title: Increased anti-oxidative potency of garlic by spontaneous short-term fermentation.
abstract: Fundamental anti-oxidative properties of 80% ethanol extract from garlic fermented for the relatively short period of time (40 days at 60-70 degrees C, 85-95% relative humidity) were examined. Superoxide dismutase (SOD)-like activity, scavenging activity against hydrogen peroxide and the polyphenol content of the garlic extract were increased 13-folds, more than 10-folds, and 7-folds, respectively, as compared with those of the control garlic extract. The results indicate that relatively short-term spontaneous fermentation potentiates anti-oxidative properties of garlic in fresh form, which is, at least in part, attributable to the increased level of polyphenols. Since superoxide is the primary upstream radical of the chain reaction with reactive oxygen species and hydrogen peroxide is generated from the scavenging reaction by SOD, the fermented- garlic is suggested to possess desirable anti-oxidative properties.
authors.affiliation: New Industry Creation Hatchery Center, Tohoku University, 6-6-10 Aoba, Aramaki, Aoba-ku, Sendai, 980-8579, Japan.
authors.forename: Emiko
authors.initials: E
authors.lastname: Sato
authors.forename: Masahiro
authors.initials: M
authors.lastname: Kohno
authors.forename: Hamasuke
authors.initials: H
authors.lastname: Hamano
authors.forename: Yoshimi
authors.initials: Y
authors.lastname: Niwano
mesh_terms: D000975:Antioxidants / Q000494:pharmacology*; D004578:Electron Spin Resonance Spectroscopy; D005285:Fermentation; D005737:Garlic; D010936:Plant Extracts / Q000494:pharmacology*; D013482:Superoxide Dismutase / Q000378:metabolism
chemical_list: D000975:Antioxidants; D010936:Plant Extracts; D013482:Superoxide Dismutase