Multielement Determination in Medicinal Plants and Herbal Medicines Containing Cynara scolymus L., Harpagophytum procumbens D.C., and Maytenus ilifolia (Mart.) ex Reiss from Brazil Using ICP OES

Caroline de Aragão Tannus, Fernanda de Souza Dias, Filipe B. Santana, Daniele Cristina Muniz Batista Santos, Hemerson Iury Ferreira Magalhães, Fábio de S. Dias, Aníbal de Freitas Santos Júnior