National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
In this study, determination of minimum fluidisation velocity of rice, effects of temperature on drying rate and puffing quality of pre-conditioned rice were investigated. The experiments were conducted on two varieties of rice namely parboiled Polished rice namely medium and long. The drying behaviour in a fluidised bed was studied at three different temperatures of 50, 60 and 700C and the air velocity 3.6 m/s. Moisture reduced exponentially with time and dependent upon drying temperature. Minimum fluidisation velocity at 10 and 30% (wb) moisture content is 0.95 and 0.87 m/s respectively. Puffing characteristics like Expansion ratio and % puffing of low amylose content of rice was greater than more amylose content of rice. It was noticed that expansion of rice during puffing correlated strongly with amylose content.
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