发明名称 |
METHOD FOR PRODUCING INDIGO-PLANT LEAF EXTRACT |
摘要 |
An object of the present invention is to provide a tryptanthrin-containing indigo-plant leaf extract particularly suitable for application to the skin. The present invention provides a method for producing a tryptanthrin-containing indigo-plant leaf extract, the method comprising filtering a mixture of a concentrated ethanol extract of indigo-plant leaves and a polyhydric alcohol, and collecting the filtrate. The present invention further provides an indigo-plant leaf extract produced by this method. |
申请公布号 |
US2013331400(A1) |
申请公布日期 |
2013.12.12 |
申请号 |
US201214000748 |
申请日期 |
2012.03.14 |
申请人 |
KUSAKARI TAKASHI;YAMASHITA KENTARO;SUNSTAR INC., |
发明人 |
KUSAKARI TAKASHI;YAMASHITA KENTARO |
分类号 |
A61K31/519 |
主分类号 |
A61K31/519 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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