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KMID : 1098419960040020139
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Korean Journal of Medicinal Crop Science
1996 Volume.4 No. 2 p.139 ~ p.144
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Effects of Cultural Condition on the Yield and Contents of Effective Components in Alisma orientale (Samuels .) Juzepcz
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김정곤/Kim, Jung Kon
서형수/곽용호/성재덕/김금숙/박창기/Suh, Hyung Soo/Kwack, Yong Ho/Seong, Jae Duck/Kim, Geum Soog/Park, Chang Kie
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Abstract
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This research was carried out to clarify effects of cultural condition on the content of Alisol B-monoacetate, whose function is antihypercolesterol in blood, and yield in Alisma Rhizomes. When the corm part of Alisma Rhizomes was extracted by shaking extraction at $25^{\circ}C$ 수식 이미지 and reflux extraction at $40^{\circ}C$ 수식 이미지 to $100^{\circ}C$ 수식 이미지 four times, the total content of Alisol B-monoacetate was 0. 402%, 0. 425% and 0. 402% at $25^{\circ}C$ 수식 이미지, $40^{\circ}C$ 수식 이미지 and $60^{\circ}C$ 수식 이미지 respectively. The recovery rate was 97% by three times extraction at $25^{\circ}C$ 수식 이미지, and 96% and 97% by three times extraction at $40^{\circ}C$ 수식 이미지 and $60^{\circ}C$ 수식 이미지 respectively. When the corm was harvested on Oct. 30, the content of Alisol B-monoacetate was 0. 46% but it was increased to 0. 71% on Nov. 30. In the case of Oct. 30, the corms of $S(4{\sim}14g\; FW)$ 수식 이미지 size were determined to contain the highest level of Alisol B-monoacetate (0. 53%), and the content was decreased as the corn size was increased. This tendency was also adopted on Nov. 30. On the other hand, the content of crude protein and starch was changed rarely by the period of harvest. When the planting depth was $0{\sim}1cm$ 수식 이미지, the yield was the highest as 206kg/10a, and the yield was decreased as the planting depth was deep. The variation of the content of Alisol B-monoacetate was small as 0. 33% to 0. 39% by planting depth. From the above results it could be concluded that the optimum time for harvest of Alisma Rhizomes is Nov. 30 and the optimum planting depth is $0{\sim}1cm$ 수식 이미지.
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