STABILIZATION METHOD OF PIGMENT OF LITHOSPERMI RADIX
- 申请公布号：
- KR890001698(B1)
- 申请号：
- KR19860009568
- 申请日期：
- 1986.11.12
- 申请公布日期：
- 1989.05.18
- 申请人：
- CHEIL SUGAR CO.,LTD.
- 发明人：
- CHO, NAM-JIN;KIM, HYON-SOO;JUNG, IN-HWAN
- 分类号：
- A61K31/05;(IPC1-7):A61K31/05;A61K7/04
- 主分类号：
- A61K31/05
- 摘要：
- A method for stabilizing a pigment from a root of Lithospermum erythrorhizon is presented. Thus, a compn. of 50 wt.% polyethylene glycol (PEG) 400, 25 wt.% PEG 4,000, 1 wt.% lauryl sodium sulfate, 4 wt.% above root ext., and trace amt. of 0.05M citrate buffer soln. (pH=6.0) showed an increment of stabilization of the pigment from Lithospermum erythrorhizon, useful as a raw material of cosmetics and medicines.
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