402023年第1期(总第165期)·分析与应用·苦皮藤薄层色谱鉴别方法的建立罗健菱,赵婷婷,胡家震,唐娟,胡成刚*,马彬焰,邰通芝(贵州中医药大学,贵州贵阳,550025)摘要:为建立苦皮藤二氯甲烷部位的薄层色谱鉴别方法,该研究以雷公藤醌F(TriptoquinoneF)和Epikatonicacid为对照品,考察供试品溶液制备方法、展开剂、点样量、展距、显色剂对薄层色谱分析的影响,确定苦皮藤的最佳薄层色谱条件。结果显示:采用薄层色谱GF254硅胶板,以二氯甲烷为萃取溶剂制备供试品溶液,甲苯-乙酸乙酯-冰醋酸=7:2:0.2为展开剂展开,喷以5%磷钼酸乙醇溶液,热风吹干显色,于日光底部灯下进行检视,所得苦皮藤层色谱分离效果和显色效果较佳,斑点清晰且特征性好。该方法安全、易操作、专属性强,可作为苦皮藤二氯甲烷部位的薄层鉴别方法。关键词:薄层色谱鉴别;苦皮藤;展开剂;显色剂;中图分类号:R284.1文献标志码:A文章编号:1008-3103(2023)01-0040-05EstablishmentofTLCIdentificationMethodforCelastrusAngulatusMaximLuoJian-ling,ZhaoTing-ting,HuJia-zhen,TangJuan,HuCheng-gang*,MaBin-yan,TaiTong-zhi(SchoolofPharmacy,GuizhouUniversityofTraditionnalChineseMedicine,GuiyangGuizhou5500025,China)Abstract:InordertoestablishaTLCidentificationmethodforthedichloromethanepartofCelastrusangulatus,TripoquinoneFandEpikatonicacidwereusedasreferencesubstances,andtheeffectsofpreparationmethodoftestsolution,developingagent,sampleamount,spreadingdistanceandcolordeveloperonTLCanalysiswereinvestigated,andthebestTLCconditionsofCelastrusangulatusweredetermined.Theresultsshowedthatthin-layerchromatographyGF254silicagelplatewasusedtopreparethetestsolutionwithdichloromethaneasextractionsolvent,toluene-ethylacetate-glacialaceticacid=7:2:0.2asdevelopingagent,sprayedwith5%phosphomolybdicacidethanolsolution,driedbyhotairforcolordevelopment,andexaminedunderthesunlightbottomlamp.TheobtainedCelastrusangulatuslayerchromatographyhasgoodseparationandcolordevelopmenteffect,clearspotsandgoodcharacteristics.Themethodissafe,easytooperateandspecific,andcanbeusedasaTLCidentificationmethodfordichloromethanepartsofCelastrusangulatus.Keywords:TLCidentification;Bittervine;Develo...