Flavonoid determination in calendula officinalis (marigold)
UniversalExtractor E-800: Extraction of marigold for the flavonoid determination.
A simple and reliable procedure for the extraction and determination of flavonoids in calendula officinalis (marigold) is introduced. The sample is extractd with the UniversalExtractor E-800 using the method Soxhlet warm. The flavonoid content is determined by using UV/Vis-spectrophotometry. This application complied with the official method of "Calendula flos" from the European Pharmacopoeia.
Register for download
Food Analysis Champion Guide Book
This guidebook offers a comprehensive summary of how NIR and reference methods, such as fat extraction and the Kjeldahl method for protein determination, are used at all steps in the food processing chain. Get a detailed overview of the techniques, including sample preparation, regulatory measures, troubleshooting, FAQs, and case-specific studies.