Back to results
US 7,781,409 B2Granted
Composition for external use
AssigneeSuntory Holdings Limited
InventorsMitsuru Maeda, Masahiro Nakao, Harukazu Fukami
Life of this patent
Estimating the term…
Abstract
A composition for external use, comprising 2-O-(β-D-glucopyranosyl)ascorbic acid represented by the formula (I): or a salt or ester thereof which is safe to the human body, and a koji mold or a processed koji. The composition for external use is excellent in skin permeability, containing an ascorbic acid derivative which is excellent in stability, utilized persistently in the living body, and strong in antioxidant activity, and has little skin irritation.
Claims9
A composition for external use, comprising isolated 2-O-(β-D-glucopyranosyl)ascorbic acid represented by the formula (I):
- or a salt or ester thereof which is safe to the human body, and a koji mold or a processed koji.
Dependencies are inferred from the claim text.