| 摘要 |
PROBLEM TO BE SOLVED: To obtain an antioxidant having high anti-oxidizing power, controlling active oxygen and lipid peroxide formed in vivo, having excellent safety by making the antioxidant include an extract of Ultica chamaedryoides. SOLUTION: This antioxidant contains preferably 0.001-20.0, calculated as dried substance based on the total of an extract, of Ultica chamaedryoides (a plant of the genus Urtica of the family Urticaceae native to Mexico), preferably an extract from either of seed or stem of Ultica chamaedryoides or a mixture of both of the seed and the stem. Preferably, the amount of an extracting solvent such as water and a water-soluble solvent (e.g. ethanol) used is 100 pts.wt. based on 5-50 pts.wt. of dried plant or green plant calculated as dried plant.
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