Complementary and Alternative Medicine
Liquid chromatographic method developed for phenolics in dietary supplements
Published in Medical Letter on the CDC and FDA, June 15th, 2003
According to a study from the United States, "Analytical methodologies with ultrasonic extraction and liquid chromatography (LC) were developed for the determination of phenolic compounds in dietary supplements containing Echinacea. The phenolic compounds determined by these methods included caftaric acid, chlorogenic acid, cynarin, echinacoside, and cichoric acid."
"Samples from tablets, capsules, and bags of tea blends were extracted by sonication for {{<=}}30 min with...
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