Quality Comparison of Camellia ole if era Seed oil Extracted with Different Solvents
In order to explore the influence of different solvent extraction methods on the quality of Camellia oleifera seed oil in Hainan Province,this experiment took camellia seed of the main varieties in Hainan Island as the material,and used different solvents(light petroleum,normal hexane,acetone,ethanol and ethyl acetate)to extract Camellia oleifera seed oil.The physiological and biochemical,secondary metabolites and fatty acid contents of Camellia oleifera seed oil were determined,and the influence of solvent on the quality of Camellia oleifera seed oil was analyzed.The results showed that there were significant differences in the physiological and biochemical parameters and metabolites of Camellia oleifera seed oil obtained from the five solvents.The fatty acid composition was basically the same,UFA content reached 85％,and oleic acid was the main component.The quality score of camellia oil extracted from petroleum ether and ethyl acetate was the highest and that from ethanol was the lowest by PCA and membership function mean analysis.In conclusion,different solvents have certain effects on the quality of camellia oil.The research results enrich the relevant research on camellia oil quality and provide reference for the development of camellia oil industry in Hainan Province.
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