测定芦荟胶乳和芦荟产品中具有通便作用的化合物 - 不同条件下芦荟植物(Aloe Barbadensis Miller)的化学计量学分类

JSFA reports Pub Date : 2023-12-06 DOI:10.1002/jsf2.176
Georgia D. Ioannou, Atalanti Christou, Ioannis J. Stavrou, Constantina P. Kapnissi-Christodoulou
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摘要

芦荟中乳胶的生物活性化合物与其若干药用特性有关。芦荟大黄素,芦荟素A和芦荟素B,存在于芦荟乳胶中,以其通便作用而闻名。采用高效液相色谱法测定泻泻作用的化合物,色谱柱为C18,总分析时间为22 min。对每片叶子的芦荟素含量分别进行了研究。我们观察到,与田间栽培植物相比,盆栽植物中芦荟的浓度遵循基于叶子位置的特定模式。还观察到,气候和环境条件对芦荟的浓度有重大影响。主成分分析评价测量值之间的相关性。该模型能够根据芦荟植物的季节变化和生长条件来分离它们。最后,据观察,13种产品中只有两种含有芦荟,其总含量超过了欧盟立法规定的最高水平。本研究为研究植物不同部位和不同条件下芦荟素的变化提供了有益的信息。这篇文章受版权保护。版权所有。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Determination of compounds with laxative action in aloe latex and aloe vera-based products—Chemometric classification of aloe vera plants (Aloe barbadensis Miller) under different conditions

Background

The bioactive compounds of latex in aloe vera are associated with several of its medicinal properties. Aloe emodin, aloins A and B, which are present in aloe latex, are known for their laxative action.

Results

The developed HPLC method for the determination of compounds with purgative effect was performed with a C18 column, and the total analysis time was 22 min. Each leaf from the plants was studied separately for its content in aloins. It was observed that, in contrast with field cultivation plants, the concentrations of aloins in potted plants follow a specific pattern based on the position of the leaves. It was also observed that climatic and environmental conditions have a significant impact on the concentrations of aloins. Principal Component Analysis was performed to evaluate correlations among measurements. The model was able to separate the aloe plants based on their seasonal variation and growing conditions. Finally, it was observed that, in only two out of thirteen products, aloins were present, with the total content exceeding the maximum levels set by EU legislation.

Conclusion

The present work provides useful information for the aloins variation among leaves in different positions and plants under various conditions.

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