Answer :
Keeping food cold would seem to promote the growth of psychrophilic bacteria. Population density is smaller for psychrophiles than for mesophiles.
Psychrophilic bacteria include Gram-terrible genera inclusive of Pseudoalteromonas, Moraxella, Psychrobacter, Flavobacterium, Polaromonas, Psychroflexus, Polaribacter, Moritella, Vibrio, and Pseudomonas; Gram-nice genera such as Arthrobacter, Bacillus, Micrococcus species; microalgae inclusive of Chlamydomonadales and
Psychrophiles are extremophilic bacteria or archaea that are cold-loving having an most fulfilling temperature for increase at approximately 15°C or lower, a maximal temperature for boom at about 20°C and a minimum temperature for boom at 0°C or decrease.
Psychrotrophic micro organism grow at less than 7°C. commonplace species in cold saved milk, that is the storage norm in most jurisdictions, are Micrococcus, Bacillus, Staphylococcus, Pseudomonas, Flavobacterium, and coliforms. Pseudomonas spp. are the most common and commonly have the greatest effect on first-class.
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