| 摘要 |
PROBLEM TO BE SOLVED: To obtain a substance comprising sugarcane polyphenol and various kinds of products using the substance by extracting the safe sugarcane polyphenol having antioxidant actions, active oxygen scavenging actions and ultraviolet absorbing actions derived from naturally-occurring substances and purifying the resultant extract. SOLUTION: This substance comprising the sugarcane polyphenol is produced by extracting contained components from a sugarcane ear with water or an organic solvent and concentrating the resultant extracted liquid to dryness. An aqueous solution of the concentrated dried substance is purified by solvent fractionation or column fractionation. Thereby, the substance comprising the sugarcane polyphenol of higher purity is produced. The substance comprising the sugarcane polyphenol produced by the method is formulated as an active ingredient to provide a food, a cosmetic, a skin care preparation, etc. |
