不同生长年限唐古特大黄中五种蒽醌衍生物的含量比较
The Comparison of the Five Kinds of Anthraquinone Derivatives Contents in Rheum tanguticum of Different Growing Periods
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Abstract: OBJECTIVE To investigate variations of anthraquinone derivatives in Rheum tanguticum Maxim.ex Balf.of different growing periods.METHODS The emodin,chrysophanol,rhein,aloe-emodin and physcion in Rheum tanguticum Maxim.ex Balf.of different growing periods w