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Ken Izumori

Ken Izumori

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 59 10303 9320 747 687 280 10718

Ken Izumori publications per year

The chart shows the history of publications by Ken Izumori between 1973 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ken Izumori published across 53 years, from 1973 to 2025, averaging 6 papers a year. Output peaked at 26 publications in 2007. 7 of the 316 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1973 to 2025. Vertical axis: number of publications, 0 to 26. Peak 26 publications in 2007. 1973: 2 publications 1974: 2 publications 1975: 2 publications 1976: 3 publications 1977: 0 publications 1978: 2 publications 1979: 2 publications 1980: 2 publications 1981: 0 publications 1982: 1 publication 1983: 0 publications 1984: 1 publication 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 2 publications 1989: 0 publications 1990: 1 publication 1991: 2 publications 1992: 1 publication 1993: 3 publications 1994: 10 publications 1995: 10 publications 1996: 4 publications 1997: 7 publications 1998: 3 publications 1999: 4 publications 2000: 5 publications 2001: 5 publications 2002: 6 publications 2003: 12 publications 2004: 12 publications 2005: 21 publications 2006: 20 publications 2007: 26 publications 2008: 23 publications 2009: 11 publications 2010: 23 publications 2011: 6 publications 2012: 6 publications 2013: 9 publications 2014: 14 publications 2015: 3 publications 2016: 13 publications 2017: 4 publications 2018: 3 publications 2019: 5 publications 2020: 4 publications 2021: 3 publications 2022: 6 publications 2023: 5 publications 2024: 3 publications 2025: 4 publications
1973 2025

316 publications in total across all disciplines

View publications per year as a table
Ken Izumori: publications per year, 1973 to 2025
Year Publications
1973 2
1974 2
1975 2
1976 3
1977 0
1978 2
1979 2
1980 2
1981 0
1982 1
1983 0
1984 1
1985 0
1986 0
1987 0
1988 2
1989 0
1990 1
1991 2
1992 1
1993 3
1994 10
1995 10
1996 4
1997 7
1998 3
1999 4
2000 5
2001 5
2002 6
2003 12
2004 12
2005 21
2006 20
2007 26
2008 23
2009 11
2010 23
2011 6
2012 6
2013 9
2014 14
2015 3
2016 13
2017 4
2018 3
2019 5
2020 4
2021 3
2022 6
2023 5
2024 3
2025 4
Total 316
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Ken Izumori 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 Ken Izumori sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 261–280 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 280 publications — 58th percentile

58% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979 280
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Ken Izumori 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 Ken Izumori sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 58–59 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 59 D-Index — 44th percentile

44% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930 59
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Ken Izumori is affiliated with Kagawa University in Japan and conducts research primarily in the field of medicine, with a significant focus on endocrinology, diabetes, and metabolism. Their scholarly contributions also extend into plant science, molecular biology, biochemistry, and nutrition and dietetics.

Their research topics broadly cover diet, metabolism, and disease, with additional work related to microbial metabolites in food biotechnology, GABA and rice research, cancer, hypoxia, and metabolism, amino acid enzymes and metabolism, plant nutrient uptake and metabolism, as well as liver disease diagnosis and treatment.

Ken Izumori has coauthored numerous papers with a range of collaborators, including Akihide Yoshihara, Kazuya Akimitsu, Susumu Mochizuki, Hiromi Yoshida, and S. Kamitori.

Some of the recent publications by Ken Izumori include:

  • The rare sugar d-tagatose protects plants from downy mildews and is a safe fungicidal agrochemical, 2020, Communications Biology
  • Allulose for the attenuation of postprandial blood glucose levels in healthy humans: A systematic review and meta-analysis, 2023, PLoS ONE
  • Antitumor Effects of Orally Administered Rare Sugar D-Allose in Bladder Cancer, 2022, International Journal of Molecular Sciences
  • Crystal structure of a novel homodimeric l-ribulose 3-epimerase from Methylomonus sp., 2021, FEBS Open Bio
  • Structural and biochemical characterizations of Thermus thermophilus HB8 transketolase producing a heptulose, 2022, Applied Microbiology and Biotechnology

The scientist's work has been published in a variety of academic venues, with multiple publications in Bioscience Biotechnology and Biochemistry, Applied Microbiology and Biotechnology, Food Science and Technology Research, and singular contributions in Communications Biology and PLoS ONE.

Best Publications

  • Izumoring: a novel and complete strategy for bioproduction of rare sugars.

    Tom Birger Granström;Goro Takata;Masaaki Tokuda;Ken Izumori

  • Izumoring: A strategy for bioproduction of all hexoses

    Ken Izumori

  • Nutritive value of popular wild edible mushrooms from northern Thailand

    R Sanmee;B Dell;P Lumyong;K Izumori

  • D-Psicose Is a Rare Sugar That Provides No Energy to Growing Rats

    Tatsuhiro Matsuo;Hiroo Suzuki;Mineo Hashiguchi;Ken Izumori

  • Bioproduction strategies for rare hexose sugars.

    Ken Izumori

  • Mass production of D-psicose from d-fructose by a continuous bioreactor system using immobilized D-tagatose 3-epimerase.

    K. E. I. Takeshita;Akihiro Suga;Goro Takada;Ken Izumori

  • A rare sugar xylitol. Part II: biotechnological production and future applications of xylitol

    Tom Birger Granström;Ken Izumori;Matti Leisola

  • Modification of ovalbumin with a rare ketohexose through the Maillard reaction: effect on protein structure and gel properties.

    Yuanxia Sun;Shigeru Hayakawa;Ken Izumori

  • Dietary D-psicose, a C-3 epimer of D-fructose, suppresses the activity of hepatic lipogenic enzymes in rats.

    Tatsuhiro Matsuo;Yoshitake Baba;Mineo Hashiguchi;Kei Takeshita

  • Purification and Characterization of D-Tagatose 3-Epimerase from Pseudomonas sp. ST-24

    Hiromichi Itoh;Hiroaki Okaya;Anisur Rahman Khan;Shigeyuki Tajima

  • A rare sugar xylitol. Part I: the biochemistry and biosynthesis of xylitol

    Tom Birger Granström;Ken Izumori;Matti Leisola

  • A novel inhibitory effect of d-allose on production of reactive oxygen species from neutrophils

    Akiko Murata;Keizo Sekiya;Yasuo Watanabe;Fuminori Yamaguchi

  • Preparation of d-psicose from d-fructose by immobilized d-tagatose 3-epimerase

    Hiromichi Itoh;Tomoko Sato;Ken Izumori

  • Failure of d-psicose absorbed in the small intestine to metabolize into energy and its low large intestinal fermentability in humans.

    Tetsuo Iida;Noriko Hayashi;Takako Yamada;Yuko Yoshikawa

  • Psicose Contents in Various Food Products and its Origin

    Hisaka Oshima;Isao Kimura;Ken Izumori

  • Chemical properties and antioxidative activity of glycated α-lactalbumin with a rare sugar, d-allose, by Maillard reaction

    Yuanxia Sun;Shigeru Hayakawa;Somwipa Puangmanee;Ken Izumori

  • Effects of dietary D-psicose on diurnal variation in plasma glucose and insulin concentrations of rats.

    Tatsuhiro Matsuo;Ken Izumori

  • Acute D-psicose administration decreases the glycemic responses to an oral maltodextrin tolerance test in normal adults.

    Tetsuo Iida;Yuka Kishimoto;Yuko Yoshikawa;Noriko Hayashi

  • Crystal structures of D-tagatose 3-epimerase from Pseudomonas cichorii and its complexes with D-tagatose and D-fructose

    Hiromi Yoshida;Mitsugu Yamada;Takeyori Nishitani;Goro Takada

  • Neuroprotective Effect of D -Psicose on 6-Hydroxydopamine-Induced Apoptosis in Rat Pheochromocytoma (PC12) Cells

    Maki K. Takata;Fuminori Yamaguchi;Koichi Nakanose;Yasuo Watanabe

Frequent Co-Authors

George W. J. Fleet
George W. J. Fleet University of Oxford
Kazuya Akimitsu
Kazuya Akimitsu Kagawa University
Mark R. Wormald
Mark R. Wormald University of Oxford
Amber L. Thompson
Amber L. Thompson University of Oxford
Atsushi Kato
Atsushi Kato University of Toyama
Yoko Nishizawa
Yoko Nishizawa National Agriculture and Food Research Organization
Raymond A. Dwek
Raymond A. Dwek University of Oxford
Robert J. Nash
Robert J. Nash Aberystwyth University
Matti Leisola
Matti Leisola Aalto University
Saisamorn Lumyong
Saisamorn Lumyong Chiang Mai University

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