The volatile oil from Zingiber striolatum Diels flowers were extracted by vapor distillation and the chemical constituents were separated and identified by GC-MS. Then,the relative contents in percentage of compounds were determined by peak area normalization method. The results showed that more than 59 peaks were separated and 55 compounds accounting for 95.54% of the total extracted by steam distillation were identified. The major constituents were identified as olefins 49.08% ,alcohols 22.39% .aldehydes 6.07% .esters 4.72% .oxides 4. 25% .ketones 2.26% ,hydrocarbons 2.19% and benzene derivative 1.81%.%为分析阳荷Zingiber striolatum Diels.花挥发油中的成分,采用水蒸气蒸馏的方法提取阳荷花中的挥发性成分,应用气相色谱-质谱联用法对化学成分进行鉴定,用峰面积归一化法测定各个化合物在挥发油中的相对百分含量.检测出59个化学成分,鉴定了其中55个化学成分总提物的95.54％.其中烯烃类占49.08％,醇类化合物占22.39％,醛类化合物占6.07％,酯类占4.72％,氧化物占4.25％,酮类化合物占2.26％,,还含有少量的烷烃占2.19％,苯的衍生物占1.81％.
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