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以超临界CO2萃取的核桃油为原料,采用均匀试验设计优化其精炼工艺。结果表明:脱酸最适条件为:加碱浓度11.06%,超碱量0.1%,初温45℃,终温80℃;脱色最适条件:活性炭3%,脱色温度85℃,搅拌速度90 r/min,脱色时间50min;脱臭最适条件:温度80℃减压蒸馏脱臭1 h。经过精炼的核桃符合我国粮油行业有关核桃油的标准(GB/T 22327-2008)要求。
Abstract：The process of refining walnut oil extracted by supercritical CO 2 was studied using Uniform design method. The results showed that the optimum technological parameter of deacidification were as follows: 11. 06% alkali,0. 1% ultra- alkali,45 ℃ the initial neutralization temperature,80 ℃ the final neutralization temperature. The decoloration process was stirring speed of 90 r / min for 50 min,with absorbite at 85 ℃. The deodorization by vacuum distillation was at 80 ℃ for 1h. After refining,the walnut oil qualified the standards of GB / T 22327- 2008.
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基本信息:
中图分类号:TS225.19
引用信息:
[1]张丽,宋丽军,曹静洁,等.均匀试验设计在超临界CO_2萃取核桃油精炼中的应用[J].塔里木大学学报,2013,25(04):64-69.
基金信息:
国家级大学生创新创业项目(TDGCX201246);; 新疆兵团工业科技计划项目(2012BA011);; 国家级大学生创新创业项目(201310757009)
2013-12-15
2013-12-15