摘要
以脱胶山桐子油为研究对象,探究NaOH质量分数、超碱量、碱炼温度、碱炼时间对山桐子油脱酸率的影响,通过单因素结合正交试验,对山桐子油碱炼脱酸工艺进行参数优化,并对脱酸前后山桐子油的品质进行检测。结果表明:最佳碱炼脱酸条件为NaOH质量分数15%、超碱量0.25%(以油质量计)、碱炼温度40℃、碱炼时间45 min,在此条件下,山桐子油脱酸率达到95.86%。脱酸后山桐子油各理化指标除过氧化值外均有显著改善,脂肪酸组成及总生育酚含量并未发生显著变化。
Taking degummed idesia oil as the research object,the effects of NaOH mass fraction,super alkali content,alkali refining temperature and alkali refining time on the deacidification rate of idesia oil were explored.Through single factor and orthogonal test,the parameters of the alkali refining process of idesia oil were optimized,and the quality of idesia oil before and after deacidification was detected.The results showed that the optimum conditions for alkali refining were NaOH mass fraction 15%,super alkali content 0.25%(calculated by oil mass),alkali refining temperature 40℃and alkali refining time 45 min.Under these conditions,the deacidification rate of idesia oil reached 95.86%.After deacidification,the physical and chemical indexes of idesia oil were significantly improved except the peroxide value,and the fatty acid composition and total tocopherol content did not change significantly.
作者
章乾
宋明发
常云鹤
许粟
王民黔
马立志
ZHANG Qian;SONG Ming-fa;CHANG Yun-he;XU Su;WANG Min-qian;MA Li-zhi(Food and Pharmaceutical Engineering Institute,Guiyang University,Guiyang 550005,Guizhou,China;Guiyang Institite of Information Science and Technology,Guiyang 550025,Guizhou,China;Guizhou Engineering Research Center for Fruit Processing,Guiyang 550005,Guizhou,China;Guizhou Collaborative Innovation Center for Fruit Processing,Storage and Safety Control,Guiyang 550005,Guizhou,China;Guizhou Renhuai Xinhuafeng Agricultural Development Co.,Ltd.,Zunyi 564500,Guizhou,China)
出处
《粮食与油脂》
北大核心
2022年第7期72-76,92,共6页
Cereals & Oils
基金
贵州省果品加工、贮藏与安全控制协同创新中心项目(20130355110)
贵州省果品加工工程技术研究中心项目建设(黔科合农G字[2011]4001号)
贵阳市科技局贵阳学院专项基金(GYU-KY-[2021])
贵阳学院研究生科研基金(GYU-YJS-[2019]-17)。
关键词
山桐子油
碱炼脱酸
正交优化
品质分析
idesia oil
alkali refining
orthogonal optimization
quality analysis
