Effect of Heating and Irradiation on Total Phenolics (TP) Content in Selected Whole and Dehulled Millet Grains
Journal Title: International Journal of Agricultural Science and Research (IJASR) - Year 2017, Vol 7, Issue 5
Abstract
The present investigation was conducted, to find out the effects of heat or irradiation, combined with heat on total Phenolic content (TPC). Sorghum, pearl millet, foxtail millet was used in the study. Whole (WC) and dehulled (DC) grains were treated either with heat (170°C) or irradiation at 1.0kGy / 2.5kGy, and stored for 90 days. There was a significant (p<0.05) effect of treatments, storage and grain, and their interactions on the nutritional quality parameters with a result in a decrease in TPC. The mean TPC was 188.5 (Pyrocatechol equivalent) percent, respectively. The Phenolic content of DC and WC grains was 203.56 and 225.36, respectively. Heat treatment alone resulted in 4.3 and 7.9 percent reduction and irradiation combination treatment, resulted in 20.3 and 22 reductions in the TPC of WC and DC. Among the three millets, irrespective of whole and dehulled, highest reduction was in sorghum, followed by foxtail millet and pearl millet. Significantly, higher (p<0.05) reduction was found in foxtail millet (38.14%), followed by sorghum (34.26%) and pearl millet (12.89%) grain. During storage maximum loss reduction was in sorghum, followed by foxtail millet and pearl millet
Authors and Affiliations
Sujatha. M, Hymavathi. T. V
Keywords
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