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The THz fingerprint spectra of the active ingredients of a TCM - Herba Ephedrae

机译:中药有效成分太白麻的太赫兹指纹图谱

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In this paper, THz-TDS has been used to measure the spectral properties of two active ingredients of Herba Ephedrae: ephedrine and pseudoephedrine, which exist in hydrochloride salts. The THz spectra of the sole-ingredient, two-ingredient and three-ingredient compounds are studied. We obtained the finger-print spectra of the net active ingredients of the medicine, and also measured the mixtures of by two or three active ingredients at the different ratios. At the same time, theoretical analysis and quantitative analysis is applied to foretell the different THz spectra, identify the ingredients and infer the contents of principal components in samples. The THz spectroscopy is a potential and promising technique in evaluating and inspecting the quality of the drugs in the TCM field.
机译:在本文中,THz-TDS已用于测量存在于盐酸盐中的麻黄中两种有效成分:麻黄碱和伪麻黄碱的光谱特性。研究了单一成分,两个成分和三个成分的化合物的太赫兹光谱。我们获得了药物净活性成分的指纹图谱,还测量了两种或三种活性成分在不同比例下的混合物。同时,运用理论分析和定量分析来预测不同的太赫兹光谱,确定成分并推断样品中主要成分的含量。太赫兹光谱法是评估和检查中药领域药物质量的一种潜在且有前途的技术。

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