Whitening cosmetics containing mulberrin

Details Whitening cosmetics containing mulberrin Whitening cosmetics containing mulberrin

1998-08-24

2000-06-06

Williamson, Michael A.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

424 62, 4241951, 514460, 514844, A61K 700, A61K 3135

Patent

active

060715251

ABSTRACT:
The present invention relates to cosmetic products having a whitening effect, which comprises mulberrin.
According to the present invention, an aqueous suspension of the Ramulus mori extract, which have been obtained by extracting young branches of plants belonged to Morus genus with water or an organic solvent, is fractionated by organic solvents, isolated and purified to give mulberrin, which is then added to conventional skin-care cosmetics to give whitening cosmetics having an excellent whitening effect.

REFERENCES:
Nomura et al., "On The Structures of Mulberrin, Mulberrochromene, Cyclomulberrine, and Cyclomulberrochromene", Heterocycles, vol. 12 (1979).
Chari et al, ".sup.13 C NMR Spectra of Chromeno-and Prenylated Flavones Structure Revisions of Mulberrin, Mulberrochromene, Cyclomulberrin and Cyclomulberrochromeme", Z. Naturforsch. 33b, 1547-1549 (1978).

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