Biochemical Systematics and Ecology 30 (2002) 267–269 www.elsevier.com/locate/biochemsyseco Alkaloids and volatile constituents from Duguetia flagellaris Ivana M. Fechine a , Vanessa R. Navarro a , Emı ´dio V.L. da- Cunha a,b , Marcelo S. Silva a , Jose ´ Guilherme S. Maia c , Jose ´ M. Barbosa-Filho a,* a Laborato ´rio de Tecnologia Farmace ˆutica, Universidade Federal da Paraı ´ba, Cx. Postal 5009, 58051-970 Joa ˜o Pessoa, PB, Brazil b Departamento de Farma ´cia e Biologia, Universidade Federal da Paraı ´ba, CCBS, 58100-000 Campina Grande, PB, Brazil c Departamento de Bota ˆnica, Museu Paraense Emı ´lio Goeldi, Cx. Postal 399, 66040-170 Bele ´m, PA, Brazil Received 27 November 2000; accepted 12 June 2001 Keywords: Duguetia flagellaris; Annonaceae; Aporphine alkaloids; Volatile constituents 1. Subject and source Duguetia flagellaris Huber (Annonaceae), commonly known as “castanha-de- cutia”, “ameju-preto” and “caniceiro-preto” (Ribeiro, 1999, p. 816), was collected in November 1999 at the Mocambo Reserve, near the city of Bele ´m, State of Para ´, Brazil, and identified by the Annonaceae specialist Dr. Jorge Oliveira, from Museu Paraense Emı ´lio Goeldi (MPEG). A voucher specimen (# 148.668) is deposited in the Herbarium of MPEG, Bele ´m, Para ´, Brazil. 2. Previous work There is no previous reports on the analysis of the chemical constituents of D. fla- gellaris. * Corresponding author. Tel./fax: +55-83-2167364. E-mail address: jbarbosa@ltf.ufpb.br (J.M. Barbosa-Filho). 0305-1978/02/$ - see front matter  2002 Elsevier Science Ltd. All rights reserved. PII:S0305-1978(01)00090-4