砂仁叶油提取工艺研究及化学成分分析

目的 采用水蒸气蒸馏法提取砂仁叶油,并对其化学成分进行分析.方法 采用单因素试验研究浸泡时间、提取温度、提取时间对砂仁叶油提取率的影响,优选最佳提取工艺条件,并采用气相色谱-质谱联用(GC-MS)对砂仁叶油的成分进行分析.结果 确定最佳的提取工艺为浸泡时间1 h、提取加热温度200℃、提取时间5 h;以最佳提取工艺进行...

Study on Extraction Technology of Amomum Villosum Leaf Oil and Analysis of Its Chemical Components

Objective To extract the Amomum villosum leaf oil and analyze its chemical composition.Methods The effect of soaking time,extraction temperature and extraction time on the extraction rate was studied and the chemical composition of the oil was analyzed by gas chromatography-mass spectrometry(GC-MS).Results The optimum extraction conditions were as follows:the soaking time was 1 h,the extraction temperature was 200℃,and the extraction time was 5 h.The optimum extraction process was verified by three-batch extraction,and the average extraction rate of the Amomum villosum leaf oil was 1.18‰.42 chemical components of the oil were identified by means of separation and analysis.Among them,3,7,7-trimethyl-1,3,5-cycloheptene,β-pinene,β-caryophyllene,linalyl acetate and trans-Z-α-bisabolene were identified.The contents of the main 5 kinds of chemical components were high,accounting for 59.6%of the total amount of the oil.Conclusion The research can provide a reference for further research on Amomum villosum leaf oil.