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African Journal of Traditional, Complementary and Alternative Medicines
African Ethnomedicines Network
ISSN: 0189-6016
Vol. 6, No. 1, 2009, pp. 70-77
Bioline Code: tc09010
Full paper language: English
Document type: Research Article
Document available free of charge

African Journal of Traditional, Complementary and Alternative Medicines, Vol. 6, No. 1, 2009, pp. 70-77

 en Contamination Of Herbal Medicinal Products Marketed In Kaduna Metropolis With Selected Pathogenic Bacteria
Abba, Danladi; Inabo, Helen I.; Yakubu, Sabo E. & Olonitola, Olayeni S.

Abstract

The study aimed to evaluate the bacterial contamination of powdered herbal medicinal preparations sourced from identified herbal retail outlets in different parts of Kaduna metropolis. The assessments of the contamination of the herbal products were carried out using standard procedures: total aerobic bacterial plate count, measurement of some physical parameters, isolation and characterization of selected bacterial pathogens etc. The results showed that out of a total of 150, 70 (46.67%) herbal remedies were contaminated with Salmonella typhi check for this species in other resources , twenty nine (19.33%) with Shigella check for this species in other resources spp. Eighty eight (58.67%) and 98 (65.33%) were contaminated with Escherichia coli check for this species in other resources and Staphylococcus aureus check for this species in other resources , respectively. The total aerobic plate count results showed that the highest average count of > 5×107cfu/g was found in 89 (59.33%) of the preparations, while average plate count of ≤5×107cfu/g was found in 42 (28%) and no bacterial count was obtained in 19 (12.67%) of the preparations. Correlation was positive (P = 0.01; r = +0.109) between the physical parameters tested and the bacterial load. Antibacterial activities result of some common antibiotics showed that all the antibiotics had activities on the test bacterial isolates at various minimum inhibitory concentrations. Most traditionally prepared herbal medications in Kaduna state are likely to be contaminated with a wide variety of potentially pathogenic bacteria. The quality assurance of these products should be thoroughly enforced and monitored in the production and distribution of herbal preparations.

Keywords
Herbal preparations, Kaduna metropolis, bacterial contamination, antibacterial assessment.

 
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