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投稿时间：2021-01-12
投稿时间：2021-01-12
中文摘要: 以新疆焉耆干红辣椒为研究对象，重点探究干燥方式与筛选目数对辣椒红素得率及色价的影响机制，从而确定最优化预处理工艺。结果表明，辣椒红素的得率和色价随着粒径尺寸的增大而减小，表面能增加，浸出速度加快，提取效率增加，但是粒径过小会造成颗粒表面积过大，吸附作用增强，从而降低扩散速度，阻碍辣椒红素色素浸出，从而确定最优化筛选目数为20目。原料通过热风干燥（70℃、4 h）所提取的辣椒红素的得率和色价分别为1.23%、68.20，优于真空冷冻干燥最优化条件（48 h）下的1.00%、55.78。综合考虑辣椒红素产业化产品质量与生产成本，最优预处理工艺选择热风70℃条件下干燥4 h。
Abstract:The red chilli from Xinjiang Yanqi was selected as the object to investigate the effects of different drying methods and particle size on the yield and color value of extracted capsanthin so as to determine the optimal pre-treatment conditions.The results showed that the yield and color value of capsanthin decreased with the increase of particle size，the surface energy increased，the leaching speed accelerated and the extraction efficiency increased.However，too small patricle size would lead to too large particle surface area and enhanced adsorption，so as to reduce the diffusion speed and hinder the leaching of capsanthin pigment.Therefore，it was determined that the optimal screening mesh was 20 mesh.The yield and color value of extracted capsanthin heat-dried at 70 ℃ for 4 h was 1.23% and 68.20，respectively.The values exceeded those following freeze-drying for 48 h（1.00% and 55.78）.Taking into account the quality and production cost of capsanthin industrialized products，heat-drying at 70 ℃ for 4 h was the optimal pre-treatment.
keywords: capsanthin color value yield drying methods particle size
文章编号：202120016 中图分类号： 文献标志码：
基金项目:亚洲合作基金（125163012000200012）；中国热带农业科学院基本科研业务费专项资金（1630122017018、1630122017015）；广东省现代农业产业技术体系创新团队项目（2019KJ117）
| 作者 | 单位 |
| 李甜甜，王飞，权乔凤，韩志萍，李亚会，林意雯，李积华 | 华中农业大学食品科学技术学院，湖北武汉430000；中国热带农业科学院农产品加工研究所，广东湛江524001；海南省果蔬贮藏与加工重点实验室，广东湛江524001；海南省种子总站，海南海口570100；岭南师范学院，广东湛江524001 |
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