Table 2

Biochemical tests for the differentiation of E. sakazakii.

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


* denotes percent strains from the data set which were positive for the test

Iversen et al. BMC Microbiology 2006 6:28   doi:10.1186/1471-2180-6-28

Open Data