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| Optimization of Decolorization Process of Idesia polycarpa Maxim. Oil and Analysis of Its Quality Effect |
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| DOI：10.16768/j.issn.1004-874X.2020.09.016 |
| Author Name | Affiliation | | XIE Yurui1,2, WANG Yanmei1,2, GENG Xiaodong1,2, WANG Jianyuan1, LIU Zhen1,2, LI Zhi1,2 | 1. 河南农业大学林学院，河南 郑州 450002；2. 中原地区森林资源培育国家林业局重点实验室，河南 郑州 450002 |
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| Abstract: |
| 【Objective】The study was conducted to explore the excellent decolorization technology of Idesia polycarpa Maxim. crude oil, improve the stability and safety of I. polycarpa oil, and provide theoretical references for scientific research and production activities.【Method】Taking cold pressed I. polycarpa crude oil as test material, single factor experiment on types of adsorbent, adsorbent dosage, decolorization time, decolorization temperature and stirring speed was conducted through degumming and deacidification, and decolorization conditions applicable to I. polycarpa oil were obtained. The fatty acid composition, physical and chemical properties of I. polycarpa oil after decolorization were determined and quality effect of decoloration process on I. polycarpa oil was analyzed.【Result】The results showed that the adsorbent was active clay, the dosage was 8%-9%, the time was 30-40 min, the temperature was 100-110℃ , and the stirring speed was 240-300 r/min, the decolorization rate of the I. polycarpa oil was more than 90%, which was the optimum decoloration process. When the decolorization was performed with 9% active clay, with the time of 40 min, the temperature of 110℃ , and the stirring speed of 300 r/min, the peroxide value of I. polycarpa oil decreased and the proportion of fatty acid content remained unchanged.【Conclusion】The decolorization rate of I. polycarpa oil can be greatly improved through optimized decolorization process, which has little negative effect on I. polycarpa oil quality. This process has important guiding
significance for the processing and utilization of I. polycarpa oil. |
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