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Title:
EXTRACT OF BIRD'S-NEST FERN
Document Type and Number:
Japanese Patent JP2015061867
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an extract of bird's-nest fern for producing a prostatic disease-improving drug or health food.SOLUTION: An extract of bird's-nest fern contains pyropheophorbide a methyl ester, pheophorbide a methyl ester, 1-linoleic acid-3-linolenic acid-glyceride, 1-linolenic acid-2,3-dipalmitic acid-glyceride and 1,3-dipalmitic acid-glyceride. This extract is produced by a method comprising a solvent extraction step and a column chromatography step. In the solvent extraction step, extraction treatment is conducted on a bird's-nest fern sample by using an extraction solvent. The weight-volume ratio of the sample and the extraction solvent is 50 to 60 mg/ml. In the column chromatography step, ethanol and water are used for mixing with a linear-gradient to give a fluid phase and chromatographic separation treatment of the extract is conducted.

Inventors:
HUANG KUN-XUAN
CHUANG ZHE REN
HSIAO PEI-WEN
TSAI JIA-WEI
Application Number:
JP2014244643A
Publication Date:
April 02, 2015
Filing Date:
December 03, 2014
Export Citation:
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Assignee:
JIN XIN BIOTECHNOLOGY CO LTD
ACADEMIA SINICA
International Classes:
A61K36/00; A61K31/23; A61K31/231; A61K31/232; A61K31/409; A61P13/08
Domestic Patent References:
JP2004123657A2004-04-22
JP2003113064A2003-04-18
Foreign References:
US20140142157A12014-05-22
Attorney, Agent or Firm:
下坂 スミ子
打越 佑介
関口 嗣畝子