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Pharmacognosy research and identification of euphorbia prostrata ait.

TMR Modern Herbal Medicine 2024年第1期7卷 19-25页

作者： Jia Yan Wen-Feng Weng Sheng-Guo Ji School of Traditional Chinese Medicine Guangdong Pharmaceutical UniversityGuangdong 510006China

Background:euphorbia prostrata *** an annual herb widely distributed in the southern region of China with great medical values on Anti-inflammation,insect repellent,treatment of *** its extensive uses as a traditional Chinese medicine,no systematic research on the identification of *** has been ***:The study aimed to establish an accurate identification system for *** through traditional pharmacognostical methods,including botanical origin,morphological characters,medicinal material characters,microscopic characters,physicochemical parameters determination,phytochemical screening,and DNA barcoding ***:Physicochemical results show that this plant likely contains flavonoids,anthraquinones,and other *** ITS loci of the nuclear genome and psbA-trnH loci of the chloroplast genome were selected and evaluated,which were the most variable ***:The findings of this study are expected to contribute to the development of species identification,as well as provide references for authenticity identification,genetic relationship analysis,and further utilization of ***.

关键词： euphorbia prostrata ait. microscopic identification physico-chemical identification ITS sequence psbA-trnH sequence

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Pharmacognostic Identification of euphorbia maculata *** Its Related Species

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Medicinal Plant 2021年第1期12卷 32-34,39页

作者： Jing HOU Li LI Xiaotong JING Yuan LIANG Shaoqi LUO Yi CAI Guangxi University of Chinese Medicine Nanning 530001China

[Objectives]To make pharmacognostic identification of euphorbia maculata *** its related species.[Methods]The classical pharmacognostic identification method was adopted.[Results]The four main medicinal materials are very similar,the fluff can be seen in *** and euphorbia thymifolia L.,but not in euphorbia prostrata *** euphorbia taihsiensis(Chaw et Koutnik)Oudejians;the tissue structure is basically the same;except for *** without non-glandular hairs,the powder has secretory cells,laticifers,cells,calcium oxalate crystals,fibers,vessels,and seed coat *** ultrasonic extraction with 80%ethanol,extraction with isobutanol,extending with chloroform∶ethyl acetate∶formic acid(5∶3∶0.3),developing color with 3%aluminum trichloride ethanol solution,under ultraviolet light(365 nm),the fluorescent spots of the same color appeared on the corresponding position of the chromatogram of the reference substance(quercetin,kaempferol).[Conclusions]It is not easy to distinguish the four medicinal materials by character identification and microscopic identification,while the thin-layer chromatography(TLC)is more reliable.

关键词： euphorbia maculata L. euphorbia thymifolia L. euphorbia prostrata ait. euphorbia taihsiensis(Chaw et Koutnik)Oudejians Pharmacognostic identification

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