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超高效液质联用技术解析黑果枸杞超临界CO2萃取物中黄酮类天然产物结构

束彤1,丁丽娜2,王茜1,贾彩惠1,邱亦亦3,阮晖3   

  1. 1. 青海省食品检验检测院
    2. 浙江大学
    3. 浙江大学生物系统工程与食品科学学院
  • 收稿日期:2019-05-06 修回日期:2020-02-17 出版日期:2020-05-25 发布日期:2020-05-15
  • 通讯作者: 阮晖 E-mail:andrewhruan@zju.edu.cn
  • 基金资助:
    青海省科技计划;浙江省科技计划

Determination of Flavonoids in the Supercritical CO2 Extract of Black Goji Fruit by Using Ultra-High Performance Liquid Chromatography and Mass Spectrometry

1,Li NaDING 1, 1, 1,Hui Ruan   

  • Received:2019-05-06 Revised:2020-02-17 Online:2020-05-25 Published:2020-05-15
  • Contact: Hui Ruan E-mail:andrewhruan@zju.edu.cn

摘要: 解析黑果枸杞中黄酮组分及其结构对于其高值化开发具有重要意义。以青海柴达木黑枸杞作为研究材料,对其超临界CO2萃取物,通过超高效液质联用技术(ultra-high performance liquid chromatography & mass spectrometry,UPLC-MS)和Peakview色谱工作站拟合、二级质谱解析和紫外光谱及质谱数据比对,解析其中的黄酮组分及其结构。共鉴定出黑果枸杞果超临界CO2萃取物中含有13种黄酮类化合物(7种黄酮醇苷元及黄酮醇苷,3种二氢黄酮醇苷元,2种黄酮苷元和1种二氢黄酮苷元),包括芦丁、槲皮素-3-β-葡萄糖醛酸苷、金丝桃苷即槲皮素-3-O-吡喃半乳糖苷、二氢槲皮素、二氢异鼠李素、二氢山奈酚、槲皮素、芹菜素、橙皮素、苜蓿素、山奈酚、异鼠李素、山奈素,其中橙皮素和苜蓿素之前在黑果枸杞未被发现过。

关键词: 黑果枸杞, 黄酮, 超临界CO2萃取物, 超高效液相色谱-质谱联用

Abstract: It is of great significance for developing high-valued black goji products to determine its flavonoid composition and structures. The supercritical CO2 extract of black goji was analyzed by ultra-high performance liquid chromatography & mass spectrometry (UPLC-MS), Peakview work station matching, two-dimensional mass spectrometry, ultraviolet spectrum and mass spectral data comparison, to illustrate the flavonoid composition and structures. 13 flavonoid chemicals were determined, i.e. 7 flavonol aglycones and flavonol glycosides, 3 dihydroflavonol aglycones, 2 flavonoid aglycones and 1 dihydroflavonoid aglycon, including rutin, quercetin-3-β-glucuronide, hyperoside i.e. quercetin-3-O-galactopyranoside, dihydroquercetin, dihydroisorhamnetin, dihydrogen Kaempferol, quercetin, apigenin, hesperetin, alizarin, kaempferol, isorhamnetin, kaempferide, among which hesperetin and alizarin are never found in black goji.

Key words: Black goji, Flavonoid, Supercritical CO2 extract, Ultra-high performance liquid chromatography and mass spectrometry (UPLC-MS)

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