摘要
以叶黄素油为芯材,酪蛋白酸钠、乳清粉和蔗糖为壁材,通过均质、乳化、喷雾干燥等工艺,制备叶黄素微胶囊。本文通过单因素试验,研究了蔗糖占壁材比例、芯壁比、进风温度因素对包埋率的影响,确定单因素的最优范围。并且在单因素实验的基础上,通过响应面(RSM)分析来优化工艺条件。以蔗糖占壁材比例、芯壁比、进风温度为因素,以包埋率作为响应值进行响应面回归实验分析,在喷雾干燥工艺中,影响微胶囊产率的的因素相关显著性为芯壁比>蔗糖占壁材含量>进风温度。并且确定其最佳工艺条件:蔗糖占总壁材质量为26%,芯壁比为1∶4.47,进风温度160℃,均质压力为60MPa,进料速度5mL/min,理论最佳包埋率96.18%,验证此条件下得到实际包埋率为95.83%。确定了最佳配方后,为后续的研究提供了重要的理论依据。
Lutein microcapsules were prepared by homogenization, emulsification and spray - drying using lutein oil as the core material, sodium caseinate, whey powder with sucrose were used as the wall material. The effect of sucrose concentration, the ratio of core material to wall material and inlet air temperature on embedding rate were studied by using single factor experiment and. Response surface analysis was used to optimize the process conditions including three independent variables sucrose concentration, the ratio of corematerial to wall material wall and air inlet temperature. In the spray drying process, the correlation of factor affecting the yield of microcapsules is core material/wall material weight ratio 〉 sucrose concentration 〉 inlet air temperature, and the optimal conditions were： 26% sucrose in the wall material, core material/wall material ratio of 1 ： 4. 47, inlet air temperature 160 ℃, homogenization pressure 0MPa and feeding speed 5 mL/min. The theoretical optimal embedding rate was 96. 18%, the embedding rate was 95.83%. The results provide an important theoretical basis for future study.
出处
《中国食品添加剂》
CAS
北大核心
2014年第3期163-168,共6页
China Food Additives
关键词
叶黄素
微胶囊
酪蛋白酸钠
乳清粉
蔗糖
喷雾干燥
响应面
lutein
mieroencapsulation
sodium caseinate
whey powder
sucrose
spray - drying
response surface
