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Effect of Irradiation of Red Radish Seeds on the Seed Viability and Functional Properties of Sprouts  

Waje, Catherine K. (Department of Food Science and Technology, Kyungpook National University)
Park, Ju-Hwan (Department of Food Science and Technology, Kyungpook National University)
Kim, Gui-Ran (Department of Food Science and Technology, Kyungpook National University)
Kim, Yu-Ri (EB Tech Co., Ltd.)
Han, Bum-Soo (EB Tech Co., Ltd.)
Lee, Yeon-Kyung (Department of Food Science and Nutrition, Kyungpook National University)
Moon, Kwang-Deog (Department of Food Science and Technology, Kyungpook National University)
Kwon, Joong-Ho (Department of Food Science and Technology, Kyungpook National University)
Publication Information
Food Science and Biotechnology / v.18, no.2, 2009 , pp. 390-395 More about this Journal
Abstract
Red radish seeds were irradiated at doses up to 8 kGy using electron beam (e-beam) and gamma ray ($\gamma$-ray). The seed viability and functional properties (carotenoid, chlorophyll, ascorbic acid, and total phenol) of sprouts grown from these irradiated seeds were evaluated. High germination percentage ($\geq$97%) was observed in seeds irradiated at $\leq$5 kGy, but the yield ratio and sprout length significantly decreased with increased irradiation dose. Irradiation at $\geq$6 kGy resulted in curling of the sprout roots. Sprouting enhanced the functional properties of red radish seeds as indicated by the increased carotenoid, chlorophyll, ascorbic acid, and total phenol contents during germination. However, radiation treatment hampered the growth of seeds resulting in underdeveloped sprouts with decreased carotenoid, chlorophyll, ascorbic acid, and total phenol contents. In general, e-beam and $\gamma$-ray irradiation of red radish seeds showed similar effects on the seed viability and functional properties of sprouts. Postharvest storage reduced the functional quality of sprouts.
Keywords
red radish sprout; irradiation; seed viability; functional property;
Citations & Related Records
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Times Cited By Web Of Science : 0  (Related Records In Web of Science)
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