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以青海省都兰县、青海省柴达木、内蒙古化德县三个旱寒地区黑枸杞为试验材料,采用高效液相色谱-电喷雾-三重四级质谱法(HPLC-ESI-TSQ/MS)分析黑枸杞花青素的成分及种类,并考察黑枸杞花青素的抗氧化能力。结果表明,三个地区黑枸杞均含有2种花青素和3种花色苷,但不同地区黑枸杞的花青素含量差异较大,化德县黑枸杞总花青素含量最高40.078 mg/L;化德县黑枸杞花青素清除DPPH·、·O2-能力最强,分别2.24、3.27 mg/mL,三地黑枸杞花青素清除·OH能力相近,其中柴达木的黑枸杞花青素清除·OH能力最强,为4.11 mg/mL。三地黑枸杞花青素清DPPH·的能力,均显著高于清除·OH、·O2-的能力,且自由基清除率与提取液的浓度呈量效关系。本研究初步阐明3种旱寒地域黑枸杞花青素成分特征及其抗氧化活性差异,为我国黑果枸杞资源的开发与利用提供依据。
Abstract:Black wolfberry(Lycium ruthenicum Murr.) from three typical cold and drought areas--Dulan county and Qaidam county of Qinghai province,and Huade county of Inner Mongolia--were selected as experimental materials. Anthocyanin components and types were analyzed using high performance liquid chromatography-electrospray ionization-triple stage quadrupole/mass spectrometer( HPLC-ESI-TSQ/MS). Antioxidant capacities of anthocyanins were assessed. The results showed that two types of anthocyanins and three types of anthocyanins glycosides were detected in black wolfberry from all three regions. However,significant regional differences were observed in anthocyanidins content. The highest total anthocyanidins content was found in Huade county(40.078 mg/L). Samples from Huade showed the highest DPPH· and ·O2-scavenging ability of 2.24,3.27 mg/mL,respectively. In terms of ·OH radical scavenging ability,the Qaidam sample exhibited the strongest effect(4.11 mg/mL). All three samples demonstrated significantly stronger DPPH· scavenging activity compared to ·OH and ·O2-free radical. and the radical scavenging rates showed a dose-effect relationship with extract concentration. This study provides preliminarily insights into anthocyanidins composition and antioxidant variations of black wolfberry grown in different cold and arid regions,offering a scientific foundation for the targeted development and utilization of black wolfberry resources in China.
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基本信息:
DOI:10.19804/j.issn1006-2513.2025.11.002
中图分类号:TS264.4
引用信息:
[1]王海歌,李嘉俊,叶堃鑫,等.不同寒旱地域黑枸杞花青素成分及抗氧化性分析[J].中国食品添加剂,2025,36(11):8-15.DOI:10.19804/j.issn1006-2513.2025.11.002.
基金信息:
内蒙古自治区科技厅、财政厅批准立项“科尔沁沙地黑果枸杞秸秆营养钵育苗种植技术集成与示范”2018科技创新引导资金项目(KCBJ2018027)