Compression loading behaviour of sunflower seeds and kernels
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Department of Processing and Food Engineering, Punjab Agricultural University, Ludhiana-141004, Punjab, India
Food Grains and Oilseeds Processing Division, Central Institute of Post Harvest Engineering and Technology (CIPHET), Ludhiana-141004, Punjab, India
Agricultural Machinery Research Centre, Tamil Nadu Agricultural University, Coimbatore-641003, Tamil Nadu, India
Int. Agrophys. 2014, 28(4): 543-548
The present study was carried out to investigate the compression loading behaviour of five Indian sunflower varieties (NIRMAL-196, NIRMAL-303, CO-2, KBSH-41, and PSH-996) under four different moisture levels (6-18% d.b). The initial cracking force, mean rupture force, and rupture energy were measured as a function of moisture content. The observed results showed that the initial cracking force decreased linearly with an increase in moisture content for all varieties. The mean rupture force also decreased linearly with an increase in moisture content. However, the rupture energy was found to be increasing linearly for seed and kernel with moisture content. NIRMAL-196 and PSH-996 had maximum and minimum values of all the attributes studied for both seed and kernel, respectively. The values of all the studied attributes were higher for seed than kernel of all the varieties at all moisture levels. There was a significant effect of moisture and variety on compression loading behaviour.
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