Moisture-Dependent Physical Properties of Finger Millet Grain and Kernel (Eleusine coracana (L.) Gaertn)
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Authors
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R. V. POWAR
College of Agricultural Engineering and Technology, Dr. Balasaheb Sawant Kokan Krishi Vidyapeeth, Dapoli, Ratnagiri - 415 712, India
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V. V. AWARE
College of Agricultural Engineering and Technology, Dr. Balasaheb Sawant Kokan Krishi Vidyapeeth, Dapoli, Ratnagiri - 415 712, India
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P. U. SHAHARE
College of Agricultural Engineering and Technology, Dr. Balasaheb Sawant Kokan Krishi Vidyapeeth, Dapoli, Ratnagiri - 415 712, India
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S. P. SONAWANE
College of Agricultural Engineering and Technology, Dr. Balasaheb Sawant Kokan Krishi Vidyapeeth, Dapoli, Ratnagiri - 415 712, India
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K. G. DHANDE
College of Agricultural Engineering and Technology, Dr. Balasaheb Sawant Kokan Krishi Vidyapeeth, Dapoli, Ratnagiri - 415 712, India
Keywords:
Grain, Kernel, Physical properties, Moisture contentAbstract
The physical properties of finger millet grain and kernel are necessary for design of processing equipments, handling and storage. The physical properties of finger millet grain and kernel were studied in the moisture range of 7 to 25% db. With the increase in moisture content, the geometric mean diameter, sphericity, volume, surface area and thousand grain weight, angle of repose, terminal velocity and static coefficient of friction for grain were increased from 1.41 to 1.58 mm, 0.91 to 0.95, 1.62 to 2.20 mm3, 6.31 to 7.88 mm2, 2.30 to 2.92 g, 21 to 30°, 4.1 to 5.9 m s-1 and 0.38 to 0.43 (steel), 0.38 to 0.42 (plywood), 0.36 to 0.40 (glass), respectively. The bulk density, true density and porosity decreased from 749 to 665 kg m-3, 1515 to 1000 kg m-3, 50.59 to 33.33%, respectively for the finger millet grain in the moisture range of 7 to 25% db. Similar trend was observed for finger millet kernel also.
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