Sung I. Koo

6.8k total citations · 1 hit paper
108 papers, 5.2k citations indexed

About

Sung I. Koo is a scholar working on Biochemistry, Nutrition and Dietetics and Epidemiology. According to data from OpenAlex, Sung I. Koo has authored 108 papers receiving a total of 5.2k indexed citations (citations by other indexed papers that have themselves been cited), including 42 papers in Biochemistry, 27 papers in Nutrition and Dietetics and 22 papers in Epidemiology. Recurrent topics in Sung I. Koo's work include Antioxidant Activity and Oxidative Stress (34 papers), Nutritional Studies and Diet (18 papers) and Phytochemicals and Antioxidant Activities (15 papers). Sung I. Koo is often cited by papers focused on Antioxidant Activity and Oxidative Stress (34 papers), Nutritional Studies and Diet (18 papers) and Phytochemicals and Antioxidant Activities (15 papers). Sung I. Koo collaborates with scholars based in United States, South Korea and Germany. Sung I. Koo's co-authors include Ock K. Chun, Dae‐Ok Kim, Anna Floegel, Sang K. Noh, Sang‐Jin Chung, Young‐Ki Park, Ji‐Young Lee, Richard S. Bruno, Sang Gil Lee and María Luz Fernández and has published in prestigious journals such as SHILAP Revista de lepidopterología, Food Chemistry and The FASEB Journal.

In The Last Decade

Sung I. Koo

103 papers receiving 5.0k citations

Hit Papers

align trajectories

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.

Comparison of ABTS/DPPH assays to measure antioxidant capacity in popular antioxidant-rich US foods

2011 1.4k citations Anna Floegel, Dae‐Ok Kim et al. profile →

Peers

Countries citing papers authored by Sung I. Koo

Since Specialization

Citations

This map shows the geographic impact of Sung I. Koo'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 Sung I. Koo with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Sung I. Koo more than expected).

Fields of papers citing papers by Sung I. Koo

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sung I. Koo. 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 Sung I. Koo. The network helps show where Sung I. Koo may publish in the future.

Co-authorship network of co-authors of Sung I. Koo

This figure shows the co-authorship network connecting the top 25 collaborators of Sung I. Koo. A scholar is included among the top collaborators of Sung I. Koo 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 Sung I. Koo. Sung I. Koo is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Blackcurrant (Ribes nigrum) Prevents Obesity‐Induced Nonalcoholic Steatohepatitis in Mice 2018 ·Obesity ·Yoojin Lee, Tho X. Pham, Minkyung Bae, Siqi Hu, Edward O’Neill, Ock K. Chun, Myung Joo Han, Sung I. Koo, Young‐Ki Park, Ji‐Young Lee	26
2	Dietary Cadmium Intake and Sources in the US 2018 ·Nutrients ·Kijoon Kim, Melissa M. Melough, Terrence M. Vance, Hwayoung Noh, Sung I. Koo, Ock K. Chun	174
3	Validation of Analytical Methods for Plasma Total Antioxidant Capacity by Comparing with Urinary 8-Isoprostane Level 2017 ·Journal of Microbiology and Biotechnology ·Sang Gil Lee, Taoran Wang, Terrence M. Vance, (unknown), Dae‐Ok Kim, Sung I. Koo, Ock K. Chun	35
4	Histone deacetylase 9 plays a role in the antifibrogenic effect of astaxanthin in hepatic stellate cells 2016 ·The Journal of Nutritional Biochemistry ·Yue Yang, Minkyung Bae, Young‐Ki Park, Yoojin Lee, Tho X. Pham, Swetha Rudraiah, José E. Manautou, Sung I. Koo, Ji‐Young Lee	40
5	Anthocyanin-Rich Blackcurrant Extract Attenuates Ovariectomy-Induced Bone Loss in Mice 2016 ·Journal of Medicinal Food ·(unknown), Se Hwan Mun, Sang Kil Lee, Terrence M. Vance, (unknown), Sung I. Koo, Sun‐Kyeong Lee, Ock K. Chun	30
6	Astaxanthin prevents and reverses the activation of mouse primary hepatic stellate cells 2015 ·The Journal of Nutritional Biochemistry ·Yue Yang, Minkyung Bae, Bohkyung Kim, Young‐Ki Park, Sung I. Koo, Ji‐Young Lee	45
7	Astaxanthin prevents TGFβ1-induced pro-fibrogenic gene expression by inhibiting Smad3 activation in hepatic stellate cells 2014 ·Biochimica et Biophysica Acta (BBA) - General Subjects ·Yue Yang, Bohkyung Kim, Young‐Ki Park, Sung I. Koo, Ji‐Young Lee	85
8	Lithospermum erythrorhizon Extract Protects Keratinocytes and Fibroblasts Against Oxidative Stress 2014 ·Journal of Medicinal Food ·(unknown), (unknown), Wooki Kim, Jong Suk Lee, Gun Hee Kim, Ock K. Chun, Sung I. Koo, Dae‐Ok Kim	24
9	Impact of Orange Juice Consumption on Bone Health of the U.S. Population in the National Health and Nutrition Examination Survey 2003–2006 2014 ·Journal of Medicinal Food ·Sang Kil Lee, Meng Yang, Ying Wang, Terrence M. Vance, Beate Lloyd, Sang‐Jin Chung, Sung I. Koo, Ock K. Chun	10
10	Relationship Between Oxidative Stress and Bone Mass in Obesity and Effects of Berry Supplementation on Bone Remodeling in Obese Male Mice: An Exploratory Study 2014 ·Journal of Medicinal Food ·Sang Gil Lee, Bohkyung Kim, Do Y. Soung, Terrence M. Vance, Jong Suk Lee, Ji‐Young Lee, Sung I. Koo, Dae‐Ok Kim, Hicham Drissi, Ock K. Chun	14
11	Dietary Antioxidants and Prostate Cancer: A Review 2013 ·Nutrition and Cancer ·Terrence M. Vance, (unknown), Elizabeth T. H. Fontham, Sung I. Koo, Ock K. Chun	57
12	γ-Tocopherol abolishes postprandial increases in plasma methylglyoxal following an oral dose of glucose in healthy, college-aged men 2011 ·The Journal of Nutritional Biochemistry ·(unknown), Eunice Mah, Yi Guo, Sung I. Koo, Richard S. Bruno	22
13	Green tea extract attenuates hepatic steatosis by decreasing adipose lipogenesis and enhancing hepatic antioxidant defenses in ob/ob mice 2010 ·The Journal of Nutritional Biochemistry ·Hea Jin Park, (unknown), Min‐Yu Chung, Young‐Ki Park, Ji‐Young Lee, Sung I. Koo, (unknown), José E. Manautou, Richard S. Bruno	125
14	Estimation of Antioxidant Intakes from Diet and Supplements in U.S. Adults 2009 ·Journal of Nutrition ·Ock K. Chun, Anna Floegel, Sang-Jin Chung, Chin Eun Chung, Won O. Song, Sung I. Koo	117
15	Dietary Green Tea Extract Lowers Plasma and Hepatic Triglycerides and Decreases the Expression of Sterol Regulatory Element-Binding Protein-1c mRNA and Its Responsive Genes in Fructose-Fed, Ovariectomized Rats 2009 ·Journal of Nutrition ·Sudeep Shrestha, (unknown), Ji‐Young Lee, María Luz Fernández, Sung I. Koo	72
16	l-Carnitine increases liver α-tocopherol and lowers liver and plasma triglycerides in aging ovariectomized rats 2007 ·The Journal of Nutritional Biochemistry ·Richard M. Clark, Anju Balakrishnan, David D. Waters, Dimple Aggarwal, K Q Owen, Sung I. Koo	6
17	The Lowering of Plasma Lipids following a Weight Reduction Program Is Related to Increased Expression of the LDL Receptor and Lipoprotein Lipase 2005 ·Journal of Nutrition ·(unknown), Ingrid E. Lofgren, Hedley C. Freake, Sung I. Koo, María Luz Fernández	40
18	Egg Sphingomyelin Lowers the Lymphatic Absorption of Cholesterol and α-Tocopherol in Rats 2003 ·Journal of Nutrition ·Sang K. Noh, Sung I. Koo	75
19	Green Tea Extract Inhibits the Lymphatic Absorption of Cholesterol and α-Tocopherol in Ovariectomized Rats 2002 ·Journal of Nutrition ·(unknown), Sang K. Noh, Sung I. Koo	71
20	Marginal Zinc Deficiency Lowers the Lymphatic Absorption of α-Tocopherol in Rats , 1998 ·Journal of Nutrition ·(unknown), Sang K. Noh, Sung I. Koo	54

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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