api20E

OPNG

test used to detect the enzyme β-galactosidase

ADH

Decarboxylation of the amino acid arginine by arginine dihydrolase

LDC

Decarboxylation of the amino acid lysine by lysine decarboxylase

ODC

Decarboxylation of the amino acid ornithine by ornithine decarboxylase

CIT

Use of citrate as sole carbon sourc6-

H2S

Hydrogen sulfide product

URE

Urease enzyme test

TDA (Tryptophan deaminase) 

Detection of the tryptophan deaminase enzyme (detected by adding Ferric chloride).

IND

Indole test : production of indole from tryptophan by the enzyme tryptophanase (Indole is detected by adding Kovac's reagent

VP

The Voges-Proskauer test for the detection of acetoin (acetylmethylcarbinol) produced by fermentation of glucose by bacteria using the butylene glycol pathway

GEL

Production test of the enzyme gelatinase which liquefies gelatin

GLU

Glucose fermentation (hexose sugar)

MAN

Fermentation of mannose (sugar hexose

INO

Fermentation of inositol (cyclic polyalcohol)

SOR

Fermentation of sorbitol (sugar alcohol)

RHA

Rhamnose fermentation (methyl pentose sugar)

SAC

Fermentation of sucrose (disaccharide)

MEL

Fermentation of melibiose (disaccharide)

AMY

Fermentation of amygdalin (glycoside)

ARA

Fermentation of arabinose (pentose sugar)

ONPG

test used to detect the enzyme β-galactosidase