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Effect of Untreated, Roasted and Germinated Black Gram (Phaseolυs mungo) Flours on the Physicochemical and Biscuit (Cookie) Making Characteristics of Soft Wheat Flour.

Patel, M. M. and Venkateswara Rao, G. (1995) Effect of Untreated, Roasted and Germinated Black Gram (Phaseolυs mungo) Flours on the Physicochemical and Biscuit (Cookie) Making Characteristics of Soft Wheat Flour. Journal of Cereal Science, 22. pp. 285-291. ISSN 0733–5210

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Abstract

Determination of the physico-chemical characteristics of composite soft wheat flours in which 5-25% (w/w) of the wheat flour was replaced with untreated, roasted and germinated black gram (Phaseolus mungo) flours (BGF) showed that when roasted BGF comprised 20% (w/w) of the blend, the increases in the ash and protein contents were 123% and 35%, respectively. The values for the gluten contents and the Zeleny and sodium dodecyl sulphate sedimentation test volumes for the composite flours indicated a weakening effect of BGF on the quality of soft wheat flour proteins, which could be beneficial for the preparation of biscuits (cookies). The alkaline water retention capacity values increased with the increasing addition of differently processed BGFs. Biscuit baking studies indicated that the diameter and spread ratio of biscuits were reduced, while the thickness increased, with increasing addition of all three BGFs, but the maximum reduction in diameter was observed with the addition of germinated BGF. The hardness value for biscuits increased with the addition of BGFs, but the effect was minimal with roasted BGF and maximal with germinated BGF. The surface grain score was reduced with increasing addition of BGF, but, in general, the roasted BGF showed the minimum adverse effect. From the overall biscuit making quality, addition of untreated BGF at the 15% level and of roasted and germinated BGFs at the 20% level were considered optimal for supplementing wheat flour

Item Type: Article
Uncontrolled Keywords: FRUITS-; FUNCTIONAL-PROPERTIES; PEANUTS-; PHYSICAL-PROPERTIES; PROTEINS-; PROTEINS-VEGETABLE; SEEDS-
Subjects: 600 Technology > 08 Food technology > 14 Physical properties
600 Technology > 08 Food technology > 22 Legumes-Pulses
600 Technology > 08 Food technology > 26 Bakery products
Divisions: Flour Milling Bakery and Confectionary Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 20 Apr 2012 11:01
Last Modified: 29 Dec 2016 11:10
URI: http://ir.cftri.com/id/eprint/7846

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