The objective of this work was to evaluate the changes in the lipid composition of cashew nut oil extracted with compressed propane under different experimental conditions of pressure using ethanol (Et) as cosolvent. At 10 MPa, the use of propane without Et, propane using 6% of Et, and chloroform extraction provided 23.06, 33.11, and 35.69% of oil yield, respectively. Cashew nut oil showed a predominance of monounsaturated fatty acids, of which oleic acid was the major constituent, without significant differences between the methods. Extraction with propane compressed to 10 MPa and using 6% Et presented greater efficiency in extracting phytosterols, tocopherols, and greater lipophilic‐oxygen radical absorbance capacity from the cashew nut oil than the other extractions with compressed propane. Principal component analysis showed the efficiency of compressed propane extraction in obtaining bioactive compounds. It is possible to use 6% Et at 10 MPa and 45°C to obtain cashew oil with excellent chemical composition.

中文翻译：

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在不同实验条件下用压缩丙烷提取的腰果油：脂质成分的评估

这项工作的目的是评估使用乙醇（Et）作为助溶剂在不同压力实验条件下用压缩丙烷提取的腰果油的脂质组成的变化。在10 MPa下，使用不含Et的丙烷，使用6％Et的丙烷和氯仿萃取分别提供了23.06％，33.11和35.69％的油收率。腰果油显示出主要为单不饱和脂肪酸，其中油酸为主要成分，两种方法之间无显着差异。与其他压缩丙烷提取相比，压缩至10 MPa的丙烷和6％Et的提取提取腰果油中植物甾醇，生育酚的效率更高，脂溶性氧自由基吸收能力更高。主成分分析表明，压缩丙烷提取可以有效地获得生物活性化合物。可以在10 MPa和45°C下使用6％Et来获得具有优良化学组成的腰果油。