植物学报 ›› 2018, Vol. 53 ›› Issue (3): 341-352.DOI: 10.11983/CBB17103

所属专题: 药用植物专辑 (2018年53卷3期)

• 技术方法 • 上一篇    下一篇

淫羊藿生物碱的超声波-微波协同提取及其 对HeLa细胞的抑制作用

李璐1, 安叶娟1, 乔春雷1, 杨晓华2,*(), 张华峰1,*(), 薛梦莹1   

  1. 1陕西师范大学食品工程与营养科学学院, 西北濒危药材资源开发国家工程实验室, 中俄食品与健康科学国际联合研究中心, 西安 710119
    2西安交通大学医学部, 卫生部法医学重点实验室, 西安 710061
  • 收稿日期:2017-05-23 接受日期:2017-08-30 出版日期:2018-05-01 发布日期:2018-09-11
  • 通讯作者: 杨晓华,张华峰
  • 基金资助:
    中央高校基本科研业务费专项资金(No.GK2016CSZ008, No.GK201703076)、陕西省科技合作项目(No.2014SJ-01, No.2014SJ- 08)和陕西省科学技术研究发展计划(No.2016SF-350)

Ultrasound-microwave-assisted Extraction of Alkaloids from Epimedium brevicornum and Their Inhibitory Effect on HeLa Cells

Li Lu1, An Yejuan1, Qiao Chunlei1, Yang Xiaohua2,*(), Zhang Huafeng1,*(), Xue Mengying1   

  1. 1International Joint Research Center of Shaanxi Province for Food and Health Sciences, National Engineering Laboratory for Resources Development of Endangered Crude Drugs in Northwest China, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China;
    2Key Laboratory of Ministry of Health for Forensic Sciences, School of Medicine, Xi'an Jiaotong University, Xi’an 710061, China;
  • Received:2017-05-23 Accepted:2017-08-30 Online:2018-05-01 Published:2018-09-11
  • Contact: Yang Xiaohua,Zhang Huafeng

摘要: 建立了药用植物心叶淫羊藿(Epimedium brevicornum)生物碱的超声波-微波协同提取工艺, 探讨了提取机理, 分析了生物碱的化学组成及其对人宫颈癌HeLa细胞增殖的抑制作用。采用正交试验法优化得到了淫羊藿生物碱的超声波-微波协同提取工艺: 浸泡时间为40分钟, 超声波-微波协同作用18分钟, 微波功率250 J∙s-1, 液固比为30 mL∙g-1, 乙醇溶液浓度为70%。超声波-微波协同提取法的提取率可达16.146 mg∙g-1, 显著高于超声波提取法、微波提取法和加热提取法。扫描电子显微镜观察结果表明, 超声波-微波协同作用可使淫羊藿叶片样品表面出现大量裂隙。激光粒度分析显示, 超声波-微波协同提取后, 中、低粒度范围的样品量明显增多, 而高粒度范围的样品量明显减少。薄层色谱和高效液相色谱分析结果表明, 淫羊藿生物碱含有木兰花碱, 不含小檗碱或含量很低。淫羊藿生物碱对HeLa细胞的增殖具有明显的抑制作用, 并且呈现出剂量依赖性。研究结果为药用植物淫羊藿资源的开发利用提供理论依据。

关键词: 心叶淫羊藿, 生物碱, 超声波-微波协同提取, 机理, HeLa细胞

Abstract: A protocol of ultrasound-microwave-assisted extraction was developed to isolate alkaloids from the medicinal plant Epimedium brevicornum, and the extraction mechanism is discussed. The chemical composition of the alkaloid extract was analyzed. The inhibitory effect of E. brevicornum alkaloids on human cervical cancer HeLa cells was investigated. The optimal condition for ultrasound-microwave-assisted extraction of E. brevicornum alkaloids was achieved by using an orthogonal test: steeped time, 40 min; ultrasound-microwave time, 18 min; microwave power, 250 J∙s-1; liquid-to-solid ratio, 30 mL∙g-1; and ethanol concentration, 70%. Extraction yield of alkaloids by ultrasound- microwave-assisted extraction reached 16.146 mg∙g-1, which was significantly higher than that by ultrasound-assisted extraction, microwave-assisted extraction and heating extraction. Scanning electron micrographs showed that the synergism between the ultrasound and microwave resulted in many interstices on the surface of leaf samples of E. brevicornum. Laser diffraction particle sizing analysis revealed that the amount of small and medium particles of leaf samples increased and that of large particles decreased after ultrasound-microwave-assisted extraction. Thin-layer chromatography and high-performance liquid chromatography revealed that the alkaloid extract contained magnoflorine, and berberine was not detectable. E. brevicornum alkaloids exhibited a significant dose-dependent inhibitory activity against human cervical cancer HeLa cells. The present research may be helpful for the exploitation and utilization of Epimedium resources.

Key words: Epimedium brevicornum, alkaloids, ultrasound-microwave-assisted extraction, mechanism, HeLa cells