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1 实验1.1 材料和仪器枸桔(Poncirus trifoliata Raf.)1989年9月采自陕西汉中地区,经本校生物系黄可副教授鉴定.枸桔挥发油用自制的水蒸汽蒸馏一溶剂萃取装置提取,以精馏石油醚(收集60℃以下馏分)为溶剂.仪器,日本岛津 GC-16A 气相色谱仪和CR-3A 色谱数据处理机;英国 VG 公司 ZAB-HS 色谱一质谱联用仪;ALPHA CENTAURI FT 红外光谱仪;FX-90Q 核磁共振仪.
1 Experiment 1.1 Materials and Equipment Poncirus trifoliata Raf. was collected in September 1989 in Hanzhong District, Shaanxi Province. It was identified by Huang Ke, Associate Professor of the Department of Biology of the University. The volatile oil of Citrus reticulata was extracted by a self-made solvent extraction device using steam distillation. Distilled petroleum ether (collected fractions below 60°C) as solvent. Instrumentation, Shimadzu GC-16A Gas Chromatograph and CR-3A Chromatography Data Processor, UK; VG Corporation ZAB-HS Chromatography/Mass Spectrometer; ALPHA CENTAURI FT IR Spectrometer; FX-90Q Nuclear Magnetic Resonance Instrument.