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尿素包合法提取黑莓天然维生素E的工艺条件优化 被引量:1

Optimization of process conditions for extraction of blackberry natural vitamin E by urea complexion method
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摘要 目的优化尿素包合法提取黑莓中天然维生素E的工艺条件条件。方法采用尿素包合法从黑莓种籽油中提取天然维生素E,通过单因素试验及正交试验,确定最佳工艺参数。结果最佳工艺参数为尿素与油脂的质量比3:1,加热时间30 min,加热温度50℃,乙醇浓度95%,冷析时间4 h,冷析温度0℃。在此工艺条件下得到的提取物中,维生素E含量可达3.21%。结论本方法可有效提取黑莓中的维生素E。 Objective To optimize the process conditions for the extraction of natural vitamin E from blackberry by urea complexion method. Methods The natural vitamin E was extracted from the blackberry seed oil by urea complexion, and the optimal process parameters were determined by single factor test and orthogonal test. Results The optimum process parameters were mass ratio of urea to grease of 3:1, heating time of 30 min, heating temperature of 50 ℃, ethanol concentration of 95%, cold settling time of 4 h, and cold settling temperature of 0 ℃. The extract obtained under the conditions of the process had a vitamin E content of 3.21%. Conclusion This method can effectively extract vitamin E from blackberries.
作者 李维林 邓锡 崔恩惠 方亮 赵慧芳 吴文龙 LI Wei-Lin;DENG Xi;CUI En-Hui;FANG Liang;ZHAO Hui-Fang;WU Wen-Long(Co-Innovation Center for the Sustainable Forestry in Southern China,College of Forestry,Nanjing Forestry University,Nanjing 210037,China;Institute of Botany,Jiangsu Province and Chinese Academy of Sciences,Nanjing 210014,China)
出处 《食品安全质量检测学报》 CAS 2019年第19期6689-6695,共7页 Journal of Food Safety and Quality
关键词 黑莓 提取 维生素E 尿素包合法 blackberry extract vitamin E urea complexion
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