Numeration and Identification of thermotolerant endospore-forming Bacillus from two fermented condiments Bikalga and Soumbala
- Advances in Environmental Biology
Résumé
The thermotolerant Bacillus associated with Bikalga and Soumbala process were screened numbered and identified using standards and PCR methods. Thermotolerant bacteria in Soumbala ranged from 1.35 x [10. sup. 9] to 3 x [10. sup. 9] cfu/g, 1.24 x [10. sup. 9] to 2.78 x [10. sup. 9] cfu/g, 0.54 x [10. sup. 9] to 2.27 x [10. sup. 9] cfu/g, 3.5 x [10. sup. 7] to 1.54 x [10. sup. 9] cfu/g respectively for 90 [degrees] C, 95 [degrees] C, 100 [degrees] C and 105 [degrees] C. Thermotolerant bacteria in Bikalga ranged from 1.9 x [10. sup. 7] to 12.8 x [10. sup. 7] cfu/g, 2x [10. sup. 6] to 11.2 x [10. sup. 7] cfu/g, 0 to 9.6 x [10. sup. 7] cfu/g, 0 to 7.6 x [10. sup. 7] cfu/g respectively for 90 [degrees] C, 95 [degrees] C, 100 [degrees] C and 105 [degrees] C. Sixteen strains were selected and identified as belonging to Bacillus genera. All these selected strains are Gram positive, catalase positive and endospore forming …
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