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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
pharmacology, toxicology and pharmaceutics
The pharmacological screening of Pentanisia prunelloides and the isolation of the antibacterial compound palmitic acid
Journal of Ethnopharmacology, Volume 79, No. 1, Year 2002
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Description
The uses of Pentanisia prunelloides in Zulu traditional medicine indicate that the plant is believed to be effective in relieving inflammation, bacterial and viral infections and also stimulating uterine contraction. Aqueous, ethanolic and ethyl acetate extracts of leaves and roots were screened for prostaglandin-synthesis inhibitors and antibacterial and antiviral activity. In the results of the anti-inflammatory assay all the extracts showed cyclooxygenase-1 inhibition. The ethanolic and ethyl acetate extracts showed greater antibacterial activity than the aqueous extracts against Gram-positive (Bacillus subtilis, Staphylococcus aureus) and Gram-negative bacteria (Escherichia coli, Klebsiella pneumoniae). Both root and leaf extracts were found to inhibit viral replication of the Influenza A virus. The ethyl acetate extract was fractionated by silica vacuum liquid chromatography and anti-inflammatory activity was found to be most pronounced in the more polar fractions. The presence of antibacterial activity was confirmed by running the fractions on a thin layer chromatography (TLC) plate and performing a bioautographic assay. The active fraction was further purified by TLC and the major antibacterial compound in the ethyl acetate root extract was identified by GC/MS as palmitic acid. © 2002 Elsevier Science Ireland Ltd. All rights reserved.
Authors & Co-Authors
Yff, Barbara T.S.
South Africa, Scottsville
University of Natal, School of Botany and Zoology
Lindsey, Kerry L.
South Africa, Scottsville
University of Natal, School of Botany and Zoology
Taylor, Maureen B.
South Africa, Pretoria
Faculty of Health Sciences
Erasmus, Doreen G.
South Africa, Pretoria
Faculty of Health Sciences
Jäger, Anna Katharina
South Africa, Scottsville
University of Natal, School of Botany and Zoology
Statistics
Citations: 148
Authors: 5
Affiliations: 2
Identifiers
Doi:
10.1016/S0378-8741(01)00380-4
ISSN:
03788741
Research Areas
Health System And Policy