Determination of Differentiating Markers in Coicis Semen From Multi-Sources Based on Structural Similarity Classification Coupled With UPCC-Xevo G2-XS QTOF.

Determination of Differentiating Markers in Coicis Semen From Multi-Sources Based on Structural Similarity Classification Coupled With UPCC-Xevo G2-XS QTOF.
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基于结构相似性分类结合UPCC-Xevo G2-XS QTOF的多源薏苡仁精液中鉴别标记的测定

DOI:
10.3389/fphar.2020.549181
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发表时间:
2020
影响因子:
5.6
通讯作者:
Wu X
Wu X
中科院分区:
医学2区
文献类型:
--
作者:
Zhu R;Xu X;Shan Q;Wang K;Cao G;Wu X

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薏苡仁是一种药用食品,来源于干燥成熟的薏苡种子。变种ma-yuan(Rom.Caill.)Stapf,禾本科的一员。脂质是其主要成分。以往文献报道,精液中含有20种甘油三酯和12种甘油二酯。然而,我们确定了三十五个甘油三酯,十六个甘油二酯,四个甘油单酯,和两个甾醇的预优化条件下的UPCC-Xevo G2-XS QTOF结合个性化的中医药数据库。此外,我们成功地测定了甘油三油酸酯含量,以评估质量差异。最后,我们通过Progenesis QI使用主成分分析,正交投影到潜在结构判别分析和LipidMaps数据库确定了9个差异标记中的7个的脂肪酸组成。此外,我们应用了一种基于软件的分类方法,这是我们团队以前开发的一种方法,用于验证和预测结构相似的化合物。我们的研究结果证实,UPCC-Xevo G2-XS QTOF结合基于软件的组分类可以作为一种有效的方法来探索潜在的种子药物脂质标记物。
Coicis semen, a medicinal food, is derived from the dried and mature seeds of Coix lacryma-jobi L. var. ma-yuen (Rom.Caill.) Stapf, a member of the Gramineae family. Lipids are its main constituents. Previous literature reported that coicis semen contains twenty triglycerides and twelve diglycerides. However, we identified thirty-five triglycerides, sixteen diglycerides, four monoglycerides, and two sterols under the preoptimized conditions of UPCC-Xevo G2-XS QTOF combined with a personalized TCM database. Furthermore, we successfully determined glycerol trioleate content to evaluate quality differences. Finally, we identified the fatty acid compositions of seven out of nine differential markers via Progenesis QI using principal component analysis, orthogonal projection to latent structures–discriminant analysis, and the LipidMaps database. In addition, we applied a software-based classification, a method that was previously developed by our team, to verify and predict structurally similar compounds. Our findings confirmed that UPCC-Xevo G2-XS QTOF combined with software-based group classification could be used as an efficient method for exploring the potential lipid markers of seed medicine.
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