Kiriamiti, Henry; Camy, Séverine; Gourdon, Christophe; Condoret, Jean-Stéphane
(American chemical society, 2003)
Possible refining of crude hexane extract (CHE) from pyrethrum flowers and further refining of Pyrethrum Board of Kenya (PBK) pale product is investigated with both liquid and supercritical carbon dioxide. The experiments ...