Whitening cosmetics containing morus alba extracts
AssigneeTime and Cross, Inc.
InventorsJeong-Ha Kim, Mingfu Wang, James Simon, Abraham Kim
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Abstract
The present invention relates to cosmetic products, comprising extracts of Morus alba, which have a whitening effect. According to the present invention extracting powdered Morus alba twig with aqueous ethanol provides an extract comprising oxyresveratrol and mulberroside A. Extracts enriched in oxyresveratrol or mulberroside A, as well as purified oxyresveratrol and mulberrocide A may be also be obtained. The extracts or purfied compounds may be added to conventional skin care cosmetics to give whitening cosmetics.
Claims17
A tyrosinase inhibitor composition comprising an extract of Morus alba.
A tyrosinase inhibitor composition comprising oxyresveratrol.
A tyrosinase inhibitor composition comprising mulberroside A.
A method for the isolation of a tyrosinase inhibitor composition from Morus alba, the method comprising extraction of the Morus alba with approximately 30-100% ethanol:water to obtain the tyrosinase inhibitor composition.
Dependencies are inferred from the claim text.