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Table 2 Results of the physiological and biochemical experiment of the strains

From: Strain screening and optimization of biohydrogen production by Enterobacter aerogenes EB-06 from glycerol fermentation

Test name/strains EB-06, α EB-104, β EB-63, γ Enterobacter aerogenes
Catalase test + + + +
Methyl red test +
Voges-Proskauer test + + + +
Indole test
Citrate utilization test + + + +
Reduction of nitrate test + + + +
Production of H2S test
Urease test +
Gelatin liquefaction test + + + +
Glucose U + + + +
Glycerol U + + +