摘要
目的:为获得能够满足孕妇对必需脂肪酸需求的产妇玉米调和油的最佳配比及调配工艺。方法:本文以玉米油和亚麻油为原料,气相色谱-质谱法(GC-MS)检测了玉米油和亚麻油中的脂肪酸含量,并利用数学模型计算和正交实验设计,对脂肪酸配比和调配因素进行了优化。结果:获得产妇玉米调和油最佳配比关系为:玉米油占80%,亚麻油占20%,其中共有5种脂肪酸,分别为棕榈酸(3.24±0.06)g/100 g、油酸(21.03±0.36)g/100 g、亚油酸(41.52±0.31)g/100 g、亚麻酸(9.93±0.19)g/100 g和花生酸(0.79±0.02)g/100 g;通过单因素及正交实验结果优化出最佳调配工艺:调配时间为20 min,调配温度为30℃,转速为75 r/min,此时测得的碘值是(110.84±1.64)g/100 g,过氧化值是(1.876±0.037)mmol/kg。结论:该调配比例可以更好地满足孕妇对ω-3脂肪酸需求,调配工艺简便快捷,可为今后大规模生产提供一定理论依据。
Purpose： To meet the special demand of essential fatty acids for parturient,the ratio of fatty acids and the blend process were optimized in this study.Method： Corn oil and linseed oil were used as raw materials,and the content of fatty acid of corn oil and linseed oil was determinate by gas chromatography-mass spectrometry（ GC-MS）.And then,the ratio of fatty acids and the blend factors were optimized by mathematical model and orthogonal experimental.Result： The formulation of parturient corn blend oil was optimized by mathematical model,which was consisted of 80% corn oil and 20% linseed oil.Meanwhile,the parturient corn blend oil contained five kinds of fatty acids,including palmitic acid（ 3.24 ± 0.06） g/100 g,oleic acid（ 21.03 ±0.36） g/100 g,linoleic acid（ 41.52 ± 0.31） g/100 g,linolenic acid（ 9.93 ± 0.19） g/100 g and arachidic acid（ 0.79 ±0.02） g/100 g. The optimal process of parturient blend oil was obtained by the results of single factor and orthogonal test,which displayed as follows： 20 min,30 ℃,75 r/min. The iodine value was（ 110.84 ± 1.64） g/100 g,while the peroxide value was（ 1.876 ± 0.037） mmol/kg. Conclusion： This ratio of fatty acids could meet the needs of ω-3 or the parturient better. The blend process was convenient and feasible,which could provide theoretical references for the Industrial production.
出处
《食品工业科技》
CAS
CSCD
北大核心
2018年第3期167-171,178,共6页
Science and Technology of Food Industry
基金
吉林省科技发展计划项目(20140201009NY)
吉林省营养与功能食品重点实验室(20160622030JC)
关键词
产妇玉米调和油
亚麻油
气相色谱-质谱法
碘值
过氧化值
parturient corn blend oil
linseed oil
gas chromatography-mass spectrometry
iodine value
peroxide value
