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Effect of aqueous ethanol washing on the physicochemical and functional properties of safflower (Carthamus tinctorius) seed proteins.

Tasneem, R. and Prakash, V. (1992) Effect of aqueous ethanol washing on the physicochemical and functional properties of safflower (Carthamus tinctorius) seed proteins. Journal of the Science of Food and Agriculture, 59 (2). 237-244, 39 ref..

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Abstract

Defatted safflower [Carthamus tinctorius L.] seed meal was deliganded by repeated extraction with 750 ml-1 ethanol. This reduced the colour/ligand concn. to <1% of the original concn. As a result, the protein concn. increased from 585 to 686 g kg-1 after deliganding. Proteins from the deliganded flour comprised 4 protein fractions, as observed from the gel filtration profile and sedimentation velocity pattern. However, the polyacrylamide gel electrophoretic pattern indicated 6 protein bands. Functional properties such as bulk density and water absorption capacity increased after deliganding. Fat absorption, emulsification and foaming properties showed a decreasing trend as a result of deliganding.

Item Type: Article
Uncontrolled Keywords: ALCOHOLS-; CLEANING-; ETHANOL-; OILSEEDS-; PROTEINS-; PROTEINS-VEGETABLE; SEEDS-; SAFFLOWER-SEEDS; WASHING-
Subjects: 600 Technology > 08 Food technology > 14 Physical properties
600 Technology > 08 Food technology > 16 Nutritive value > 03 Proteins
600 Technology > 08 Food technology > 19 Lipids-oils/fats > 01 Oilseeds
Divisions: Dept. of Biochemistry
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 27 May 2016 06:51
Last Modified: 27 May 2016 06:51
URI: http://ir.cftri.com/id/eprint/7972

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