초록

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Abstract ▼ AI-Helper

Lipoxygenase-deficient soybeans, Jinpumkong (lipoxygenase-2, 3 lacking) and Jinpumkong 2 (lipoxygenase-1, 2, 3 lacking), were breeded for the improvement of beany flavor problem. The objectives of this study were to characterize and to examine the storage stability of two lipoxygenase-deficient soyb...

Lipoxygenase-deficient soybeans, Jinpumkong (lipoxygenase-2, 3 lacking) and Jinpumkong 2 (lipoxygenase-1, 2, 3 lacking), were breeded for the improvement of beany flavor problem. The objectives of this study were to characterize and to examine the storage stability of two lipoxygenase-deficient soybeans by comparing with Hwangkeumkong having high lipoxygenase activity. The crude protein and crude lipid content of Jinpumkong 2 were lower than those of Hwkangkeumkong and Jimpumkong. All soybean samples were middle-sized and yellow-coated seeds. The rate of water uptake and trypsin inhibitor activity of Jinpumkong were greater than those of others. The cooking rate of Hwangkeumkong was the highest among all. The lipoxygenase activity of Hwangkeumkong was decreased when the soybeans were stored at $40^{\circ}C$ for 96hrs at 90% RH which is the condition of accelerated aging. After accelerated aging, the germination ratio of Hwangkeumkong was not changed but the ratio and speed of germination dropped rapidly in Jinpumkong and Jinpumkong 2.

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