Browsing by Author "Hammond, A.S."
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Item Bacterial contaminants in lettuce, tomatoes, beef and goat meat from the Accra Metropolis(Ghana Medical Journal, 2001-12) Mensah, P.; Armar-Klemesu, M; Hammond, A.S.; Haruna, A.; Nyarko, R.A survey on the role of lettuce. tomatoes, beef and goat meat in the transmission of food-borne bacteria in Accra was conducted by evaluating their microbial quality. All 60 market lettuce samples had significantly higher faecal bacteria compared to 8(12%) from the farms (5.0 ± 09 vrs. 4.3 ± 0.9. p <0.001). Salmonella Groups D and G, Shigella dysenteriae, flexneria and boydii were detected in both farm and market samples. Irrigation with tap water instead of drain water significantly reduced the level of faecal coliforms (4.4 ± 0.9 vrs. 3.8 ± 0.7, P <0.00 I). Market (16) and farm (8) samples of tomatoes had similar levels of coliforms and faecal coliforms but rotten tomatoes had more coliforms (6.8 ± 0.37 vrs. 4.6 ± 0.65, p<0.001) and faecal coliforms (4.7 ± 0.29 vrs. 3.5 ± 0.81, p