1.新疆医科大学 药学院,新疆 乌鲁木齐 830054
2.新疆大蒜药用研究重点实验室, 新疆 乌鲁木齐 830013
3.新疆埃乐欣生物科技有限公司,新疆 乌鲁木齐 830013
4.新疆第二医学院,新疆 克拉玛依 834000
李新霞,博士,教授,研究方向:现代分析测试技术与新药研发,E-mail:lxx6668@xjmu.edu.cn
收稿:2025-02-12,
修回:2025-03-10,
录用:2025-03-19,
纸质出版:2025-11-15
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李世颖,刘睿婷,史荣梅,杜娟,马璇,肖赵辉,张露,李建光,李新霞.大蒜硫代亚磺酸酯抗氧化活性研究及含量测定[J].分析测试学报,2025,44(11):2285-2294.
LI Shi-ying,LIU Rui-ting,SHI Rong-mei,DU Juan,MA Xuan,XIAO Zhao-hui,ZHANG Lu,LI Jian-guang,LI Xin-xia.Antioxidant Activity and Content Determination of Thiosulfinates in Garlic[J].Journal of Instrumental Analysis,2025,44(11):2285-2294.
李世颖,刘睿婷,史荣梅,杜娟,马璇,肖赵辉,张露,李建光,李新霞.大蒜硫代亚磺酸酯抗氧化活性研究及含量测定[J].分析测试学报,2025,44(11):2285-2294. DOI: 10.12452/j.fxcsxb.25021283.
LI Shi-ying,LIU Rui-ting,SHI Rong-mei,DU Juan,MA Xuan,XIAO Zhao-hui,ZHANG Lu,LI Jian-guang,LI Xin-xia.Antioxidant Activity and Content Determination of Thiosulfinates in Garlic[J].Journal of Instrumental Analysis,2025,44(11):2285-2294. DOI: 10.12452/j.fxcsxb.25021283.
通过1,1二苯基-2-三硝基苯肼(DPPH)自由基和2,2'-联氮双(3-乙基苯并噻唑啉-6-磺酸)二铵盐(ABTS)自由基清除实验评估了冻干蒜粉及蒜氨酸提取物的抗氧化能力,结果显示,经酶促反应生成的硫代亚磺酸酯对DPPH和ABTS自由基的清除率显著高于灭酶和非酶体系(
p
<
0.01);超高效液相色谱-串联质谱联用法(UPLC-MS/MS)和高效液相色谱法(HPLC)分析结果显示,硫代亚磺酸酯的产物有二甲基硫代亚磺酸酯、大蒜辣素、甲基烯丙基硫代亚磺酸酯和烯丙基甲基硫代亚磺酸酯。结合薄层色谱-生物自显影技术发现,大蒜辣素、甲基烯丙基硫代亚磺酸酯和烯丙基甲基硫代亚磺酸酯为主要的抗氧化成分。通过5,5'-二硫双(2-硝基苯甲酸)(DTNB)法测定了潜在总硫代亚磺酸酯含量,并发现其与供试品的抗氧化活性变化趋势呈正相关,且与前体物质蒜氨酸的含量直接相关。该文构建了硫代亚磺酸酯“成分-活性”的关联性研究体系,研究结果为天然抗氧化剂的开发和氧化应激相关疾病的预防及治疗策略提供了理论依据与创新方向。
This study investigated the in vitro antioxidant activity and analytical methods of thiosulfinate compounds in garlic,elucidating the relationship between antioxidant components and their structural characteristics. The antioxidant capacity of freeze-dried garlic powder and alliin extract was evaluated through 1,1-diphenyl-2-picryl-hydrazyl radical(DPPH) and 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) radical scavenging assays. The results demonstrated that thiosulfinates generated via enzymatic reactions exhibited significantly higher scavenging rates
against DPPH and ABTS radicals compared to deactivated enzyme and non-enzymatic systems (
p
<
0.01). UPLC-MS/MS and HPLC analysis identified four thiosulfinate products:dimethyl thiosulfinate,allicin,methyl allyl thiosulfinate,and allyl methyl thiosulfinate. Combined with thin-layer chromatography-bioautography,allicin,methyl allyl thiosulfinate,and allyl methyl thiosulfinate were identified as the primary antioxidant components. The 5,5'-dithiobis(2-nitrobenzoic acid) (DTNB) method was employed to determine the potential total thiosulfinate content,which showed a positive correlation with the antioxidant activity of the test samples and was directly related to the content of the precursor alliin. This study established a comprehensive research framework for investigating the “component-activity”relationship of thiosulfinates,providing theoretical foundations and innovative directions for the development of natural antioxidants and strategies for preventing and treating oxidative stress-related diseases.
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