Title: Extraction process of linseed glue from linseed coat
Application Number: 03105093 Application Date: 2003.03.07
Publication Number: 1436826 Publication Date: 2003.08.20
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C09F5/02
Applicant(s) Name: Tsinghua Univ. Address: 100084
Inventor(s) Name:
Attorney & Agent: luo wenqun
Abstract:
     The present invention relates to chemical technology, and is the extraction process of linseed gum from linseed coat. The extraction process includes soaking linseed in water at 95-105 deg.c for 0.5-1.5 hr and adding hydrochloric acid to regulate pH to 4.5-5.5; filtering and soaking linseed in water at 95-98 deg.c for 0.5-1 hr; merging and concentrating filtrate; spray drying to obtain linseed gum or adding ethanol in 3-4 times to the concentrate for precipitation, decompression distillation and infrared drying to obtain linseed gum. The said process of the present invention has linseed gum extracting rate as high as 90-98%, and the extracted linseed glue is pure and non-toxic green food additive and may be used widely in health food, medicine and other fields.
Time: 7
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