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响应面优化微波辅助法提取刺梨水不溶性膳食纤维工艺 被引量:2

Optimization of microwave-assisted extraction of insoluble dietary fiber(IDF) from Rosa roxburghii by response surface method
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摘要 以刺梨为原材料,采用微波辅助法提取刺梨水不溶性膳食纤维。在单因素实验的基础上,采用Design—ExpertV8.0.6软件设计响应面实验优化微波辅助法提取刺梨中水不溶性膳食纤维(IDF)的工艺。结果表明:影响微波辅助法提取IDF得率的主次因素为:提取温度〉微波功率强度〉液料比〉微波时间。微波辅助提取剌梨IDF的最佳工艺参数为微波功率强度345W/g,提取温度:63℃,微波时间:12min,液料比:20mL/g,此条件下刺梨IDF得率可达80.02%,与IDF得率理论值比较,其相对误差约为0.22%,且重复性好,验证了数学模型的准确可靠性。 Insoluble dietary fiber (IDF)was extracted from Rosa roxburghii by microwave-assisted extraction method.Based on the results of single factor experiments,the extraction procedure was optimized using response surface methodology( RSM) and Design-Expert V8.0.6 software.The order of influencing factors of IDF yield was: extraction temperature 〉 the power of microwave 〉 liquid-to-solid ratio 〉 microwave-assisted extraction time.The optimum extraction conditions were as follows:the microwave power of 345 W/g;extraction temperature of 63 ~C; microwave-assisted extraction time of 12 mini and liquid-to- solid ratio of 20 mL/g. Under the above optimum extraction conditions, the actual yield of IDF from Rosa roxburghii was 80.02%.The relative standard deviation between theoretical and practical yields was 0.22% and the results demonstrated a good reproducibility,indicating the effectiveness and reliability of RSM model.
作者 卢忠英 鲁道旺 陈仕学 姚元勇 LU Zhong- ying, LU Dao- wang, CHEN Shi- xue, YAO Yuan- yong (Institute of Material and Chemical Engineering,Tongren University,Tongren 554300, China)
出处 《食品工业科技》 CAS CSCD 北大核心 2016年第17期195-199,共5页 Science and Technology of Food Industry
基金 梵净山特色苗药资源保护与开发产学研基地(黔教合KY字[2014]233) 教育厅省级重点支持学科(黔学位合字ZDxk[2015]34号.
关键词 刺梨 微波辅助法 响应面 水不溶性膳食纤维 Rosa roxburghfi microwave assisted response surface water insoluble dietary fiber
作者简介 卢忠英(1987-),女,硕士,讲师,研究方向:天然药物化学成分与新药研发,E-mail:luzhongying@126.com。
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