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KMID : 1134820100390111684
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Journal of the Korean Society of Food Science and Nutrition
2010 Volume.39 No. 11 p.1684 ~ p.1690
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Comparison of Rice Properties Between Rice Grown Under Conventional Farming and One Grown Under Eco-Friendly Farming Using Hairy Vetch
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Lee Seung-Hyun
Kim Min-Young
Kim Han-Yong
Ko Sang-Hoon
Shin Mal-Shick
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Abstract
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The properties of non-waxy rice, Dongjin 1, cultivated with conventional farming (CF) and environmentally-harmonized farming (EHF) using hairy vetch were compared to determine rice water absorption, physicochemical and pasting properties, antioxidant activities of brown and white rice, and a sensory evaluation of cooked white rice was carried out. EHF was treated with green manure crops such as hairy vetch and chitinase, which produce microorganism culture solution. CF was applied with seed disinfection treatments, fertilizer herbicides, and agricultural chemicals for the control of pests and diseases. The absorption level of EHF rice was higher than that of CF rice grain, regardless of the cultivation methods used. The ash and crude lipid contents were higher, but protein and dietary fiber contents were lower in the CF rice than in the EHF rice. The total starch content, water binding capacity, and swelling power of white rice were higher than those of brown rice, regardless of the cultivation methods used. The DPPH’s antioxidant activity was shown as follows: EHF brown rice, EHF white rice and CF rice, in a decreasing order. The initial pasting temperature of EHF rice was lower than that of CF rice, but the peak, cold, and breakdown viscosities exhibited reverse trends. The sensory evaluation showed that the cooked white rice cultivated with EHF was not significantly different from that cultivated with CF (p＜0.05). The overall preference of cooked rice did not show significant differences between the two cultivation methods (p＜0.05).
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KEYWORD
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environmentally harmonized farming, conventional farming, Dongjin 1, antioxidant activity, physicochemicaland pasting properties
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