In recent years, wormwood has been successfully applied in various fields, such as flavouring agent, plant dye, insect repellent and medical product. Wormwood oil encapsulated microcapsules with continuous release behaviours would be further applied in the health care textiles. Here, wormwood oil encapsulated microcapsules with different core-wall materials ratios (gelatine: gum arabic: wormwood oil = 1:1:1, 1:1:2, 1:1:3, 1:1:4) were fabricated. The morphology and physicochemical properties of microcapsules were explored by scanning electron microscopy, ultrasonic wave particle size analysis, thermo gravimetric analysis and so on. The size analysis results indicated that the microcapsule diameter could be controlled less than 1 um. In vitro testing showed that the microcapsules were capable of extending the releasing period to over 6 days. The thermo gravimetric analysis proved that microcapsules had superior thermal stability compared with pure wormwood oil, showing broad application prospects in functional health care textile.

中文翻译：

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含艾草油的微胶囊的制备与表征。

近年来，艾草已成功应用于调味剂，植物染料，驱虫剂和医疗产品等各个领域。具有连续释放行为的艾草油包裹的微胶囊将进一步应用于保健纺织品。在这里，制备了具有不同芯壁材料比率（明胶：阿拉伯树胶：艾草油＝ 1∶1∶1、1∶1∶2、1∶1∶3、1∶1∶4）的艾草油包封的微胶囊。通过扫描电子显微镜，超声波粒度分析，热重分析等方法研究了微胶囊的形貌和理化性质。尺寸分析结果表明，微胶囊直径可以控制在1um以下。体外测试表明，微胶囊能够将释放期延长至超过6天。