Abstract
Kheer, a traditional milk product of South East Asia, containing cooked rice grains in a creamy sweetened concentrated milk, has no large-scale production due to its poor shelf life. Shelf-life was improved by development of a process based on in-pouch thermal processing employing a rotary retort. Product development included optimization of rice-to-milk solids ratio (0.18-0.52) and total milk solids levels (16-26%) to simulate the conventional product in taste, appearance and textural attributes. Various Fo values (12.4-14.8) were examined with regard to product quality. While the TBA value tended to increase (0.073-0.081) the reflectance value (35.3-43.4) declined with increasing Fo. The pH of the product (6.04-6.10) showed a slight tendency to increase with Fo. Sensorily, the product was found to be acceptable for a period of 150days at 37°C.
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