Biochemical Test of Salmonella Typhi

By Prof Walter Jaoko

CharacteristicsSalmonella Typhi
CapsuleNegative (-ve)
CatalasePositive (+ve)
CitrateNegative (-ve)
FlagellaPositive (+ve)
GasNegative (-ve)
Gelatin HydrolysisNegative (-ve)
Gram StainingNegative (-ve)
Growth in KCNNegative (-ve)
H2SPositive (+ve)
IndoleNegative (-ve)
MotilityPositive (+ve)
MR (Methyl Red)Positive (+ve)
MUG TestNegative (-ve)
Nitrate ReductionPositive (+ve)
OxidaseNegative (-ve)
PigmentNegative (-ve)
ShapeRod
SporeNegative (-ve)
TSIA (Triple Sugar Iron Agar)Alkali/Acid
UreaseNegative (-ve)
VP (Voges Proskauer)Negative (-ve)
Fermentation of
AdonitolNegative (-ve)
ArabinoseNegative (-ve)
ArabitolNegative (-ve)
CellobioseNegative (-ve)
DNaseNegative (-ve)
DulcitolNegative (-ve)
ErythritolNegative (-ve)
Esculin HydrolysisNegative (-ve)
GlucosePositive (+ve)
GlycerolNegative (-ve)
InositolNegative (-ve)
LactoseNegative (-ve)
MalonateNegative (-ve)
MaltosePositive (+ve)
MannitolPositive (+ve)
MannosePositive (+ve)
MelibiosePositive (+ve)
MucateNegative (-ve)
MyoInositolNegative (-ve)
RaffinoseNegative (-ve)
RhamnoseNegative (-ve)
SalicinNegative (-ve)
SorbitolPositive (+ve)
SucroseNegative (-ve)
TartratePositive (+ve)
TrehalosePositive (+ve)
XylosePositive (+ve)
Enzymatic Reactions
Acetate UtilizationNegative (-ve)
Arginine DehydrolaseNegative (-ve)
Esculin HydrolysisNegative (-ve)
LipaseNegative (-ve)
LysinePositive (+ve)
ONPG (β-galactosidase)Negative (-ve)
Ornithine DecarboxylaseNegative (-ve)
PeroxidaseNegative (-ve)
Tyrosine HydrolysisNegative (-ve)