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  • Title: [Influence of Different Growing Years on Accumulation of Flavonoids and Saponins in Astragali Radix].
    Author: Xin B, Ma SJ, Xie J, Wang WQ, Hou JL.
    Journal: Zhong Yao Cai; 2015 Jul; 38(7):1366-9. PubMed ID: 26946831.
    Abstract:
    OBJECTIVE: To study the effects of different growing years on the accumulation of flavonoids and saponins in Astragali Radix, in order to offer evidence to determine the most appropriate harvest time. METHODS: HPLC method was developed for the determination of the contents of flavonoids and saponins. RESULTS: The contents of flavonoids and saponins in different growing years of Astragali Radix existed obvious differences, the longer growing, the content was relatively higher. CONCLUSION: With the increase of growing years, the contents of flavonoids and saponins are roughly rising year by year, the harvest time has a great influence on the accumulation of the compositions.
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