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Non-starchy polysaccharides of pigeon pea and their influence on dehulling characteristics.

Ramakrishnaiah, N. and Kurien, P. P. (1985) Non-starchy polysaccharides of pigeon pea and their influence on dehulling characteristics. Journal of Food Science and Technology, 22 (6). 429-430, 7 ref..

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Abstract

Non-starchy polysaccharides (NSP) of 3 cv. each of pigeon pea (Cajanus cajan) of good and poor dehulling characteristics were studied for identifying components having a direct/indirect relation with the degree of dehulling. Water-soluble (WS-NSP) and water-insoluble (WIS-NSP) fractions of the NSP, as well as the cellulosic fraction of whole grain were isolated and analysed for pentoses, hexoses and uronic acid contents. Total NSP ranged between 18.72 and 19.84% and did not bear any relationship with their dehulling behaviour. The cellulosic content of the cv. ranged from 8.37 to 9.56%, which also did not affect the dehulling characteristics of the grains. The WS-NSP content ranged from 1.58 to 2.33%; cv. with superior dehulling contained lower amounts of WS-NSP. The pentoses and hexoses of WS-NSP did not influence dehulling characteristics, but the uronic acid content of this fraction influenced dehulling, poor dehulling grains containing higher amounts of uronic acid. Pentoses, hexoses and uronic acids of WIS-NSP did not show significant influence on the dehulling behaviour of the cv.

Item Type: Article
Uncontrolled Keywords: POLYSACCHARIDES-; pigeon peas, polysaccharides & hulling characteristics of; VARIETY-; pigeon peas, var. & hulling characteristics of; LEGUMES-; HUSKING-
Subjects: 500 Natural Sciences and Mathematics > 04 Chemistry and Allied Sciences > 28 Polysaccharide Chemistry
600 Technology > 08 Food technology > 22 Legumes-Pulses
Divisions: Grain Science and Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 23 Jun 2016 06:53
Last Modified: 23 Jun 2016 06:53
URI: http://ir.cftri.com/id/eprint/6574

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