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Study on Extracting Avocado Oil from Avocado Pulp by Aqueous Extraction

文献类型： 外文期刊

作者： Li, Yahui 1 ; Liu, Yijun 1 ; Deng, Dongyan 3 ; Liang, Jiemin 3 ; Chen, Weituan 3 ; Chen, Xinyi 3 ; Li, Jihua 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Minist Agr & Rural Af Fairs, Key Lab Trop Crop Prod Proc, Guangzhou 524001, Guangdong, Peoples R China

2.Hainan Key Lab Storage & Proc Fruits & Vegetables, Zhanjiang 524001, Peoples R China

3.Guangdong Ocean Univ, Coll Food Sci & Technol, Zhanjiang 524094, Peoples R China

期刊名称：2019 INTERNATIONAL CONFERENCE ON ADVANCES IN CIVIL ENGINEERING, ENERGY RESOURCES AND ENVIRONMENT ENGINEERING

ISSN： 1755-1307

年卷期： 2019 年 330 卷

页码：

收录情况： SCI

摘要： The optimum process for extracting avocado oil from avocado pulp was studied by using water method. The effects of material-liquid ratio, temperature, and time and pH value on oil extraction rate and oil recovery rate were studied. The optimum extraction conditions of avocado oil were determined by orthogonal test, and the physicochemical properties and fatty acid composition were analysed. The results showed: material-liquid ratio of 1:3 g/mL, extraction temperature of 75 degrees C, extraction time of 150 min, pH of 8 could be obtained on the optimal extraction conditions, and the oil extraction rate and the oil recovery rate of avocado oil were 78.95%, 37.21%, respectively. The acid value of avocado oil is 0.86 mg / g, the iodine value is 154.41 g / 100g, the saponification value is 198.0 g / 100g, water and volatile matter is 0.13%. The main fatty acid composition of avocado oils were oleic acid (71.93%), palmitic acid (13.33%), linoleic acid (8.51%), palm oil Acid (5.28%), total unsaturated fatty acid content 85.72%.

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