World's Best Scientists 2026 revealed!
Toshihiko Osawa

Toshihiko Osawa

Award Badge
Biology and Biochemistry
Japan
2026
Award Badge
Chemistry
Japan
2026

D-Index & Metrics

Chemistry

D-Index
103
Citations
35199
World Ranking
1123
National Ranking
51

Biology and Biochemistry

D-Index
104
Citations
34934
World Ranking
1270
National Ranking
71

Toshihiko Osawa publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Toshihiko Osawa sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 430 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Toshihiko Osawa D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Toshihiko Osawa sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 103 D-Index — 94th percentile

94% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Biology and Biochemistry in Japan Leader Award
  • 2026 - Research.com Chemistry in Japan Leader Award
  • 2025 - Research.com Biology and Biochemistry in Japan Leader Award
  • 2025 - Research.com Chemistry in Japan Leader Award
  • 2023 - Research.com Biology and Biochemistry in Japan Leader Award
  • 2022 - Research.com Chemistry in Japan Leader Award

Overview

Toshihiko Osawa is affiliated with Nagoya University in Japan and has contributed extensively to research in biochemistry, genetics, molecular biology, and medicine. Their publication record encompasses a broad range of topics within these fields, particularly focusing on molecular biology, pathology and forensic medicine, biochemistry, nutrition and dietetics, and molecular medicine.

Their research involves several thematic areas, including:

  • Phytochemicals and antioxidant activities
  • Phytoestrogen effects and research
  • Curcumin's biomedical applications
  • Natural product bioactivities and synthesis
  • Fungal biology and applications
  • Tea polyphenols and effects
  • Melanin and skin pigmentation

Among their recent publications are:

  • Red Clover (Trifolium pratense L.) Sprout Prevents Metabolic Syndrome, 2020, Journal of Nutritional Science and Vitaminology
  • Effects of isoflavone-rich red clover extract on blood glucose level: A randomized, double-blind, placebo-controlled trial, 2021, Journal of Food Science
  • Correlation between human health and reactive oxygen species produced in blood: a long-term chemiluminescence and fluorescence analysis, 2021, Scientific Reports
  • Equol Inhibits Mushroom Tyrosinase in Vitro through Tight Binding, 2020, Biological and Pharmaceutical Bulletin
  • Oxidized Perilla and Linseed Oils Induce Neuronal Apoptosis by Caspase-Dependent and -Independent Pathways, 2020, Foods

Osawa collaborates frequently with several coauthors, including:

  • Shin-ichiro Yokoyama (6 joint publications)
  • Toshio Niwa (6 joint publications)
  • Mika Mochizuki (5 joint publications)
  • Akiko Hirai (3 joint publications)
  • Yuki Ueno (3 joint publications)

Their work is often published in specialized venues such as:

  • Biological and Pharmaceutical Bulletin (4 publications)
  • Journal of Nutritional Science and Vitaminology (3 publications)
  • Food Science and Technology Research (2 publications)
  • Journal of Food Science (1 publication)
  • Scientific Reports (1 publication)

Best Publications

  • Dietary cyanidin 3-O-beta-D-glucoside-rich purple corn color prevents obesity and ameliorates hyperglycemia in mice.

    Takanori Tsuda;Fumihiko Horio;Koji Uchida;Hiromitsu Aoki

  • Protein-bound acrolein: Potential markers for oxidative stress

    Koji Uchida;Masamichi Kanematsu;Kensuke Sakai;Tsukasa Matsuda

  • Quantitative immunohistochemical determination of 8-hydroxy-2'-deoxyguanosine by a monoclonal antibody N45.1: its application to ferric nitrilotriacetate-induced renal carcinogenesis model

    S. Toyokuni;T. Tanaka;Y. Hattori;Y. Nishiyama

  • Acrolein Is a Product of Lipid Peroxidation Reaction: FORMATION OF FREE ACROLEIN AND ITS CONJUGATE WITH LYSINE RESIDUES IN OXIDIZED LOW DENSITY LIPOPROTEINS *

    Koji Uchida;Masamichi Kanematsu;Yasujiro Morimitsu;Toshihiko Osawa

  • Activation of Stress Signaling Pathways by the End Product of Lipid Peroxidation: 4-HYDROXY-2-NONENAL IS A POTENTIAL INDUCER OF INTRACELLULAR PEROXIDE PRODUCTION *

    Koji Uchida;Mihoko Shiraishi;Yuko Naito;Yasuyoshi Torii

  • Hydroxyl Radical-scavenging Effects of Spices and Scavengers from Brown Mustard (Brassica nigra)

    Shin-Kyo Chung;Toshihiko Osawa;Shunro Kawakishi

  • 15-Deoxy-Δ12,14-prostaglandin J2: A PROSTAGLANDIN D2 METABOLITE GENERATED DURING INFLAMMATORY PROCESSES

    Takahiro Shibata;Mitsuhiro Kondo;Toshihiko Osawa;Noriyuki Shibata

  • Methylglyoxal Modification of Protein: CHEMICAL AND IMMUNOCHEMICAL CHARACTERIZATION OF METHYLGLYOXAL-ARGININE ADDUCTS *

    Tomoko Oya;Nobutaka Hattori;Yoshikuni Mizuno;Satoshi Miyata

  • Involvement of the β-diketone moiety in the antioxidative Mechanism of Tetrahydrocurcumin

    Yosunori Sugiyama;Shunro Kawakishi;Toshihiko Osawa

  • Inhibition of lipid peroxidation and the active oxygen radical scavenging effect of anthocyanin pigments isolated from Phaseolus vulgaris L.

    Takanori Tsuda;Kaoru Shiga;Katsumi Ohshima;Shunro Kawakishi

  • Absorption and metabolism of cyanidin 3-O-β-D-glucoside in rats

    Takanori Tsuda;Fumihiko Horio;Toshihiko Osawa

  • A Novel type of antioxidant isolated from leaf wax of eucalyptus leaves

    Toshihiko Osawa;Mitsuo Namiki

  • Antioxidative Activity of Tetrahydrocurcuminoids

    Toshihiko Osawa;Yasunori Sugiyama;Masanori Inayoshi;Shunro Kawakishi

  • The contribution of plant food antioxidants to human health

    Narasimhan Ramarathnam;Toshihiko Osawa;Hirotomo Ochi;Shunro Kawakishi

  • Biomarker evidence of DNA oxidation in lung cancer patients: association of urinary 8-hydroxy-2′-deoxyguanosine excretion with radiotherapy, chemotherapy, and response to treatment

    Marina Erhola;Shinya Toyokuni;Kunihiko Okada;Tomoyuki Tanaka

  • 4-Hydroxy-2-nonenal-mediated impairment of intracellular proteolysis during oxidative stress. Identification of proteasomes as target molecules.

    Kunihiko Okada;Chantima Wangpoengtrakul;Toshihiko Osawa;Shinya Toyokuni

  • Chemopreventive effects of carotenoids and curcumins on mouse colon carcinogenesis after 1,2-dimethylhydrazine initiation.

    Jin Man Kim;Shunichi Araki;Dae Joong Kim;Cheol Beom Park

  • Antioxidative activity of the anthocyanin pigments cyanidin 3-O-beta-D-glucoside and cyanidin

    Takanori Tsuda;Mie Watanabe;Katsumi Ohshima;Seiji Norinobu

  • Contribution of lignan analogues to antioxidative activity of refined unroasted sesame seed oil

    Y. Fukuda;M. Nagata;T. Osawa;M. Namiki

  • Curcumin and Especially Tetrahydrocurcumin Ameliorate Oxidative Stress-Induced Renal Injury in Mice

    Kunihiko Okada;Chantima Wangpoengtrakul;Tomoyuki Tanaka;Shinya Toyokuni

  • Protective Role of Antioxidative Food Factors in Oxidative Stress Caused by Hyperglycemia

    Toshihiko Osawa;Yoji Kato

Frequent Co-Authors

Shunro Kawakishi
Shunro Kawakishi Sugiyama Jogakuen University
Koji Uchida
Koji Uchida University of Tokyo
Yoji Kato
Yoji Kato University of Hyogo
Yoshimasa Nakamura
Yoshimasa Nakamura Okayama University
Shinya Toyokuni
Shinya Toyokuni Nagoya University
Hiroshi Hiai
Hiroshi Hiai Kyoto University
Hajime Ohigashi
Hajime Ohigashi Kyoto University
Toshikazu Yoshikawa
Toshikazu Yoshikawa Kyoto Prefectural University of Medicine
Junji Terao
Junji Terao University of Tokushima
Akira Murakami
Akira Murakami Kyoto University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring careers connected to Chemistry often leads to specialized fields such as forensic science and criminal justice. Students interested in applying chemical knowledge in practical and investigative contexts may consider pursuing a best online colleges for forensic science. These programs offer comprehensive training in analyzing physical evidence, bridging chemistry with law enforcement.

For those intrigued by the psychological aspects behind criminal behavior, an online forensic psychology masters provides advanced education that complements chemistry skills with mental health and legal system knowledge.

Understanding potential earnings is crucial when considering career options. According to current data, the average forensic scientist salary reflects the specialized expertise required, making it a promising field for chemistry graduates seeking applied science roles.

Additionally, those interested in broader legal and investigative roles often benefit from a solid foundation in criminal justice. Exploring how much is a criminal justice degree can help prospective students make informed decisions about investing in their education and career development.

Best Scientists Citing Toshihiko Osawa

Trending Scientists

Recently Published Articles