| 程海涛，申献双.响应面优化大豆粕合成N-椰子油酰基复合氨基酸工艺研究[J].中国油脂,2017,42(10):.[CHENG Haitao，SHEN Xianshuang.Optimization of synthesis of N-coconut oil acyl composite amino acids from soybean meal by response surface methodology[J].China Oils and Fats,2017,42(10):.] |
| 响应面优化大豆粕合成N-椰子油酰基复合氨基酸工艺研究 |
| Optimization of synthesis of N-coconut oil acyl composite amino acids from soybean meal by response surface methodology |
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| DOI： |
| 中文关键词: 大豆粕 N-椰子油酰基复合氨基酸 响应面法 |
| 英文关键词:soybean meal N-coconut oil acyl composite amino acids response surface methodology |
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| 摘要点击次数: 1270 |
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| 中文摘要: |
| 以大豆粕为原料，采用加压酸解的工艺制备了复合氨基酸溶液，再与椰油酰氯反应合成了N-椰子油酰基复合氨基酸表面活性剂。研究了复合氨基酸溶液与椰油酰氯体积比、pH、反应温度、丙酮与复合氨基酸溶液体积比、反应时间对产物产率的影响，以单因素试验为基础，利用响应面法优化了工艺条件，并对酰化产物的表面活性性能进行了测定。结果表明，响应面优化大豆粕合成N-椰子油酰基复合氨基酸工艺条件为: 复合氨基酸溶液与椰油酰氯体积比4.2∶?1，pH 11.2，反应温度36℃，丙酮与复合氨基酸溶液体积比1.7∶1，反应时间2 h。在最优工艺条件下产物产率为91.07%，产物表面活性性能良好。 |
| 英文摘要: |
| With soybean meal as raw material, composite amino acids solution was prepared by acid hydrolysis under pressure, and N-coconut oil acyl composite amino acids surfactant were synthesized from cocoyl chloride and composite amino acids solution. The effects of volume ratio of composite amino acids solution to cocoyl chloride, pH, reaction temperature, volume ratio of acetone to composite amino acids mixed solution, and reaction time on the product yield were studied. Based on single factor experiment, the process conditions were optimized using response surface methodology, and the surface activity of the acylated product was determined. The results showed that the optimal process conditions of synthesis of N-coconut oil acyl composite amino acids from soybean meal were obtained as follows: volume ratio of composite amino acids solution to cocoyl chloride 4.2∶1, pH 11.2, reaction temperature 36℃, volume ratio of acetone to composite amino acids solution 1.7∶1, and reaction time 2 h. Under the optimal conditions, the product yield was 91.07% and the surface activity of the product was superior. |
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