Research Article
Effects of pH and Electrolytes on Castor Oil Emulsions with Various Stabilisers Using Khaya senegalensis Gum as an Emulsifier
Table 3
Microbial quality of purified gum.
| Selective medium | Results | Inference |
| Nutrient agar | Whitish colonies observed | Total aerobic count (420 cfu/g) | Mannitol salt agar | No growth observed | Staph. aureus absent | Bismuth sulphite agar | No black colonies observed | Salmonella spp. absent | Cetrimide agar | No growth observed | Pseudomonas spp. absent | MacConkey agar | No growth observed | Escherichia coli absent | Sabouraud agar | Cream colonies observed | Fungal count (<100 cfu/g) |
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