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首页> 外文期刊>Journal of Applied Polymer Science >Microencapsulation of tea tree oil by spray-drying with methyl cellulose as the emulsifier and wall material together with chitosan/alginate
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Microencapsulation of tea tree oil by spray-drying with methyl cellulose as the emulsifier and wall material together with chitosan/alginate

机译：用甲基纤维素作为乳化剂和壁材料喷雾干燥茶树油微胶囊和壳聚糖/藻酸盐

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Amphiphilic methyl cellulose (MC) was used as the emulsifier and the internal wall material to increase the microencapsulation efficiency (ME) of tea tree oil (TTO) and the stability of the emulsion for spray-drying. The results of microscopy images, zeta potential, and microencapsulation efficiency indicated that the wall material components affected the morphology, stability, and ME of the microcapsules. The microcapsules with the wall materials of MC/chitosan (CTS)/alginate (ALG) were spherical and had higher ME than those with monocomponent or bicomponents of MC, CTS, or ALG, or triple components of MC/ALG/CTS. Spray drying conditions were optimized to find the optimum microencapsulation conditions. The highest ME 89.4% and the highest oil embedding rate (ER) 90.4% were obtained through spray-dying the emulsion of 0.8 mL TTO embraced by 0.4 g MC, 0.6 g CTS, and 3 g ALG at the drying conditions of inlet air temperature 210 degrees C, needling frequency 2 s, and pump flow rate 55 r/min. Microencapsulation obviously decreased the release of TTO. (C) 2016 Wiley Periodicals, Inc.
机译：两亲甲基纤维素（MC）用作乳化剂和内壁材料，以增加茶树油（TTO）的微胶囊效率（ME），以及喷雾干燥的稳定性。显微镜图像，Zeta电位和微胶囊效率的结果表明，壁材料成分影响了微胶囊的形态，稳定性和我。具有MC / Chotosan（CTS）/藻酸盐（ALG）的微胶囊是球形的，比MC，CTS或ALG的单一组分或双组分，或MC / ALG / CTS的三重组分具有较高的微胶囊。优化喷雾干燥条件以找到最佳的微胶囊化条件。通过在入口空气温度的干燥条件下喷射0.4g mc，0.6g CTS和3g ALG的0.4g MC，0.6g CTS和3g ALG，通过将0.8ml TTO的乳液喷雾染色，获得最高的90.4％（ER）90.4％。 210℃，针刺频率2s，泵流量55 r / min。微胶囊化明显减少了TTO的释放。 （c）2016 Wiley期刊，Inc。

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