gelatin liquefaction

gelatin liquefaction

[′jel·ət·ən ‚lik·wə′fak·shən]
(microbiology)
Reduction of a gelatin culture medium to the liquid state by enzymes produced by bacteria in a stab culture; used in identifying bacteria.
References in periodicals archive ?
perfringens was positive for litmus milk test, lecithinase test and gelatin liquefaction test while negative for catalase, indole, methyl red and voges-proskauer tests.
glycines causing bacterial pustule of soybean Tests Reaction Starch hydrolysis + Gelatin liquefaction + KOH solubility + H2S production + Acid production Sucrose + (carbon sources) Dextrose + Glucose + Acid production (nitrogen sources) Peptone - Note + : Positive - : Negative Table 3.
Biochemical tests such as oxidase, catalase, gelatin liquefaction, urea hydrolysis, methyl red and Voges-Proskauer, starch hydrolysis, indole, nitrate and nitrite reduction, triple sugar iron test (TS1), and HzS production were also performed as per the standard test.