Table of contents

Volume 17, Issue 3, 2007

Editorial
Botsaris, Alexandros S.; Siani, Antonio Carlos; Sá, Ivone Manzali de; Leda, Paulo

Trabalhos originais
Antibiotic, cytotoxic and enzyme inhibitory activity of crude extracts from Brazilian marine invertebrates
Seleghim, Mirna H. R.; Lira, Simone P.; Kossuga, Miriam H.; Batista, Tatiana; Berlinck, Roberto G. S.; Hajdu, Eduardo; Muricy, Guilherme; Roca, Rosana M. da; Nascimento, Gislene G. F. do; Silva, Marcio; Pimenta, Eli F.; Thiemann, Otávio H.; Oliva, Glaucius; Cavalcanti, Bruno C.; Pessoa, Claudia; Moraes, Manoel O. de; Galetti, Fabio C. S.; Silva, Celio L.; Souza, Ana O. de; Peixinho, Solange

**Bioactive flavone dimers from Ouratea multiflora (Ochnaceae)**
Carbonezi, Carlos Alberto; Hamerski, Lidilhone; Gunatilka, A. A. Leslie; Cavalheiro, Alberto; Castro-Gamboa, Ian; Silva, Dulce Helena Siqueira; Furlan, Maysa; Young, Maria Claudia Marx; Lopes, Marcia Nasser; Bolzani, Vanderlan da Silva

**Concomitant chemopreventive and antibacterial effects of some Iranian plants from the genus Cousinia (Asteraceae)**
Shahverdi, Ahmad Reza; Khorramizadeh, Mohammad Reza; Attar, Farideh; Saadat, Farshid; Vahid, Sepideh; Ghahraman, Ahmad

**A Chrysobalanus icaco extract alters the plasmid topology and the effects of stannous chloride on the DNA of plasmids**
Presta, Giuseppe A.; Fonseca, Adenilson S.; Bernardo-Filho, Mario

**Pharmacological studies of ethanolic extracts of Maytenus rigida Mart (Celastraceae) in animal models**
Santos, Vanda Lucia dos; Costa, Viviam Bruna Machado; Agra, Maria de Fátima; Silva, Bagnólia Araújo da; Batista, Leônia Maria

**Relaxant effect of the aqueous extract of Erythrina vellutina leaves on rat vas deferens**
Santos, Márcio R. V.; Alves, Péricles B.; Antoniolli, Angelo R.; Marchioro, Murilo

**The influence of the essential oil of Melaleuca alternifolia on the healing of infected dental alveoli: a histological study in rats**
Kreuger, Maria Regina Orofino; Ternes, Carlos Eduardo; Mello, Leonardo Lamim; Cruz, Alexandre Bella; Leite, Silvana Nair; Tames, David Rivero

**GC/FID-based authentication of Baccharis trimera: a quality control study of products commercialized in Curitiba and metropolitan region (Brazil)**
Ferrante, Lia M. S. de; Mayer, Barbara; Vasconcelos, Eliane C.; Oliveira, Cíntia M. Ribas de

**Bicyclogermacrene, resveratrol and fungitoxic activity on leaves extracts of Cissus verticillata L. Nicolson & Jarvis (Vitaceae)**
Silva, Luciana da; Oniki, Glaucia H.; Agripino, Débora G.; Moreno, Paulo R. H.; Young, Maria Claudia M.; Mayworm, Marco Aurélio S.; Ladeira, Angela M.

**Chemical composition and antioxidant activity of the volatile oil from Eupatorium polystachyum DC**
Souza, Tiago J. T.; Apel, Miriam A.; Bordignon, Sérgio; Matzenbacher, Nelson Ivo; Zuanazzi, José Ângelo S.; Henriques, Amélia T.

Investigation on miorelaxant, antispasmodic and analgesic effects of the aqueous extract of Phoradendron piperoides
Dias, Kellyane S.; Almeida, Dayse S.; Silva, Aline B. L.; Marques, Maxsuel S.; Menezes, Igor A. C.; Santos, Thiago C.; Mello, Iderjane C. M.; Carvalho, Ana C. S.; Antoniolli, Ângelo R.; Marçal, Rosilene M.

**Effect of Hypericum caprifoliatum Cham & Schltdl (Guttiferae) on isolated guinea pig ileum serotonin response**
Viana, Alice F.; Heckler, Ana P. M.; Poser, Gilsane Lino von; Langeloh, Augusto; Rates, Stela M. K.

Antioxidant activity of plant tinctures, commonly sold in pharmacies and indicated for several types of diseases, using the DPPH methodology
Vicentino, Amanda R. R.; Menezes, Fábio de Sousa

Antifungal activity evaluation of different propolis extracts
Longhini, Renata; Raksa, Sheila M.; Oliveira, Ana Carla P.; Svidzinski, Terezinha I. E.; Franco, Selma L.

**Comparative and pharmacobotanical study of the leaves of Turnera chamaedrifolia Cambess. and Turnera subulata Sm. (Turneraceae)**
Barbosa, Danila de Araújo; Silva, Kiriaki Nurit; Agra, Maria de Fátima

**Pharmacobotany of Sambucus species (Caprifoliaceae), used in traditional medicine in Brazil: Part II. Sambucus australis Cham. & Schltdl.**
Nunes, Eliana; Scopel, Marina; Vignoli-Silva, Márcia; Vendruscolo, Giovana S.; Henriques, Amélia T.; Mentz, Lilian A.

**Foliar anatomy of Eugenia brasiliensis Lam. (Myrtaceae) from restinga and forest areas**
Donato, Ana Maria; Morretes, Berta Lange de

Trabalho de Divulgação
The use of Allium cepa test as a bioindicator of genotoxicity of medicinal plants infusions
Bagatini, Margarete Dulce; Silva, Antonio Carlos Ferreira da; Tedesco, Solange Bosio

**The controvertible role of kava (Piper methysticum G. Foster) an anxiolytic herb, on toxic hepatitis**
Amorim, Maria F. D.; Diniz, Margareth F. F. M.; Araújo, Maria S. T.; Pita, João C. L. R.; Dantas, Jadson G.; Ramalho, Josué A.; Xavier, Aline L.; Palomaro, Thayse V.; B. Júnior, Nelson L.

Trabalhos de Revisão
**Natural compounds with anti-Trypanossoma cruzi activity**
Saúde-Guimarães, Dênia A.; Faria, Angélica R.

Plants species indicated in odontology
Oliveira, Francielda Q.; Gobira, Bárbara; Guimarães, Carolina; Batista, Jamylle; Barreto, Mariana; Souza, Mônica