Composition for Stabilizing Ascorbic Acid Derivatives and the Application Thereof
AssigneeCorum Inc.
InventorsLin-Chao Chen, Yu-Ling Shiu, Chia-Pei Lee, Chao-Yang Lee
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Abstract
This invention discloses a composition for stabilizing ascorbic acid derivative and the application thereof. The mentioned composition comprises ascorbic acid derivative, buffer, phosphonic acid derivative and at least one alcohol. The yellowish and degradation of ascorbic acid derivative can be efficiently decreased by the mentioned composition. Moreover, the mentioned composition can be used in topical composition, such as toner, serum, lotion, cream.
Claims14
A clear composition for stabilizing ascorbic acid derivative comprising:
- an ascorbic acid derivative, wherein a general formula of the ascorbic acid derivative is as the following,
- wherein R is selected from one of the group consisting of the following:
- C1-C20 alkyl group, C3-C20 cycloalkyl group, C1-C20 heterocycloalkyl group, C1-C20 alkoxy group, C2-C20 acyl group, C6-C20 aryl group, C1-C20 heterocyclic aromatic group, C3-C20 cycloalkenyl group;
- a buffer, wherein the buffer is employed to adjust pH value of the composition between 3.5 and 5.5;
- and
- a stabilizing agent consisted of phosphonic acid derivative and alcohol, wherein said alcohol is selected from one or the combination of the group consisting of the following:
- ethanol, propylene glycol, 1,3-propanediol, dipropylene glycol, butylene glycol, ethoxydiglycol, and polypolyethylene glycol (PEG).
(canceled)
A clear composition for stabilizing ascorbic acid derivative comprising:
- an ascorbic acid derivative, wherein a general formula of the ascorbic acid derivative is as the following,
- wherein R is selected from one of the group consisting of the following:
- C1-C20 alkyl group, C3-C20 cycloalkyl group, C1-C20 heterocycloalkyl group, C1-C20 alkoxy group, C2-C20 acyl group, C6-C20 aryl group, C1-C20 heterocyclic aromatic group, C3-C20 cycloalkenyl group;
- a buffer, wherein the buffer is employed to adjust pH value of the composition between 3.5 and 5.5;
- and
- a stabilizing agent consisted of phosphonic acid derivative and alcohol.
Dependencies are inferred from the claim text.