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US 5,346,890 AGranted
Antioxidation active substance and utilization thereof
AssigneeYoshihide Hagiwara
InventorsYoshihide Hagiwara, Hideaki Hagiwara
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AssigneeYoshihide Hagiwara
InventorsYoshihide Hagiwara, Hideaki Hagiwara
Estimating the term…
An antioxidant substance which is a green leaf component in a green plant, comprising a component which is substantially insoluble in n-hexane but soluble in an aqueous ethanol solution having a water content of 0 to 80% by volume. The substance has an antioxidant activity as potent as or more potent than .alpha.-tocopherol, and is useful as an antioxidant for use in the field of foods, and medicines. Particularly, the antioxidant substance can be used for maintaining the freshness and quality of foods or storage thereof. The substance can be blended with cosmetics for skin and hair and are useful for the prevention of spots, freckles, chapping and sunburn.
A cosmetic composition which consists essentially of a cosmetic matrix and an effective antioxidant amount of 2'-O-glucosyl-isovitexin having the formula ##STR3## in an amount of 0.001 to 1% by weight of said composition.
A cosmetic skin lotion which comprises a cosmetic matrix consisting essentially of ethyl alcohol, methyl p-hydroxybenzoate, perfume, colorant and water, and an effective antioxidant amount of 2'-O-glucosyl-isovitexin.
A cosmetic skin cream which comprises a cosmetic matrix consisting essentially of stearic acid, isopropyl myristate, cetyl alcohol, liquid paraffin, glycerol monostrearate, polyoxyethylene stearate, methyl p-hydroxybenzoate, glycerol, propylene glycol and water, and an effective antioxidant amount of 2'-O-glucosyl-isovitexin.
A cosmetic hair treating composition comprising a cosmetic matrix consisting essentially of ethanol, propylene glycol, perfume and colorant, and an effective anti-oxidant amount of 2'-O-glucosyl-isovitexin.
A cosmetic skin lotion composition which consists essentially of:
A cosmetic skin cream composition which consists essentially of:
A cosmetic hair treating composition which consists essentially of
Dependencies are inferred from the claim text.