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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