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Table 2 Biochemical tests for the differentiation of E. sakazakii.

From: Identification of Enterobacter sakazakii from closely related species: The use of Artificial Neural Networks in the analysis of biochemical and 16S rDNA data

Biochemical Tests E. sakazakii (n = 189) other α-glucosidase positive strains (n = 39) other Enterobacteriaceae (n = 54)
α-glucosidase 100 * 100 0
Arginine dehydrogenase 97 13 67
Citrate 99 15 80
D-saccharic acid 0 23 33
Dulcitol 8 80 28
glucose-1-phosphate 0 59 83
glucose-6-phosphate 0 46 82
Lipase 96 44 4
Methyl Red 5 95 57
Ornithine decarboxylase 91 0 74
Pyruvate 3 92 50
Raffinose 100 15 63
Sucrose 100 21 47
Voges Proskauer 96 0 44
Yellow pigment 98 90 28
  1. * denotes percent strains from the data set which were positive for the test