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Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

[Studies on accumulation of active ingredients, N, P and K in Anemarrhena asphodeloides].


PMID 17972573

Abstract

To study the accumulation of active ingredients, the absorption and transformation of N, P and K in Anemarrhena asphodeloides and provide basis for determination of the harvest time and fertilizing. Samples were collected in different phrases and the weight of dry matter, the content of N, P and K of different organs and the content of sarsasapogenin were determined. Absorption of N, P and K started by the root and rhizoma after July. At the end of August, the N and K of the aerial part transfered largely into rhizome. The content of sarsasapogenin in rhizome was the highest in early spring. Additional fertilizer is helpful to increase the yield in July of the second year after the transplantation. The quality is the best when harvest in early spring.

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S8534
Sarsasapogenin, ≥98%
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