摘要
藻油富含对人体非常重要的多不饱和脂肪酸DHA(二十二碳六烯酸),将其制备成稳定的油/水乳化液成为其在乳品中应用的关键问题。采用蔗糖酯为乳化剂对其进行乳化包埋,研究乳化条件如乳化剂量、油水比率、pH和及均质条件对乳化液稳定性的影响。结果表明最适的乳化条件为:乳化剂添加量在5%以上,油水比1∶10(质量比,g∶g),pH>5,35 MPa压力下均质3个循环得到比较稳定的乳化液。
The preparation of stable algae oil-in-water emulsion is critical for the success of enrichment docosahexaenoic acid （DHA） in milk. The present study was undertaken to experimentally investigate the effects of different process variables on emulsion stability. The emulsion was prepared using high pressure homogenizer with sugar ester as emulsifier. The variables studied include emulsifier dosage, ratio of oil to water, and pH as well as homogenization conditions. The results showed that the optimum process conditions are：pH〉5;emulsifier dosage, 5%;oil to water ratio, 1∶10（ratio fo weight,g∶g）;homogenization pressure 35 MPa, three cycles.
出处
《食品研究与开发》
CAS
北大核心
2014年第3期51-54,共4页
Food Research and Development
关键词
乳化液
乳化剂
乳化稳定性
蔗糖酯
藻油
emulsion
emulsifiers
emulsion stability
sugar ester
algae oil
