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首页> 外文期刊>American Journal of Analytical Chemistry >Study on the Composition and Super Critical Carbon Dioxide Extraction of Chinese Hickory (Carya cathayensis Sarg.) Kernel Oil
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Study on the Composition and Super Critical Carbon Dioxide Extraction of Chinese Hickory (Carya cathayensis Sarg.) Kernel Oil

机译：山核桃仁油的组成及超临界二氧化碳萃取研究

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摘要

Chinese hickory (Carya cathayensis Sarg.) is one of the most productive woody oil-bearing plant in China. Four different extraction methods were explored and supercritical CO_(2) was selected as green and non-toxic solvent to extract Chinese kernel oil. Four experiment factors, particles size, extraction time, extraction temperature and extraction pressure, were selected to carry out the single factor experiments. According to the results of orthogonal experiments design, the condition of B_(3)C_(2)A_(2)D_(2) was the optimum reaction parameters. When the experiments were carried out at the optimum parameters, the yield of Chinese hickory kernel oil was 74.5%. The oil fatty acids profiles were analyzed, the results showed that total unsaturated fatty acids were 93.05%. Among them, oleic acid was 66.5 ± 0.44 as the main component. Saturated fatty acids were 6.92 ± 0.21.
机译：中国山核桃（山核桃）是中国生产力最高的木本植物之一。探索了四种不同的提取方法，并选择超临界CO_（2）作为绿色无毒溶剂提取Chinese仁油。选择四个实验因素，颗粒大小，提取时间，提取温度和提取压力进行单因素实验。根据正交实验设计结果，以B_（3）C_（2）A_（2）D_（2）为条件是最佳反应参数。当在最佳参数下进行实验时，山核桃仁油的收率为74.5％。分析了油中脂肪酸的分布，结果表明不饱和脂肪酸总量为93.05％。其中，油酸为66.5±0.44为主要成分。饱和脂肪酸为6.92±0.21。

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