Umbelliferous fruit identification by thin-layer chromatography

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Abstract
Unknown umbelliferous fruits, including powders, may be identified by thin-layer chromatography of petroleum extracts on silicic acid containing fluorescein. The constituents of the essential oils thus extracted are usually diagnostic. The method is particularly useful in distinguishing Indian dill (Anethum sowa Roxb.) from dill (A. graveolens L.), and will detect an admixture of one part of the former in four parts of the latter.