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| Optimization of extraction process and quality analysis of oil from fresh fruit of Idesia polycarpa |
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| DOI： |
| KeyWord:Idesia polycarpa oil fresh fruit of Idesia polycarpa process optimization quality analysis |
| FundProject:邯郸市科学技术研究与发展计划项目（22422083125ZC） |
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| Abstract: |
| In order to achieve high efficiency production of Idesia polycarpa oil, the Idesia polycarpa oil was extracted directly by 75% ethanol after beating fresh fruit of Idesia polycarpa by high speed universal grinder. The extraction process of Idesia polycarpa oil was optimized by single factor experiment and orthogonal experiment with the ratio of solid to liquid, extraction temperature, extraction time and pH as factors, and its quality was analyzed. The results showed that the optimal extraction process conditions of Idesia polycarpa oil were obtained as follows: ratio of solid to liquid 10∶ 3, extraction temperature 90 ℃, extraction time 2.0 h, and pH 3.0. Under these conditions, the oil extraction rate of Idesia polycarpa could reach 88.3%. The contents of vitamin E, total sterol, total polyphenol and squalene in Idesia polycarpa oil were 367.2, 3 100, 148.7 mg/kg and 258.7 mg/kg, respectively, and its odour, taste, colour, acid value, moisture and volatile matter content met the requirements of product oil in LS/T 3258-2018 Idesia polycarpa oil. The optimal process of extracting oil from Idesia polycarpa is efficient and reliable, and the product has good quality. |
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