麻疯树籽提油工艺优化及籽粕中粗蛋白质含量分析

doi:10.16431/j.cnki.1671-7236.2017.10.017

摘要/Abstract

摘要：

试验旨在优化麻疯树籽提油工艺并分析其籽粕中粗蛋白质含量，以提油率、提油后籽粕中粗蛋白质含量为优化指标，探讨料液比、温度、时间3个因素对麻疯树籽提油率及籽粕中粗蛋白质含量的影响，并结合正交试验获得麻疯树籽提油的最佳工艺参数。单因素试验结果表明，料液比为1∶18、温度为40℃、提取时间30 min时，提油率达到最高，分别为38.22%、32.21%及34.13%。方差分析结果表明，各因素影响提油率的主次顺序为温度 > 料液比 > 提取时间，其中温度和料液比对提油率的影响极显著（P < 0.01），提取时间对提油率无显著影响（P > 0.05）；影响籽粕粗蛋白质的主次顺序为温度 > 提取时间 > 料液比，其中温度对籽粕粗蛋白质含量的影响极显著（P < 0.01），提取时间对籽粕粗蛋白质含量的影响显著（P < 0.05）。正交试验结果表明，麻疯树籽最佳提油工艺组合为A₃B₃C₃，即在料液比为1∶22、温度为50℃、时间为50 min的最佳工艺条件下，提油率为39.41%，籽粕粗蛋白质为24.13%。本研究为麻疯树籽提油及提油后籽粕的开发应用提供了理论依据。

关键词: 麻疯树籽; 提油工艺; 提油率; 麻疯树籽粕; 粗蛋白质

Abstract:

The test was aimed to optimize the oil extraction process from Jatropha curcas seed and analyzed the crude protein content in meal.Jatropha curcas seeds were selected as the experimental material,and the effects of solid to liquid ratio,temperature and extraction time on the oil extraction rate and crude protein content of meal were investigated and optimized. The results of single factor test showed that when the solid to liquid ratio was 1:18,the temperature was 40℃ and extraction time was 30 min,the oil extraction rate was highest which was the 38.22%,32.21% and 34.13%,respectively. The variance analysis results showed that the order of factors that affected the oil extraction rate were temperature > solid to liquid ratio > extraction time. The effects of temperature and solid to liquid ratio were extremely significant (P < 0.01).The extraction time did not have a significant effect on oil extraction rate (P > 0.05).The order of factors that affected the crude protein content in seed meal were temperature > extraction time > solid to liquid ratio. The effect of temperature was extremely significant (P < 0.01) and that of the extraction time was significant (P < 0.05). The results of orthogonal experiment showed that the optimal extraction conditions was A₃B₃C₃ of which the solid to liquid ratio was 1:22,temperature was 50℃ and extraction time was 50 min. The oil extraction rate was 39.41%,and the crude protein was 24.13% under this condition. This study provided the theoretical basis for the development and application of Jatropha curcas seed.

Key words: Jatropha curcas seed; oil extraction process; oil extraction rate; Jatropha curcas meal; crude protein

中图分类号:

S816.4

谢瞰, 熊春梅, 方欐圆, 蒋婵, 雷福红, 欧阳吾乐, 郭爱伟. 麻疯树籽提油工艺优化及籽粕中粗蛋白质含量分析[J]. 《中国畜牧兽医》, 2017, 44(10): 2951-2956.

XIE Kan, XIONG Chun-mei, FANG Li-yuan, JIANG Chan, LEI Fu-hong, OUYANG Wu-le, GUO Ai-wei. Optimization of Oil Extraction Process from Jatropha curcas Seed and the Analysis of Crude Protein Content in Meal[J]. , 2017, 44(10): 2951-2956.

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