[GC-MS analysis of constituents of essential oils from stems of Ephedra sinica Stapf, E. intermedia Schrenk et C.A. Mey. and E. equisetina Bge].
The essential oils from the dried stems of Ephedra sinica, E. intermedia and E. equisetina were analyzed by GC-MS qualitatively and GC quantitatively. One hundred and twenty-seven constituents were identified, l-alpha-terpineol (31.64%) in E. sinica, 1,4-cineole (12.80%) in E. intermedia and hexadecanoic acid (26.22%) in E. equisetina being the main constituents.
Ji
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Institute of Chinese Materia Medica, China Academy of Traditional Chinese Medicine, Beijing.
Xu
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Pan
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Yang
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D032462:Cycadopsida / Q000737:chemistry; D000081005:Cyclohexane Monoterpenes; D053138:Cyclohexenes; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D008401:Gas Chromatography-Mass Spectrometry; D039821:Monoterpenes; D009822:Oils, Volatile / Q000737:chemistry / Q000302:isolation & purification*; D019308:Palmitic Acid / Q000737:chemistry / Q000302:isolation & purification; D018547:Plant Stems / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D013729:Terpenes / Q000737:chemistry / Q000302:isolation & purification
D000081005:Cyclohexane Monoterpenes; D053138:Cyclohexenes; D004365:Drugs, Chinese Herbal; D039821:Monoterpenes; D009822:Oils, Volatile; D013729:Terpenes; C016775:alpha-terpineol; D019308:Palmitic Acid; C058951:1,4-cineole