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采用气相色谱-质谱联用技术(GC-MS),分析并鉴定黄根的脂溶性化学成分.从黄根挥发油中分离出74个成分,并鉴定了其中的36个成分.黄根挥发油主要成分为十八碳6烯酸(7.52％),棕榈酸(6.34％),Phos-phetane,2,2,3,4,4-pentamethyl-1-phenoxy-,1-oxide(6.05％)等.从黄根石油醚提取物中分离出64个成分,并鉴定了其中的37个成分.黄根石油醚提取物主要成分为反式油酸(18.85％),棕榈酸(17.66％),硬脂酸(4.49％)等.利用GC-MS分析鉴定黄根脂溶性成分,具有快速、稳定、重复性好的特点,可用于黄根药材成分的分析鉴定.“,”The fat-soluble chemical components in Prismatomeris connata Y. Z. Ruan were analyzed and identified by the gas-soluble mass spectrometry(GC-MS).Totally 74 components were isolated from the essential oil of the Prismatomeris connata Y. Z. Ruan and 36 of those components were identified. The main components of essential oil of the Prismatomeris connata Y. Z. Ruan were 6 octadecenoic acid(7. 52%)，n-hexa-decanoic acid(6.34%)，phosphetane，2，2，3，4，4-pentamethyl-1-phenoxy-，1-oxide(6. 05%).Totally 64 components were isolated from the petroieum ether extract and 37 of those components were identified. The main components of petroieum ether extract were elaidic acid(EA)(18.85%)，hexadecanoic acid(17.66%)，stearic acid ( 4.49 %) and so on. GC-MS was used to analyze and identify the fat-soluble components of the Prismatomeris connata Y. Z. Ruan，which was characterized by rapid，stable and reproducible characteristics， and could be used for the analysis and identification of the Prismatomeris connata Y. Z. Ruan medicinal components.