Anatomical description, alkaloid content and quality control of the bark of Pau-pereira (Geissospermum laeve, Apocynaceae)
Márcia R. Almeida1, Alessandra E. S. Silva1, Andrezza O. Braga2, João Marcelo A. Braga3, Neusa Tamaio3* and Angelo C. Pinto1
1Laboratory of Natural Products and Chemical Transformations, Department of Organic Chemistry, UFR, Brazil.
2Federal University of Rio de Janeiro, Brazil.
3Rio de Janeiro Botanical Garden Research Institute, Brazil.
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