Robert A. Jacob

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

About

Robert A. Jacob is a scholar working on Nutrition and Dietetics, Biochemistry and Rheumatology. According to data from OpenAlex, Robert A. Jacob has authored 54 papers receiving a total of 5.2k indexed citations (citations by other indexed papers that have themselves been cited), including 30 papers in Nutrition and Dietetics, 14 papers in Biochemistry and 11 papers in Rheumatology. Recurrent topics in Robert A. Jacob's work include Vitamin C and Antioxidants Research (20 papers), Antioxidant Activity and Oxidative Stress (14 papers) and Folate and B Vitamins Research (10 papers). Robert A. Jacob is often cited by papers focused on Vitamin C and Antioxidants Research (20 papers), Antioxidant Activity and Oxidative Stress (14 papers) and Folate and B Vitamins Research (10 papers). Robert A. Jacob collaborates with scholars based in United States, United Kingdom and Canada. Robert A. Jacob's co-authors include Ronald L. Prior, Gity Sotoudeh, Marian E. Swendseid, Liwei Gu, Xianli Wu, Boxin Ou, Dejian Huang, Mara Bacchiocca, Luke R. Howard and Cheryl L. Rock and has published in prestigious journals such as Gastroenterology, Analytical Chemistry and American Journal of Clinical Nutrition.

In The Last Decade

Robert A. Jacob

53 papers receiving 4.9k citations

Hit Papers

align trajectories sort by overperformance

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.

Assays for Hydrophilic and Lipophilic Antioxidant Capacity (oxygen radical absorbance capacity (ORAC_FL)) of Plasma and Other Biological and Food Samples

2003 1.3k citations Ronald L. Prior, Liwei Gu et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Robert A. Jacob	1.6k	1.4k	1.0k	878	671	54	5.2k
Clive E. West	1.9k 1.2×	3.0k 2.2×	1.2k 1.1×	717 0.8×	663 1.0×	121	6.9k
Adrianne Bendich	1.7k 1.0×	1.7k 1.3×	1.1k 1.1×	454 0.5×	320 0.5×	73	5.8k
Samir Samman	1.6k 0.9×	2.2k 1.6×	839 0.8×	387 0.4×	1.5k 2.2×	126	6.2k
Susan J. Duthie	1.9k 1.2×	1.3k 1.0×	3.4k 3.3×	1.6k 1.9×	1.1k 1.6×	114	9.6k
Sari Voutilainen	1.7k 1.0×	2.1k 1.5×	1.2k 1.1×	629 0.7×	341 0.5×	117	7.3k
Harry G. Preuss	860 0.5×	870 0.6×	1.7k 1.7×	259 0.3×	977 1.5×	231	7.4k
Gregory G. Dolnikowski	1.2k 0.7×	1.4k 1.0×	2.2k 2.2×	745 0.8×	392 0.6×	116	6.1k
Keizo Umegaki	846 0.5×	665 0.5×	1.0k 1.0×	408 0.5×	384 0.6×	225	5.0k
Susan Southon	1.3k 0.8×	840 0.6×	764 0.7×	271 0.3×	321 0.5×	66	2.9k
Manashi Bagchi	2.2k 1.4×	1.5k 1.1×	2.5k 2.5×	406 0.5×	1.8k 2.7×	198	10.4k

Countries citing papers authored by Robert A. Jacob

Since Specialization

Citations

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

Fields of papers citing papers by Robert A. Jacob

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert A. Jacob. 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 Robert A. Jacob. The network helps show where Robert A. Jacob may publish in the future.

Co-authorship network of co-authors of Robert A. Jacob

This figure shows the co-authorship network connecting the top 25 collaborators of Robert A. Jacob. A scholar is included among the top collaborators of Robert A. Jacob 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 Robert A. Jacob. Robert A. Jacob 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

Jacob, Robert A.. (2009). Passive Smoking Induces Oxidant Damage Preventable by Vitamin C. Nutrition Reviews. 58(8). 239–241. 6 indexed citations

Prior, Ronald L., Liwei Gu, Xianli Wu, et al.. (2007). Plasma Antioxidant Capacity Changes Following a Meal as a Measure of the Ability of a Food to AlterIn VivoAntioxidant Status. Journal of the American College of Nutrition. 26(2). 170–181. 176 indexed citations

Kelley, Darshan S., Reuven Rasooly, Robert A. Jacob, Adel A. Kader, & Bruce E. Mackey. (2006). Consumption of Bing Sweet Cherries Lowers Circulating Concentrations of Inflammation Markers in Healthy Men and Women ,. Journal of Nutrition. 136(4). 981–986. 131 indexed citations

Stephensen, Charles B., et al.. (2006). Vitamins C and E in adolescents and young adults with HIV infection. American Journal of Clinical Nutrition. 83(4). 870–879. 39 indexed citations

Turnlund, Judith R., Robert A. Jacob, Carl L. Keen, et al.. (2004). Long-term high copper intake: effects on indexes of copper status, antioxidant status, and immune function in young men. American Journal of Clinical Nutrition. 79(6). 1037–1044. 130 indexed citations

Jacob, Robert A., et al.. (2003). Consumption of Cherries Lowers Plasma Urate in Healthy Women. Journal of Nutrition. 133(6). 1826–1829. 158 indexed citations

Jacob, Robert A., Charles B. Stephensen, Jeffrey B. Blumberg, et al.. (2003). Moderate Antioxidant Supplementation Has No Effect on Biomarkers of Oxidant Damage in Healthy Men with Low Fruit and Vegetable Intakes. Journal of Nutrition. 133(3). 740–743. 70 indexed citations

Gregory, Jesse F., Marian E. Swendseid, & Robert A. Jacob. (2000). Urinary Excretion of Folate Catabolites Responds to Changes in Folate Intake More Slowly than Plasma Folate and Homocysteine Concentrations and Lymphocyte DNA Methylation in Postmenopausal Women. Journal of Nutrition. 130(12). 2949–2952. 14 indexed citations

Jacob, Robert A., Donald J. Jenden, Margaret Allman‐Farinelli, & Marian E. Swendseid. (1999). Folate Nutriture Alters Choline Status of Women and Men Fed Low Choline Diets. Journal of Nutrition. 129(3). 712–717. 72 indexed citations

10.

Jacob, Robert A., Peter C. Taylor, Igor P. Pogribny, et al.. (1998). Moderate Folate Depletion Increases Plasma Homocysteine and Decreases Lymphocyte DNA Methylation in Postmenopausal Women. Journal of Nutrition. 128(7). 1204–1212. 388 indexed citations

11.

Jacob, Robert A., et al.. (1996). Vitamin C Nutriture Has Little Short-Term Effect on Vitamin E Concentrations in Healthy Women. Journal of Nutrition. 126(9). 2268–2277. 21 indexed citations

12.

Rock, Cheryl L., Robert A. Jacob, & Phyllis E. Bowen. (1996). Update on the Biological Characteristics of the Antioxidant Micronutrients. Journal of the American Dietetic Association. 96(7). 693–702. 236 indexed citations

13.

Jacob, Robert A., et al.. (1994). Homocysteine Increases as Folate Decreases in Plasma of Healthy Men during Short-Term Dietary Folate and Methyl Group Restriction. Journal of Nutrition. 124(7). 1072–1080. 114 indexed citations

14.

Jacob, Robert A., et al.. (1992). Cellular Ascorbate Depletion in Healthy Men. Journal of Nutrition. 122(5). 1111–1118. 73 indexed citations

15.

Rock, Cheryl L., Marian E. Swendseid, Robert A. Jacob, & Ralph W. McKee. (1992). Plasma Carotenoid Levels in Human Subjects Fed a Low Carotenoid Diet ,. Journal of Nutrition. 122(1). 96–100. 129 indexed citations

16.

Jacob, Robert A.. (1990). Assessment of Human Vitamin C Status. Journal of Nutrition. 120. 1480–1485. 89 indexed citations

17.

Swendseid, Marian E., et al.. (1989). Biochemical Markers for Assessment of Niacin Status in Young Men: Levels of Erythrocyte Niacin Coenzymes and Plasma Tryptophan. Journal of Nutrition. 119(12). 1949–1955. 48 indexed citations

18.

Frisch, Rose E., George Hall, Thomas T. Aoki, et al.. (1984). Metabolic, endocrine, and reproductive changes of a woman channel swimmer. Metabolism. 33(12). 1106–1111. 16 indexed citations

19.

Casper, Regina C., Barbara S. Kirschner, & Robert A. Jacob. (1978). Zinc and copper status in anorexia nervosa. 8 indexed citations

20.

Sandstead, Harold H., Juan Manuel Muñoz, Robert A. Jacob, et al.. (1978). Influence of dietary fiber on trace element balance. American Journal of Clinical Nutrition. 31(10). S180–S184. 61 indexed citations

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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