低温结晶法纯化元宝枫籽油中神经酸
Purification of nervonic acid in Acer truncatum Bunge. seed oil by low temperature crystallization
  
DOI:
中文关键词:  元宝枫籽油  神经酸  低温结晶  混合脂肪酸
英文关键词:Acer truncatum Bunge. seed oil  nervonic acid  low temperature crystallization  mixed fatty acids
基金项目:江南大学大学生创新训练计划资助(201910295084Y);新农科研究与改革实践项目“基于全产业链的食品专业多样化人才培养模式创新实践”“新农科视域下食品专业教育国际化创新模式研究与实践”
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GE Zhiqin Purification of nervonic acid in Acer truncatum Bunge. seed oil by low temperature crystallization 
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中文摘要:
      为了提高从元宝枫籽油中富集神经酸的纯度和收率,将元宝枫籽油皂化制备混合脂肪酸,然后用不同溶剂溶解混合脂肪酸并进行低温结晶,优化结晶溶剂、料液比和结晶时间等工艺参数。结果表明,当元宝枫籽油混合脂肪酸与乙醇以质量体积比1∶ 3混合,在-40 ℃下低温结晶4 h后,得到的结晶中神经酸含量为13.11%,收率为65.48%,终产品中神经酸含量比元宝枫籽油中原有神经酸含量提高了1倍多。
英文摘要:
      In order to improve the purity and yield of the nervonic acid enriched from Acer truncatum Bunge. seed oil, the Acer truncatum Bunge. seed oil was saponified to prepare mixed fatty acids, and then the mixed fatty acids were dissolved in different solvents and crystallized at low temperature. The conditions of crystallization solvent type, ratio of mixed fatty acids to solvent and crystallization time were optimized. The results showed that when the mixed fatty acids were mixed with ethanol in a mass-volume ratio of 1∶ 3, and crystallized for 4 h at -40 ℃, the content of nervonic acid in the crystal was 13.11%, the yield was 65.48%, and the content of nervonic acid in the final product was more than twice as high as that in Acer truncatum Bunge. seed oil.
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