Fumio Nanjo

3.2k total citations · 1 hit paper
33 papers, 2.7k citations indexed

About

Fumio Nanjo is a scholar working on Pathology and Forensic Medicine, Biochemistry and Applied Microbiology and Biotechnology. According to data from OpenAlex, Fumio Nanjo has authored 33 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 30 papers in Pathology and Forensic Medicine, 22 papers in Biochemistry and 9 papers in Applied Microbiology and Biotechnology. Recurrent topics in Fumio Nanjo's work include Tea Polyphenols and Effects (30 papers), Phytochemicals and Antioxidant Activities (22 papers) and Tannin, Tannase and Anticancer Activities (9 papers). Fumio Nanjo is often cited by papers focused on Tea Polyphenols and Effects (30 papers), Phytochemicals and Antioxidant Activities (22 papers) and Tannin, Tannase and Anticancer Activities (9 papers). Fumio Nanjo collaborates with scholars based in Japan, Netherlands and South Korea. Fumio Nanjo's co-authors include Yukihiko Hara, Akiko Takagaki, Keiichi Goto, Ryota Seto, Masayuki Suzuki, Miwa Sakai, Toshiyuki Kohri, Tsutomu Nakayama, Shigenori Kumazawa and Natsuki Matsumoto and has published in prestigious journals such as Journal of Agricultural and Food Chemistry, Free Radical Biology and Medicine and INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY.

In The Last Decade

Fumio Nanjo

33 papers receiving 2.6k citations

Hit Papers

Scavenging effects of tea catechins and their derivatives... 1996 2026 2006 2016 1996 200 400 600
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Scavenging effects of tea catechins and their derivatives on 1,1-diphenyl-2-picrylhydrazyl radical
    1996 694 citations Fumio Nanjo, Keiichi Goto et al. Free Radical Biology and Medicine profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Fumio Nanjo Japan 26 1.5k 1.3k 713 452 260 33 2.7k
Douglas A. Balentine United States 24 2.4k 1.6× 1.9k 1.5× 524 0.7× 493 1.1× 195 0.8× 34 3.8k
Xin‐Qiang Zheng China 37 1.6k 1.1× 914 0.7× 859 1.2× 861 1.9× 136 0.5× 93 3.3k
Zhonghua Liu China 35 1.9k 1.2× 766 0.6× 1.0k 1.4× 1.1k 2.3× 318 1.2× 145 3.5k
Tie-Jun Ling China 26 1.3k 0.9× 614 0.5× 634 0.9× 769 1.7× 161 0.6× 55 2.1k
Mitsuaki Sano Japan 26 1.2k 0.8× 918 0.7× 386 0.5× 286 0.6× 53 0.2× 59 2.1k
Guan‐Hu Bao China 29 1.2k 0.8× 692 0.5× 913 1.3× 619 1.4× 197 0.8× 94 2.5k
Ulrich H. Engelhardt Germany 31 1.4k 1.0× 1.1k 0.9× 510 0.7× 684 1.5× 100 0.4× 78 2.7k
Vanessa Crespy France 20 1.2k 0.8× 2.1k 1.7× 1.2k 1.7× 585 1.3× 49 0.2× 21 4.3k
Jianan Huang China 38 2.7k 1.8× 1.1k 0.9× 1.4k 2.0× 1.6k 3.5× 469 1.8× 167 4.6k
Mingzhi Zhu China 26 1.0k 0.7× 477 0.4× 804 1.1× 665 1.5× 193 0.7× 98 2.3k

Countries citing papers authored by Fumio Nanjo

Since Specialization
Citations

This map shows the geographic impact of Fumio Nanjo's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Fumio Nanjo with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Fumio Nanjo more than expected).

Fields of papers citing papers by Fumio Nanjo

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Fumio Nanjo. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Fumio Nanjo. The network helps show where Fumio Nanjo may publish in the future.

Co-authorship network of co-authors of Fumio Nanjo

This figure shows the co-authorship network connecting the top 25 collaborators of Fumio Nanjo. A scholar is included among the top collaborators of Fumio Nanjo based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Fumio Nanjo. Fumio Nanjo is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
2.
Yang, Xue, Motofumi Kumazoe, Shuya Yamashita, et al.. (2016). Green Tea Catechin Metabolites Exert Immunoregulatory Effects on CD4+ T Cell and Natural Killer Cell Activities. Journal of Agricultural and Food Chemistry. 64(18). 3591–3597. 72 indexed citations
3.
4.
Tanaka, Yuko, et al.. (2015). Pantoea theicola sp. nov., isolated from black tea. INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY. 65(Pt_10). 3313–3319. 16 indexed citations
5.
Takagaki, Akiko & Fumio Nanjo. (2015). Bioconversion of (−)-Epicatechin, (+)-Epicatechin, (−)-Catechin, and (+)-Catechin by (−)-Epigallocatechin-Metabolizing Bacteria. Biological and Pharmaceutical Bulletin. 38(5). 789–794. 58 indexed citations
6.
Takagaki, Akiko, Yuko Kato, & Fumio Nanjo. (2014). Isolation and characterization of rat intestinal bacteria involved in biotransformation of (−)-epigallocatechin. Archives of Microbiology. 196(10). 681–695. 52 indexed citations
7.
Takagaki, Akiko & Fumio Nanjo. (2013). Catabolism of (+)-Catechin and (−)-Epicatechin by Rat Intestinal Microbiota. Journal of Agricultural and Food Chemistry. 61(20). 4927–4935. 64 indexed citations
8.
Goto, Keiichi, et al.. (2009). Identification of a Major Polyphenol and Polyphenolic Composition in Leaves of Camellia irrawadiensis. Chemical and Pharmaceutical Bulletin. 57(11). 1284–1288. 26 indexed citations
9.
Takagaki, Akiko & Fumio Nanjo. (2009). Metabolism of (−)-Epigallocatechin Gallate by Rat Intestinal Flora. Journal of Agricultural and Food Chemistry. 58(2). 1313–1321. 127 indexed citations
10.
Igarashi, Kiharu, et al.. (2007). Effects of Dietary Catechins on Glucose Tolerance, Blood Pressure and Oxidative Status in Goto-Kakizaki Rats. Journal of Nutritional Science and Vitaminology. 53(6). 496–500. 62 indexed citations
11.
Kwok, Kian Woon, et al.. (2007). Belief : Singapore Biennale 2006. 1 indexed citations
12.
Kumazawa, Shigenori, Katsuko Kajiya, Akira Naito, et al.. (2004). Direct Evidence of Interaction of a Green Tea Polyphenol, Epigallocatechin Gallate, with Lipid Bilayers by Solid-state Nuclear Magnetic Resonance. Bioscience Biotechnology and Biochemistry. 68(8). 1743–1747. 62 indexed citations
13.
Kohri, Toshiyuki, Masayuki Suzuki, & Fumio Nanjo. (2003). Identification of Metabolites of (−)-Epicatechin Gallate and Their Metabolic Fate in the Rat. Journal of Agricultural and Food Chemistry. 51(18). 5561–5566. 72 indexed citations
14.
Suzuki, Masayuki, et al.. (2002). Deodorizing Effects of Tea Catechins on Amines and Ammonia. Bioscience Biotechnology and Biochemistry. 66(2). 373–377. 21 indexed citations
15.
Kohri, Toshiyuki, Fumio Nanjo, Masayuki Suzuki, et al.. (2001). Synthesis of (−)-[4-3H]Epigallocatechin Gallate and Its Metabolic Fate in Rats after Intravenous Administration. Journal of Agricultural and Food Chemistry. 49(2). 1042–1048. 85 indexed citations
16.
Takagaki, Akiko, et al.. (2000). Reactivity of green tea catechins with formaldehyde. Journal of Wood Science. 46(4). 334–338. 26 indexed citations
17.
Nanjo, Fumio, et al.. (1999). Radical Scavenging Activity of Tea Catechins and Their Related Compounds. Bioscience Biotechnology and Biochemistry. 63(9). 1621–1623. 204 indexed citations
18.
Suzuki, Masayuki, et al.. (1999). Methylation of Tea Catechins by Rat Liver Homogenates. Bioscience Biotechnology and Biochemistry. 63(2). 430–432. 50 indexed citations
19.
Hashimoto, Toshihiko, Shigenori Kumazawa, Fumio Nanjo, Yukihiko Hara, & Tsutomu Nakayama. (1999). Interaction of Tea Catechins with Lipid Bilayers Investigated with Liposome Systems. Bioscience Biotechnology and Biochemistry. 63(12). 2252–2255. 135 indexed citations
20.
Nanjo, Fumio, Keiichi Goto, Ryota Seto, et al.. (1996). Scavenging effects of tea catechins and their derivatives on 1,1-diphenyl-2-picrylhydrazyl radical. Free Radical Biology and Medicine. 21(6). 895–902. 694 indexed citations breakdown →

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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