A comparative thin layer chromatography study of different brands of five herbal remedies

TL;DRAbstract

ABSTRACT
\nThe belief that herbal remedies are less invasive on the human body than conventional
\nmedicine and the return of the consumer to a more natural lifestyle, has led to the
\ndevelopment of a multitude of remedies, with many different uses. Because the use of
\nthese herbal remedies has increased drastically in the last decade, it is essential that
\nthe quality and efficacy of these products are well regulated. One of the objectives in
\nthis study includes the investigation of the presence of marker metabolites in five
\nherbal remedies, namely Serenoa repens, Silybum marianum, Hypericum perforatum,
\nEchinacea purpurea and Gingko biloba. Although most of the brands tested contained
\nthe active ingredients assayed for, a few exceptions were found. However, because
\nthis study used only thin layer chromatography for analysis of products, verification of
\nthese results should be obtained using other more modern methods for exampl

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