Quality Evaluation of Traditional Chinese Drug Huangqin (Radix Scutellariae) by Principal Component Analysis
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Graphical Abstract
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Abstract
10 samples from five species of the traditional Chinese drug Huangqin(Radix Scutellariae)have been examined by means of ultraviolet spectrometry. All of the obtained characteristicfeatures of quantization were treated with mathematic method of principal c
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