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Accucore C18色谱柱分析清热解毒片中的 13 种有效成分

Instrument Type: HPLC

清热解毒片用于治疗热毒壅盛所致发热面赤,烦躁口渴,咽喉肿痛;流感、上呼吸 道感染见上述证候者。由板蓝根、地黄、黄芩、金银花、连翘、龙胆、麦冬、生石膏、甜地丁、玄参、知母、栀子等中药组成,其中金银花、栀子、黄芩、连翘、龙胆是其君药与臣药,2015 版药典规定只测定黄芩苷和栀子苷两个组分,有关文献测定了其中的绿原酸、黄芩苷和连翘苷成分,均不足以很好地控制该产品质量。本方法采用Accucore 色谱柱分析了 13 个主要有效成分,分别归属于以上 5 味中药,该方法对于清热解毒片的作用物质基础研究和质量控制具有很好的参考意义。

AN357: Extraction of Phenolic Acids from Plant Tissue Using Accelerated Solvent Extraction (ASE)

Instrument Type: Automated Sample Prep

This application note will focus on the extraction of phenolic acids from two different plants (eggplants and black cohosh) using ASE. The ASE results from five different eggplant samples are compared to eight different extraction techniques. Data from the extraction of black cohosh show the results of the optimum ASE conditions for this matrix, focusing on temperature and solvent choice.