刘志聪 郑丹萍










摘要 [目的]优化微波辅助提取潮州柑橘皮中总黄酮的工艺。[方法]采取微波辅助提取法,以乙醇浓度、料液比、微波功率和微波时间为因素,利用4因素3个水平正交试验,以总黄酮提取率作为评价指标,筛选最佳提取工艺。[结果]影响潮州柑橘皮中黄酮提取率的因素依次为微波功率、微波时间、料液比和乙醇浓度,最佳提取工艺条件为45%乙醇浓度,料液比1∶30(g∶mL),微波时间60 s,微波功率640 W,在该工艺条件下柑橘皮中总黄酮提取率可达1.173%。[结论]该研究可为潮州柑橘皮黄酮类化合物的开发利用提供科学依据。
关键词 潮州柑橘皮;微波辅助提取;总黄酮;正交试验
中图分类号 TS 209 文献标识码 A 文章编号 0517-6611(2021)23-0188-04
doi:10.3969/j.issn.0517-6611.2021.23.053
Study on Microwave-assisted Extration of Total Flavonoids from Chaozhou Citrus Peel
LIU Zhi-cong, ZHENG Dan-ping
(School of Life Sciences and Food Engineering, Hanshan Normoal Universiy,Chaozhou, Guangdong 521000)
Abstract [Objective]To optimize the microwave-assisted extraction of flavonoids from Chaozhou citrus peel. [Method]Microwave assisted extraction was used to screen the best extraction process by taking ethanol concentration, solid-liquid ratio, microwave power and microwave time as factors, using 4 factors and 3 levels orthogonal test, and taking the extraction rate of total flavonoids as the evaluation index. [Result]The main factors affecting the extraction rate of flavonoids from Chaozhou citrus peel were microwave power, microwave time, solid-liquid ratio and ethanol concentration. The optimum extraction conditions were 45% ethanol concentration, solid-liquid ratio 1∶30 (g∶mL), microwave time 60 s and microwave 640 W. Under these conditions, the extraction rate of flavonoids from citrus peel could reach 1.173%. [Conclusion]This study can provide a scientific basis for the development and utilization of flavonoids in Chaozhou citrus peel.
Key words Chaozhou citrus peel;Microwave-assisted extraction;Total flavonoids;Orthogonal test
基金项目 广东省粤东药食资源功能物质与治未病研究重点实验室(2021B1212040015)。
作者简介 刘志聪(1983—),男,广东兴宁人,实验师,硕士,从事天然活性产物研究。
收稿日期 2021-03-17;修回日期 2021-04-27
柑橘皮医学上称为陈皮,为芸香科植物柑橘成熟果实的果皮,在我國有悠久的药用历史。我国古代医学认为,柑橘皮性味辛、微温、无毒、入脾、肺经,有理气调中、燥湿消痰、行气导滞的功效,具有消炎、抗溃疡、抑菌及利胆等作用[1]。柑橘皮所含营养成分除氨基酸外,其余成分含量均高于果肉,特别是果皮中富含橙皮苷、新橙皮苷、橘皮素、川陈皮素、二晴川陈皮等黄酮类化合物[2]。黄酮类化合物(Flavonoids)在植物中广泛存在,是植物经光合作用产生的一大类次生代谢产物,作为一种功能成分,具有抗肿瘤、延缓衰老、增强心血管功能、增强免疫力、调解内分泌系统、护肝、抗炎、抗过敏、抑菌、抗病毒等功效[3]。……