Skip to main content
. 2015 Jul 29;52(12):8284–8291. doi: 10.1007/s13197-015-1978-x

Table 5.

Colony and biochemical characteristics of dominant bacterial groups isolated from ngari and hentaak

1. Product Ngari Hentaak
2. Colony code Ng-1 Ng-2 Ng-3 Ng-4 Hn-1 Hn-2 Hn-3
3. Color & size* Y, B Y, S W, B W, S Y, S W, B W, S
4. Cell morphology - All were coccus -
5. Gram’s stain + + + + + + +
6. Catalase + + + + +
7. Oxidase + + +
8. Growth at pH 4.0 + +
7.0 + + + + + + +
9.0 + + + + + + +
9. O/F test +/+ +/+ +/+ +/+ +/+ +/+ +/+
10. MR/VP +/− +/− +/− +/− +/− +/− +/−
11. Citrate test
12. Indole
13. Amylase
14. Lipolysis + +
15. Deaminase +
16. Salt (%) Tolerance 0 + + + + + + +
2 + + + + + + +
4 + + + + + + +
6 + + + + +
8 + + +
17. Sugars Fermented Maltose + + + + + +
Lactose + + + +
Mannitol + + + +
Sucrose + +
Sorbitol + + + + + +
Glucose + +
Dextrose + + + + + + +
18. Suspected bacterial genus# LAB Mic. LAB Staph Mic Staph Staph

*Colour codes W & Y represent white and yellow respectively; size codes S & B represent small and big respectively

#LAB – lactic acid bacteria (either Lactococcus or Streptococcus); Mic : Micrococcus; Staph : Staphylococcus