• Publications
  • Influence
Ascorbate is an outstanding antioxidant in human blood plasma.
We have shown recently that the temporal order of antioxidant consumption in human blood plasma exposed to a constant flux of aqueous peroxyl radicals is ascorbate = protein thiols greater thanExpand
  • 1,717
  • 43
  • Open Access
Anthocyanins, phenolics, and antioxidant capacity in diverse small fruits: vaccinium, rubus, and ribes.
Fruits from 107 genotypes of Vaccinium L., Rubus L., and Ribes L., were analyzed for total anthocyanins (ACY), total phenolics (TPH), and antioxidant capacities as determined by oxygen radicalExpand
  • 842
  • 43
  • Open Access
Coffee and Health: A Review of Recent Human Research
  • J. Higdon, B. Frei
  • Medicine
  • Critical reviews in food science and nutrition
  • 1 March 2006
Coffee is a complex mixture of chemicals that provides significant amounts of chlorogenic acid and caffeine. Unfiltered coffee is a significant source of cafestol and kahweol, which are diterpenesExpand
  • 806
  • 36
  • Open Access
Tea Catechins and Polyphenols: Health Effects, Metabolism, and Antioxidant Functions
  • J. Higdon, B. Frei
  • Chemistry, Medicine
  • Critical reviews in food science and nutrition
  • 1 January 2003
Increasing interest in the health benefits of tea has led to the inclusion of tea extracts in dietary supplements and functional foods. However, epidemiologic evidence regarding the effects of teaExpand
  • 1,431
  • 29
  • Open Access
A new proposed guidance system for beverage consumption in the United States.
The Beverage Guidance Panel was assembled to provide guidance on the relative health and nutritional benefits and risks of various beverage categories. The beverage panel was initiated by the firstExpand
  • 402
  • 29
  • Open Access
Does vitamin C act as a pro‐oxidant under physiological conditions?
  • A. Carr, B. Frei
  • Medicine, Biology
  • FASEB journal : official publication of the…
  • 1 June 1999
Vitamin C readily scavenges reactive oxygen and nitrogen species and may thereby prevent oxidative damage to important biological macromolecules such as DNA, lipids, and proteins. Vitamin C alsoExpand
  • 755
  • 28
Antioxidants and atherosclerotic heart disease.
Epidemiologic studies have provided evidence of an inverse relation between coronary artery disease and antioxidant intake, and vitamin E supplementation in particular. The oxidative-modificationExpand
  • 1,370
  • 27
Toward a new recommended dietary allowance for vitamin C based on antioxidant and health effects in humans.
  • A. Carr, B. Frei
  • Medicine
  • The American journal of clinical nutrition
  • 1 June 1999
The current recommended dietary allowance (RDA) for vitamin C for adult nonsmoking men and women is 60 mg/d, which is based on a mean requirement of 46 mg/d to prevent the deficiency disease scurvy.Expand
  • 752
  • 25
  • Open Access
Consumption of flavonoid-rich foods and increased plasma antioxidant capacity in humans: cause, consequence, or epiphenomenon?
  • S. Lotito, B. Frei
  • Medicine, Chemistry
  • Free radical biology & medicine
  • 15 December 2006
Increased fruit and vegetable consumption is associated with a decreased incidence of cardiovascular diseases, cancer, and other chronic diseases. The beneficial health effects of fruits andExpand
  • 667
  • 21
Antioxidant defenses and lipid peroxidation in human blood plasma.
The temporal disappearance in human blood plasma of endogenous antioxidants in relation to the appearance of various classes of lipid hydroperoxides measured by HPLC postcolumn chemiluminescenceExpand
  • 1,153
  • 16
  • Open Access