title: Flavonoids: a re-run of the carotenoids story?
abstract: Flavonoids have powerful antioxidant activities in vitro, but the evidence that they act as antioxidants in vivo in humans is equivocal at best. However, they may be able to help protect the gastro-intestinal tract against reactive oxygen species.
authors.affiliation: Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, 8 Medical Drive, MD7 Level 2, Singapore 117597.
authors.forename: Barry
authors.initials: B
authors.lastname: Halliwell
mesh_terms: D000975:Antioxidants / Q000008:administration & dosage / Q000378:metabolism / Q000502:physiology; D019587:Dietary Supplements; D005419:Flavonoids / Q000008:administration & dosage* / Q000378:metabolism / Q000502:physiology*; D041981:Gastrointestinal Tract / Q000378:metabolism* / Q000382:microbiology; D006801:Humans; D007408:Intestinal Absorption; D009751:Nutritional Requirements; D010084:Oxidation-Reduction; D017382:Reactive Oxygen Species / Q000378:metabolism
chemical_list: D000975:Antioxidants; D005419:Flavonoids; D017382:Reactive Oxygen Species