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KMID : 0665220180310020213
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Korean Journal of Food and Nutrition
2018 Volume.31 No. 2 p.213 ~ p.219
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Component Content, ACE and AChE Inhibitory Activity of Ramie (Leaf Boehmeria nivea M.) according to Harvest Time
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Lee Jong-Kug
Lee Jeong
Cho Hui-Je
Kim Jae-Kyung
Choi Young-Min
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Abstract
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This study was performed to determine the optimal time of harvest for ramie leaves with the two varieties (Seocheon Seobang and Seoncheon Baekpi) by comparison of physiological activity and physicochemical characteristics. The crude protein, minerals, ascorbic acid, folate, chlorophyll, ACE inhibitory activity and AChE inhibitory activity were determined. The amount of crude protein in ramie leaf, which was collected in Seocheon-gun, Chungcheongnam-do, grew up steadily from early May to September. The content of calcium in was higher in Baekpi than in Seobang. Seobang displayed its highest value of 3,569.90 mg% in September, while Baekpi displayed its highest value of 3,163.84 mg% in October. Although, folate and vitamin C contents in the two varieties were slightly different, they were higher as the growth date grew in October. The highest value of chlorophyll content was observed in October, which was later in the vegetative state. ACE inhibitory activity and AChE inhibitory activity appeared to be higher in Baekpi than in Seobang. Between June and August, ACE inhibitory activity was highest in Baekpi variety.
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KEYWORD
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ramie leaf, ACE, AChE, harvest time
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