# US 7,932,232 B2 · Cosmetic composition comprising beta-fructosyl-L-ascorbic acid for skin whitening

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- Number: US 7,932,232 B2
- Document ID: US7932232B2
- Status: Granted
- Kind: B2
- Application number: 11/816,740
- Filed: 2005-02-23
- Published: 2008-10-23
- Granted: 2011-04-26
- Earliest claimed: 2005-02-23
- Assignees: Bioland; Korea Research Institute of Bioscience and Biotechnology
- Inventors: Ki Ho Kim; Sang Ki Rhee; Chul Ho Kim; Kang ll Ko; Soo Nam Park; Sang Min Lee
- Web page: https://patentgrep.com/patent/US7932232B2

## CPC

- A61K 8/676: {Ascorbic acid, i.e. vitamin C}
- A61Q 1/02: Preparations containing skin colorants, e.g. pigments (preparations in powder form A61Q1/12)
- A61Q 19/00: Preparations for care of the skin
- A61Q 17/04: Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
- A61Q 19/02: for chemically bleaching or whitening the skin
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS

## Abstract

The present invention is related to novel cosmetic composition comprising beta-fructosyl-L-ascorbic acid derivatives produced by fructose conversion reaction using by ascorbic acidskin whitening cosmetic composition as an cream, skin, lotion, pack and the like.

## Claims

### Claim 1

A cosmetic composition comprising chemically stable novel β-fructosyl-L-ascorbic acid derivatives represented by general structural formula (I) produced by fructose conversion reaction from ascorbic acid:
Wherein n is integer of 0 to 10.

### Claim 2 (depends on 1)

The cosmetic composition of claim 1, wherein said derivative is 2-O-β-fructosyl-L-ascorbic acid.

### Claim 3 (depends on 1)

The cosmetic composition of claim 1, wherein said cosmetic composition comprises 0.001 to 40 w/w % of compound as set forth in claim 1.

### Claim 4 (depends on 1)

The cosmetic composition of claim 1, wherein said cosmetic composition is selected from the group consisting of astringent, nutrient lotion, nutrient cream, massage cream, essence, pack, foundation, cleansing water, soap, treatment and beauty solution.