| 叶英,曾波,宋明发,冯红霞.微胶囊化对山桐子油理化特性的影响[J].中国粮油学报,2025,40(6):136-142 |
| 微胶囊化对山桐子油理化特性的影响 |
| Effect of Microencapsulation on the Physicochemical Properties of Idesia polycarpa oil |
| 投稿时间：2024-08-02 修订日期：2024-12-21 |
| DOI： |
| 中文关键词: 山桐子油 微胶囊 理化特性 体外消化特性 |
| 英文关键词:Idesia polycarpa oil, Microcapsules, Physicochemical Properties, in vitro starch digestibility |
| 基金项目:贵州省科技厅科技基础计划项目（黔科合基础-ZK[2023]一般017），贵州林草发展有限公司贵阳学院资金项目（GZ-LFGS-HZ-135-002），贵州省林业科研项目（黔林科合[2024]17号）, |
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| 中文摘要: |
| 为促进山桐子油的开发和利用，以明胶和海藻酸钠为壁材，采用复凝聚法制备山桐子油微胶囊，分析其理化特性，并对其体外消化特性展开研究。结果表明，山桐子油微胶囊包埋率80.14%，含水量5.14%，堆积密度0.29 g/cm3，休止角33.49 °，溶解度35.08%，吸湿性49.81%，微胶囊具有较好的流动性能。微胶囊化技术对山桐子油脂肪酸含量具有显著影响，其中亚油酸相对含量显著增加，而棕榈酸和硬脂酸相对含量显著降低。随着热处理时间的增加，微胶囊过氧化值和酸价上升速度显著低于山桐子油，并预测在20 ℃下山桐子油货架期176 d延长至336 d，表明微胶囊化技术明显增强了山桐子油的氧化稳定性。通过体外模拟消化实验表明，微胶囊芯材大部分释放于肠液，释放率为41.56%，微胶囊化技术对山桐子油具有耐胃消化和缓释作用。 |
| 英文摘要: |
| In order to promote the development and utilization ofidesia polycarpa oil, microcapsules ofidesia polycarpa oil were prepared by complex coagulation method using gelatin and sodium alginate as wall materials, and their physical and chemical properties were analyzed, and their in vitro digestion characteristics were studied. The results showed that the microcapsules had an embedding rate of 80.14%, a water content of 5.14%, a bulk density of 0.29 g/cm3, an angle of repose of 33.49 °, a solubility of 35.08%, a hygroscopicity of 49.81%, and a good flow performance of the microcapsules. The microencapsulation technology had a significant effect on the fatty acid content of idesia polycarpa oil, in which the relative content of linoleic acid increased significantly, while the relative contents of palmitic acid and stearic acid decreased significantly. With the increase of heat treatment time, the peroxide value and acid value of microcapsules increased significantly faster than that of idesia polycarpa oil, and the shelf life of idesia polycarpa oil was predicted to be extended from 176 days to 336 days at 20 °C, indicating that the oxidation stability of idesia polycarpa oil was significantly enhanced by microencapsulation technology. The results of in vitro simulated digestion experiments showed that most of the microcapsule core material was released into intestinal fluid, with a release rate of 41.56%, and the microencapsulation technology had gastric digestion resistance and sustained release effects on idesia polycarpa oil. |
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