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当前位置: 首页 > 文章 > 葡萄酿酒皮渣中葡萄籽油提取及微胶囊产品制备 宁夏农林科技 2018 (12) 100-104
Position: Home > Articles > Extraction and Microencapsulation of Grape Seed Oil in Grape Pomace after Wine-making JOURNAL OF NINGXIA AGRICULTURE AND FORESTRY SCIENCE AND TECHNOLOGY 2018 (12) 100-104

葡萄酿酒皮渣中葡萄籽油提取及微胶囊产品制备

作  者：
邓少颖;陈青;田莉;何斌;朱银龙;王梦泽;徐美隆
单  位：
宁夏林业研究院股份有限公司种苗生物工程国家重点实验室;宁夏森淼枸杞科技开发有限公司
关键词：
葡萄皮渣;葡萄籽油;锐孔法;微胶囊
摘  要：
以葡萄酿酒皮渣为原料,研究葡萄籽油超临界CO2萃取技术以及葡萄籽油微胶囊的制备。结果表明:随着萃取压力、萃取时间的增加,葡萄籽油的萃取率显著提高;随着萃取温度、粉碎粒度的增加,葡萄籽油的萃取率先显著增加后显著降低。采用锐孔法制备葡萄籽油微胶囊产品,最佳工艺参数为:海藻酸钠质量分数为3.2%,CaCl2浓度为5%,芯壁比1∶6(g/g),壳聚糖浓度0.8%。最佳工艺条件下锐孔法制备微胶囊的包埋率为84%,微胶囊化有助于提高葡萄籽油的稳定性。
译  名：
Extraction and Microencapsulation of Grape Seed Oil in Grape Pomace after Wine-making
作  者：
DENG Shao-ying;Ningxia Forestry Institute Co., Ltd., State Key Laboratory of the Seedling Bioengineering;
关键词：
Grape pomace;;Grape seed oil;;Orifice method;;Microencapsulation
摘  要：
Taking the grape pomace as raw materials, this paper studied the supercritical CO2 extraction technology of grape seed oil and microencapsulation. The results showed that the extraction rate increased significantly with the increase of extraction pressure and time. As the extraction temperature and crushing particle size increased, the extraction rate increased obviously in the first stage and then decreased remarkably in the last stage. The orifice method was used to prepare grape seed oil microcapsule. The optimum process parameters were as follows: 3.2% of sodium alginate concentration, 5% of CaCl2 concentration,(1:6)(g/g) ratio of core to wall and 0.8% chitosan concentration. The microcapsule embedding rate was 84% under the optimum conditions. The microencapsulation could improve the stability of grape seed oil.

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