共查询到17条相似文献,搜索用时 62 毫秒
1.
以大豆分离蛋白(SPI)、乳清分离蛋白(WPI)和麦芽糊精(MD)为壁材,紫苏油为芯材,并添加少量阿拉伯胶作为乳化剂和稳定剂,采用喷雾干燥法制备紫苏油微胶囊。以包埋率为指标,确定紫苏油微胶囊的最佳工艺配方。研究结果表明,紫苏油微胶囊制备的最佳配方:SPI、WPI和MD质量比为2∶1∶2,芯壁材质量比为2∶3,阿拉伯胶的添加量为总固形物含量的3%,固形物浓度为20%。在此工艺配方下,紫苏油微胶囊的包埋率可达到91.23%,表面含油率为3.13%。扫描电镜观察结果表明,微胶囊表面结构完整致密无裂缝。 相似文献
2.
3.
以阿拉伯胶和麦芽糊精为壁材,以无花果的乙醇提取物为芯材,用喷雾干燥法制取无花果微胶囊粉。通过正交试验分析,确定了最佳生产工艺条件:芯材与壁材的比例为1:4,阿拉伯胶与麦芽糊精的比例为1:1,固形物浓度为30%,乳化剂用量为0.3%,30 MPa均质2遍,进风温度为200℃,出风温度为81℃。生产出的微胶囊无花果粉色泽、溶解性好,水、表面油含量低,无甚粘壁现象,适合于工业化生产。 相似文献
4.
5.
6.
7.
8.
9.
10.
均质压力及喷雾干燥温度对鱼油微胶囊化的影响 总被引:3,自引:0,他引:3
采用辛烯基琥珀酸酯淀粉Hi-Cap100和葡萄糖浆作为鱼油微胶囊的壁材。研究了不同均质压力下乳化液黏度、粒径和粒径分布规律,考察了不同均质压力下乳化液特性与鱼油微胶囊包埋率、表面油含量之间的相关性,探讨了喷雾干燥温度对包埋率和鱼油过氧化值(POV)的影响。研究结果表明,随着均质压力的增加,乳化液黏度和平均粒径逐渐减小,而粒径分布离散度总体呈下降趋势,在40MPa时最小,说明此时粒径分布均一性最佳;喷雾干燥温度增加时,鱼油包埋率先增后减,POV值先减后增,在进/出口温度为140℃/70℃时有最高的包埋率和最低的POV值。通过分析确定最佳工艺参数如下,均质压力为40MPa,喷雾干燥进口温度为140℃,出口温度为70℃。在上述最适工艺条件下,鱼油微胶囊平均粒径为5.97μm,表面油含量为2.03%,微胶囊化包埋率为95.6%,在扫描电镜下观察微胶囊表面和内部结构良好,具有良好的包埋效果。 相似文献
11.
Influence of Wall Material and Inlet Drying Air Temperature on the Microencapsulation of Fish Oil by Spray Drying 总被引:1,自引:0,他引:1
Mortaza Aghbashlo Hossien Mobli Ashkan Madadlou Shahin Rafiee 《Food and Bioprocess Technology》2013,6(6):1561-1569
Several single and composite milk-originated wall materials were used to microencapsulate fish oil via spray drying at various inlet drying air temperatures. Skim milk powder (SMP), whey protein concentrate, whey protein isolate (WPI), 80% WPI?+?20% milk protein concentrate, and 80% WPI?+?20% sodium caseinate (NaCas) were applied as the wall for capsules generated at drying air temperatures of 140, 160, and 180 °C. The higher the drying air temperature, the higher was the particle size, encapsulation efficiency, and peroxide value and the lower was the moisture content and bulk density. The microcapsules prepared with SMP showed the highest encapsulation efficiency and lowest peroxide value for the oil due to the presence of lactose in its chemical composition. Differential scanning calorimetry and Fourier transform infrared analyses indicated the absence of any significant interaction between SMP and fish oil. 相似文献
12.
Microencapsulation of Fish Oil Using Hydroxypropyl Methylcellulose As a Carrier Material by Spray Drying 下载免费PDF全文
Fahim T. Karim Zaidul Md. Sarker Kashif Ghafoor Fahad Y. Al‐Juhaimi Reza‐ul Jalil Mohamed B. Awang Mehrnoush Amid MD. S. Hossain H.P.S. Abdul Khalil 《Journal of Food Processing and Preservation》2016,40(2):140-153
13.
喷雾干燥工艺制备大豆异黄酮微胶囊的研究 总被引:1,自引:0,他引:1
研究喷雾干燥法制备微胶囊大豆异黄酮的工艺及技术。结果表明:制备大豆异黄酮微胶囊的最佳配方为壁材以大豆分离蛋白和麦芽糊精质量比1∶1混合、原料液固形物含量30%、芯材与壁材比例为2∶3;最佳生产工艺参数为均质压力40 MPa,喷雾干燥进风温度200℃、出风温度100℃。 相似文献
14.
M.E. Rodríduez-Huezo R. Pedroza-Islas L.A. Prado-Barragán C.I. Beristain E.J. Vernon-Carter 《Journal of food science》2004,69(7):351-359
ABSTRACT: Water-in-oil-in-water (W1/O/W2 ) multiple emulsions with 25% and 35% solids contents were spray-dried producing microcapsules with 3.9:1, 2.6:1, and 1.4:1 biopolymers blend to primary emulsion ratios and 0.25% (w/w) theoretical carotenoids concentration. Microcapsules with better morphology, encapsulation efficiency, and larger particle size were those obtained from higher biopolymers blend to primary emulsion ratios and solids content, but showed relatively higher carotenoids degradation kinetics than microcapsules made with lower biopolymers blend to primary emulsion ratios and solids content, which exhibited poorer morphology, encapsulation efficiency, and smaller particle size. Microcapsules stored at different water activities showed maximum carotenoids degradation at a water activity (aw ) of 0.628, with lower carotenoids degradation occurring at lower or higher aw . 相似文献
15.
研究了喷雾干燥法制备汉麻籽油微胶囊的生产工艺,通过正交试验,确定了制备稳定的微胶囊乳化液的参数为:大豆分离蛋白与麦芽糊精的比例为1∶1.0,心材与壁材的比例为1∶1.5,乳化液总固形物质量浓度25 mg/mL.得到的微胶囊化汉麻籽油外型近球型,粒径大小在4~7 μm左右,溶解度>90%. 相似文献
16.
喷雾干燥法制备微胶囊鸡油脂的研究 总被引:1,自引:0,他引:1
以大豆分离蛋白和麦芽糊精为壁材,采用喷雾干燥法制备微胶囊鸡油脂并考察了其氧化稳定性.通过乳状液的稳定性质指标确定壁材大豆蛋白和麦芽糊精的比例为11.通过正交试验确定鸡油脂微胶囊化工艺条件为芯材与壁材的比例为12,乳状液的固形物浓度为20%,均质压力为25 MPa,喷雾干燥的进风温度是210℃.在最佳条件下制备微胶囊鸡油脂的包埋率为89.9%.在相同的储存条件下,制得的微胶囊鸡油脂氧化稳定性好于未包埋油脂. 相似文献
17.