Production of Dahi Powder Using Vacuum Tray Drier.
Journal Title: IJAR-Indian Journal of Applied Research - Year 2015, Vol 5, Issue 11
Abstract
Dahi powder is prepared by dehydrating Dahi. Freeze drying is the most accepted and studied method for dehydrating Dahi. Present study was undertaken to prepare Dahi powder by using vacuum Tray drier. Dahi (Total solids 10%, Acidity 0.25 % LA) prepared by traditional method was subjected to a vacuum of 580 mm Hg (Temperature inside the chamber was 4C̊0 ) for a period of 18 hours. The final product was analyzed for its physical, chemical, microbial and sensory characterestics. A good quality final product was obtained with a slight brownish colour (b, coefficient of redness = 32.76), moisture content of 6.7 %, good chemical properties (Acidity 0.3% LA, pH 3.74-), ac ceptable microbial count [Survival ratio (N/N0) 2.14×10-4] and average overall acceptability score (7.5/10).
Authors and Affiliations
DIVYA G N, Dr. P. SUDHEER BABU
Keywords
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