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Cooking Behavior of Rice And Black Gram in the Preparation of Idli: A Traditional Fermented Product of Indian Origin, by Viscography

Bong, Kyung Koh and Vasudeva, Singh (2009) Cooking Behavior of Rice And Black Gram in the Preparation of Idli: A Traditional Fermented Product of Indian Origin, by Viscography. Journal of Texture Studies , 40. 36-50.

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Abstract

Pasting profile of coarse rice, fine rice as well as black gram was carried out individually, in combination, in flour as well as in batter form, before and after fermentation by Brabender Viscoamylograph. Lowest gelatinization temperature was seen in black gram among the three commodities studied. Coarse rice registered a peak viscosity (PV) of 1,300 BU, fine rice 1,030 BU and black gram 1,080 BU. Cold paste viscosity (CPV) was highest in fine rice, lowest in black gram and intermediate in coarse rice. Breakdown (BD) was least in fine rice, highest in coarse rice and black gram lay in between. Values of total setback indicated the strong reason for use of coarse rice in parboiling as well as in idli and dosa preparations. Physical combination of black gram, with fine as well as coarse rice, reduced PV on an average to an extent of 26–30%. CPV was highest in fine rice and black gram combination compared with that of coarse rice and black gram. BD was high in the physical mix of coarse rice and black gram. In comparison with physical mix of fine rice and black gram, in the batter form before fermentation, the PV and CPV reduced by 23 and 34%, respectively, but there was no BD in this mix, indicating restricted swelling behavior in the batter before fermentation. Almost all viscographic parameters reduced before fermentation in coarse rice and black gram compared with their physical combination. Highest relative BD (BDr) was noticed in the pasting profile of black gram alone, probably because of the presence of mucilaginous principle. BDr values increased in batter form to various extents, before and after fermentation, compared with physical combination of rice and black gram. After fermentation, in coarse rice and black gram, the BDr value was low compared with that in fine rice and black gram.

Item Type: Article
Uncontrolled Keywords: Fermented products, idli, coarse rice, Batter, fermentation, mucilaginous principle, pasting profile parameters
Subjects: 600 Technology > 08 Food technology > 18 Processed foods > 02 Fermented foods
Divisions: Grain Science and Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 07 Jun 2011 07:03
Last Modified: 28 Dec 2011 10:23
URI: http://ir.cftri.com/id/eprint/10081

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