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Biology and Biochemistry
UK
2026

D-Index & Metrics

Biology and Biochemistry

D-Index
115
Citations
47689
World Ranking
790
National Ranking
45

Alan Crozier publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Alan Crozier sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 417 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 196 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 59 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 366 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Alan Crozier D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Alan Crozier sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 71 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 115 D-Index — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Biology and Biochemistry in United Kingdom Leader Award

Overview

Alan Crozier is affiliated with the University of Glasgow in the United Kingdom. Their research has a strong focus on medicine, with 63 publications contributing to this field. Subfields within their work include biochemistry, pathology and forensic medicine, molecular biology, food science, and nutrition and dietetics.

Their studies frequently address topics such as phytochemicals and antioxidant activities, tea polyphenols and their effects, metabolomics and mass spectrometry studies, fermentation and sensory analysis, phytoestrogen effects and research, diet and metabolism studies, and biochemical analysis and sensing techniques.

Alan Crozier has contributed extensively to scientific literature, with recent publications including:

  • Recommendations for standardizing nomenclature for dietary (poly)phenol catabolites, 2020, American Journal of Clinical Nutrition
  • Revisiting the bioavailability of flavan-3-ols in humans: A systematic review and comprehensive data analysis, 2022, Molecular Aspects of Medicine
  • Bioavailability of red wine and grape seed proanthocyanidins in rats, 2020, Food & Function
  • Absorption, distribution, metabolism and excretion of apigenin and its glycosides in healthy male adults, 2022, Free Radical Biology and Medicine
  • In Vitro Faecal Fermentation of Monomeric and Oligomeric Flavan-3-ols: Catabolic Pathways and Stoichiometry, 2022, Molecular Nutrition & Food Research

Their work appears regularly in notable venues such as Food & Function, Free Radical Biology and Medicine, Molecular Nutrition & Food Research, International Journal of Food Sciences and Nutrition, and Molecular Aspects of Medicine.

Collaboration is a significant component of their research, with frequent co-authors including Gema Pereira-Caro, Daniele Del Rio, Pedro Mena, Chris I. R. Gill, and Letizia Bresciani.

Best Publications

  • Dietary (Poly)phenolics in Human Health: Structures, Bioavailability, and Evidence of Protective Effects Against Chronic Diseases

    Daniele Del Rio;Ana Rodriguez-Mateos;Jeremy P E Spencer;Massimiliano Tognolini

  • Dietary phenolics: chemistry, bioavailability and effects on health.

    Alan Crozier;Indu B. Jaganath;Michael N. Clifford

  • Plant foods and herbal sources of resveratrol.

    Jennifer Burns;Takao Yokota;Hiroshi Ashihara;Michael E J Lean

  • Quantitative Analysis of the Flavonoid Content of Commercial Tomatoes, Onions, Lettuce, and Celery

    Alan Crozier;Michael E. J. Lean;and Morag S. McDonald;Christine Black

  • Plant-derived phenolic antioxidants.

    Garry Duthie;Alan Crozier

  • How should we assess the effects of exposure to dietary polyphenols in vitro

    Paul A Kroon;Michael N Clifford;Alan Crozier;Andrea J Day

  • Plant Secondary Metabolites: Occurrence, Structure And Role In The Human Diet

    A Crozier;MN Clifford;H Ashihara

  • Relationship among Antioxidant Activity, Vasodilation Capacity, and Phenolic Content of Red Wines

    Jennifer Burns;Peter T. Gardner;Jennifer O'Neil;Sharon Crawford

  • Bioavailability, bioactivity and impact on health of dietary flavonoids and related compounds: an update

    Ana Rodriguez-Mateos;David Vauzour;Christian G Krueger;Dhanansayan Shanmuganayagam

  • Occurrence of flavonols in tomatoes and tomato-based products

    Amanda J. Stewart;Sophie Bozonnet;William Mullen;Gareth I. Jenkins

  • Total phenol, flavonoid, proanthocyanidin and vitamin C levels and antioxidant activities of Mauritian vegetables

    Theeshan Bahorun;Amitabye Luximon-Ramma;Alan Crozier;Okezie I Aruoma

  • Bioavailability of dietary flavonoids and phenolic compounds

    Alan Crozier;Daniele Del Rio;Michael N. Clifford

  • HPLC-MSn analysis of phenolic compounds and purine alkaloids in green and black tea.

    Daniele Del Rio;Amanda J. Stewart;William Mullen;Jennifer Burns

  • Plasma antioxidants from chocolate

    Serafini M;Bugianesi R;Maiani G;Valtuena S

  • Coffee: biochemistry and potential impact on health

    Iziar A. Ludwig;Michael N. Clifford;Michael E. J. Lean;Hiroshi Ashihara

  • The Bioavailability, Transport, and Bioactivity of Dietary Flavonoids: A Review from a Historical Perspective.

    Gary Williamson;Colin D. Kay;Alan Crozier

  • Caffeine and related purine alkaloids: biosynthesis, catabolism, function and genetic engineering.

    Hiroshi Ashihara;Hiroshi Sano;Alan Crozier

  • Identification of flavonoid and phenolic antioxidants in black currants, blueberries, raspberries, red currants, and cranberries.

    Gina Borges;Alexandra Degeneve;William Mullen;Alan Crozier

  • Metabolite Profiling of Hydroxycinnamate Derivatives in Plasma and Urine after the Ingestion of Coffee by Humans: Identification of Biomarkers of Coffee Consumption

    Angélique Stalmach;William Mullen;Denis Barron;Kenichi Uchida

  • Ellagitannins, flavonoids, and other phenolics in red raspberries and their contribution to antioxidant capacity and vasorelaxation properties.

    William Mullen;Jennifer Mcginn;Michael E. J. Lean;Margaret R. Maclean

Frequent Co-Authors

William Mullen
William Mullen University of Glasgow
Michael E. J. Lean
Michael E. J. Lean University of Glasgow
Daniele Del Rio
Daniele Del Rio University of Parma
Michael N. Clifford
Michael N. Clifford University of Nottingham
Göran Sandberg
Göran Sandberg Umeå University
Gary Williamson
Gary Williamson Monash University
Takao Yokota
Takao Yokota Teikyo University
Furio Brighenti
Furio Brighenti University of Parma
Derek Stewart
Derek Stewart James Hutton Institute
Pedro Mena
Pedro Mena University of Parma

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Related Online Degrees & Career Pathways

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