[Objectives]This paper aimed to study the quality standard of pummelo pericarp from Guangxi.[Methods]The medicinal material was identified by microscopy and thin-layer chromatography,and the contents of moisture,total...[Objectives]This paper aimed to study the quality standard of pummelo pericarp from Guangxi.[Methods]The medicinal material was identified by microscopy and thin-layer chromatography,and the contents of moisture,total ash,acid-insoluble ash and extract in the medicinal material were determined according to the methods of the Chinese Pharmacopoeia(2010 edition).[Results]The content limits for moisture,total ash,acid-insoluble ash and extract were determined(moisture≤12%;total ash≤6.0%;acid-insoluble ash≤0.6%;water-soluble extract≥43.0%;naringin≥10.00 mg/g).The micro-characteristics of pummelo pericarp were identified,and a thin-layer chromatography identification and content determination method was established.[Conclusions]The established method can provide an experimental basis for the formulation of quality standard for pummelo pericarp.展开更多
为优化柚皮中柚皮苷、橙皮苷的同时测定方法,比较不同来源柚皮中柚皮苷和橙皮苷的含量差异,采用Luna C_(18)(2)(4.60 mm×150 mm,5μm,100?)为色谱柱,水:乙腈=81:19(以磷酸调p H 2.4)为流动相,流速为1.0 m L/min,柱温为30℃,检测波...为优化柚皮中柚皮苷、橙皮苷的同时测定方法,比较不同来源柚皮中柚皮苷和橙皮苷的含量差异,采用Luna C_(18)(2)(4.60 mm×150 mm,5μm,100?)为色谱柱,水:乙腈=81:19(以磷酸调p H 2.4)为流动相,流速为1.0 m L/min,柱温为30℃,检测波长为283 nm的高效液相色谱方法,对柚皮中的柚皮苷、橙皮苷含量进行测定。结果表明,该分析方法的柚皮苷和橙皮苷分别在0.0247~0.989、0.0282~1.130μg范围内具有良好的线性关系,r=0.9999;柚皮苷和橙皮苷的平均回收率分别为91.46%、92.66%,RSD分别为1.81%、1.22%;经该法测定,不同来源柚皮中柚皮苷含量差异达极显著水平,但均未检测到橙皮苷。该方法简便、准确,可同时测定柚皮中柚皮苷和橙皮苷的含量。展开更多
基金Supported by Fundamental Scientific Research Ability Enhancement Project for Young and Middle-Aged Teachers in Universities and Colleges of Guangxi(2019KY0324)Graduate Project of Guangxi University of Chinese Medicine(YCSY20190096)+1 种基金Project of Guangxi University of Chinese Medicine(P2010016)College Students’Innovative Entrepreneurial Training Program of Guangxi University of Chinese Medicine(201910600022).
文摘[Objectives]This paper aimed to study the quality standard of pummelo pericarp from Guangxi.[Methods]The medicinal material was identified by microscopy and thin-layer chromatography,and the contents of moisture,total ash,acid-insoluble ash and extract in the medicinal material were determined according to the methods of the Chinese Pharmacopoeia(2010 edition).[Results]The content limits for moisture,total ash,acid-insoluble ash and extract were determined(moisture≤12%;total ash≤6.0%;acid-insoluble ash≤0.6%;water-soluble extract≥43.0%;naringin≥10.00 mg/g).The micro-characteristics of pummelo pericarp were identified,and a thin-layer chromatography identification and content determination method was established.[Conclusions]The established method can provide an experimental basis for the formulation of quality standard for pummelo pericarp.
文摘为优化柚皮中柚皮苷、橙皮苷的同时测定方法,比较不同来源柚皮中柚皮苷和橙皮苷的含量差异,采用Luna C_(18)(2)(4.60 mm×150 mm,5μm,100?)为色谱柱,水:乙腈=81:19(以磷酸调p H 2.4)为流动相,流速为1.0 m L/min,柱温为30℃,检测波长为283 nm的高效液相色谱方法,对柚皮中的柚皮苷、橙皮苷含量进行测定。结果表明,该分析方法的柚皮苷和橙皮苷分别在0.0247~0.989、0.0282~1.130μg范围内具有良好的线性关系,r=0.9999;柚皮苷和橙皮苷的平均回收率分别为91.46%、92.66%,RSD分别为1.81%、1.22%;经该法测定,不同来源柚皮中柚皮苷含量差异达极显著水平,但均未检测到橙皮苷。该方法简便、准确,可同时测定柚皮中柚皮苷和橙皮苷的含量。