2011•Applied Chemical IndustryRequires access

Study on the optimum harvest time of Codonopsis pilosula Nannf.var.modesta(Nannf.)L.T.Shen

Yuan Ju-li

Abstract

The dynamic features of yield and the contents of polysaccharide and total saponins in Codonopsis pilosula Nannf.var.modesta(Nannf.)L.T.Shen root were studied.Methods of biennial,three different raw Codonopsis pilosula Nannf.var.modesta(Nannf.)L.T.Shen month yield,the dynamic changes of polysaccharide content determined the best harvest Codonopsis pilosula Nannf.var.modesta(Nannf.)L.T.Shen.The results indicated that there were significant differences between yield(p 0.05) of two years old and three years old.ANOVA analysis showed that the polysaccharide content in different months in the same period were significant differences(p0.01).Considering the yield,polysaccharide content,the best harvest time is September to November of the third year cultivation.

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Key concepts: Codonopsis, Yield (engineering), Polysaccharide, Biology, Horticulture, Traditional medicine, Medicine, Traditional Chinese medicine