Planta Med 2002; 68(12): 1137-1139
DOI: 10.1055/s-2002-36346
Letter
© Georg Thieme Verlag Stuttgart · New York

Antibacterial Activity of a Stearic Acid Derivative from Stemodia foliosa

Lourinalda Luiza Dantas da Silva2 , Márcia Nascimento1 , Dulce Helena Siqueira Silva2 , Maysa Furlan2 , Vanderlan da Silva Bolzani2
  • 1Departamento de Antibióticos - Centro de Ciências Biológicas, Universidade Federal de Pernambuco, PE, Brazil
  • 2NuBBE (Núcleo de Bioensaio, Biossíntese e Ecofisiologia de Produtos Naturais), Instituto de Química, Universidade Estadual Paulista - UNESP, Araraquara, SP, Brazil
Further Information

Publication History

Received: April 8, 2002

Accepted: July 28, 2002

Publication Date:
20 December 2002 (online)

Preview

Abstract

From the hexane-soluble fraction of an ethanol extract from leaves and stems of Stemodia foliosa (Scrophulariaceae), the new stearic acid 4-[(n-pentoxy)phenethyl] ester (1) was isolated. This compound exhibited antibacterial properties at 10 μg/mL concentration by using disc diffusion method against Gram-positive bacteria Bacillus cereus and Bacillus subtilis and fast-acid bacterium Mycobacterium fortuitum. The structure of the new compound was elucidated by spectroscopic methods and by chemical conversion.

References

Vanderlan da Silva Bolzani

NuBBE (Núcleo de Bioensaio, Biossíntese e Ecofisiologia de Produtos Naturais)

Instituto de Química

Universidade Estadual Paulista

CP 355, CEP 14801-970

Araraquara

SP, Brazil

Email: bolzaniv@iq.unesp.br