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KMID : 0613820180280080977
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Journal of Life Science
2018 Volume.28 No. 8 p.977 ~ p.984
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Effect of LED Light Strength for Enhancing Rutin Content in Tatary Buckwheat Sprouts and Antioxidant Activity
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Shin Ji-Young
Kang Min-Jae
Kim Hyeon-Jeong
Park Ji-In
Yang Ji-Young
Kim Kun-Do
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Abstract
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This study aimed to enhance rutin contents by controlling germination condition for manufacturing buckwheat sprouts. Two kinds of buckwheat, a common buckwheat (Fagopyrum esculentum Moench) and a tartary buckwheat (Fagopyrum tataricum Gaertner) were used. By comparing the rutin content of two buckwheats, tartary buckwheat was 487 ppm, about 36 times higher than common buckwheat. Both common buckwheat and tartary buckwheat which germinated and grew under the light had higher rutin content relatively. In case of tartary buckwheat, rutin content of over 10 cm sprout was 4,579 ppm (without the light), and 5,160 ppm (with the light). Furthermore, tartary buckwheat was germinated and grew under different light strengths from 2,000 to 22,000 Lux. The rutin contents of tartary buckwheat sprout that was grown under the 22,000 Lux light was the highest. The rutin content was increased dramatically at 14,000 Lux of light. From 14,000 to 22,000 Lux, there was a little change on rutin content. Therefore, the condition of 14,000 Lux light was determined optimal for manufacturing tartary buckwheat sprouts. Also, rutin contents of extracts treated with 60, 70, 80 and 90℃ during different time had no significant difference. Therefore, rutin of tartary buckwheat sprout extract had thermostability up to 90℃.
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KEYWORD
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Fagopyrum tataricum Gaertner, germination, light strength, rutin, tartary buckwheat
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