物の合成研究

増田 俊哉

公益社団法人 日本農芸化学会　日本農芸化学会誌   65 ( 7 )   1129 - 1131   1991（ ISSN:0002-1407 ）