METHOD FOR PREPARING POLYSACCHARIDE OF GREEN TEA AND COSMETIC COMPOSITON FOR SKIN WHITENING, MOISTURIZATION AND ANTI-WRINKLE EFFECTS COMPRISING THE POLYSACCHARIDE
Sun Sang KWON,Myeong Hun YEOM,Duck Hee KIM,Han Kon KIM,Nok Hyun PARK,Soo Mi AHN
申请号：
US14450349
公开号：
US20140341827A1
申请日:
2014.08.04
申请国别(地区):
US
年份:
2014
代理人:
摘要：
Disclosed is a method for preparing polysaccharides of green tea, and more particularly to a method for preparing polysaccharides of green tea comprising the steps of: a) removing chlorophyll and a low molecular weight polyphenol from green tea powder using a solvent； b) hot-water extracting a water-soluble active ingredient from the green tea residue of step a)； and c) separating the polysaccharides of green tea from the hot-water extract of step b) by ultrafiltration and ethanol precipitation. Also, the present invention relates to a cosmetic composition for skin whitening, moisturization and anti-wrinkle effects comprising the polysaccharides of green tea as an effective ingredient.
