alexa [Quality classification standard of Dipsacus asperoides seed].
Pharmaceutical Sciences

Pharmaceutical Sciences

Medicinal & Aromatic Plants

Author(s): Zhang X, Li L, Chen D, Wang Y

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Abstract OBJECTIVE: To establish seed quality classification standard of Dipsacus asperoides. METHOD: Through the detection on seed purity, 1 000-grain weight, water content, germination rate of D. asperoides from different areas, and observation on seed external characters, the primary seed quality classification standard of D. asperoides was preliminarily formulated. RESULTS: The first level D. asperoides seed germination rate was over 85\%, 1 000-grain weight above 3.94 g, purity above 90.95\%, water content lower than 9.08\%. The second level D. asperoides seed germination rate was over 64\%, 1 000-grain weight was above 3.57 g, purity was over 83.66\%, water content was above 10.23\%. The third level seed germination rate was above 35\%, 1 000-grain weight was above 3.04 g, purity was above 75.51\%, water content was lower than 11.37\%. CONCLUSION: Germination rate and 1 000-grain weight were the main indexes of quality classification standard, and purity and water content provide the important reference. This quality classification standard of D. asperoides was scientific and feasible, and can be used as the quality control standard of D. asperoides.
This article was published in Zhongguo Zhong Yao Za Zhi and referenced in Medicinal & Aromatic Plants

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