Pharmacognosy and micropropagation of feverfew, Tanacetum parthenium, L, Schultz Bip.
Feverfew (Tanacetum parthenium (L) Schultz Bip) is a medicinal plant that has come to prominence recently as a prophylaxis for migraine. The intent of this thesis was to develop standards for the proper identification and production of high quality feverfew products for the herbal industry. A comprehensive botanical standard has been developed based on: the floral morphology of five varieties, and trichome characterization, chromosome number, and microscopical analysis of dried leaf samples of wild-type feverfew. Parthenolide levels in leaf tissue remained constant after freeze-drying or oven-drying at three temperatures (30