Table 8. The effective of various iron sources to remove false positive as E. vulneris on the media

	Oxoid	Oxoid1	Oxoid2	OK	VRBG	VRBG1	NGTE1	NGTE2	NGTE	NGTE3	NGTE4
Iron source	FAC	FAC	FE	FC	X	FE	X	FE	FE	FE	FAC
Carbohydrate	X	X	X	X	Lac	Lac	Glu	X	Glu	Lac	Glu
α-Glucosidase substrates	Chro	Mug	Mug	Mug	Mug	Mug	Mug	Mug	Mug	Mug	Mug
E. sakazakii (Cronobacter spp.)	+	+	+	+	+	+	+	+	+	+	+
E. cloacae	−	−	−	−	−	−	−	−	−	−	−
E. coli K12	−	−	−	−	−	−	−	−	−	−	−
E. hermanii	−	−	−	−	−	−	−	−	−	−	−
Salmonella	−	−	−	−	−	−	−	−	−	−	−
E. vluneris	+	+	+	+	+	+	−	+	−	+	−

Oxoid 1 and 2, substitution by α-MUG or Iron source in Oxoid.
VRBG 1, substitution by iron source in VRBG.
NGTE 1, 2, 3, and 4, substitution by iron source or carbohydrate in NGTE.
FAC, ferric ammonium citrate; FC, ferric citrate; FE, ferrioxamine E.
Chro, 5-bromo-4-chloro-3-indolyl-α-D-glucopyranoside (BCIG).
Mug, 4-methyl-umbelliferyl α-D-glucoside (α-MUG).
X, blank; Lac, lactose; Glu, glucose.
+, positive of α-glucosidase substrates; −, negative of α-glucosidase substrates.