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Fundamental Food Microbiology, Third Edition - Fuad Fathir

Fundamental Food Microbiology, Third Edition - Fuad Fathir

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CHARACTERISTICS OF PREDOMINANT MICROORGANISMS IN FOOD 31<br />

H. Thermophilic Bacteria<br />

They are bacteria that are able to grow at 50�C and above. Species from genera<br />

Bacillus, Clostridium, Pediococcus, Streptococcus, and Lactobacillus are included<br />

in this group.<br />

I. Psychrotrophic Bacteria<br />

They are bacteria that are able to grow at refrigerated temperature (£5�C). Some<br />

species from Pseudomonas, Alteromonas, Alcaligenes, Flavobacterium, Serratia,<br />

Bacillus, Clostridium, Lactobacillus, Leuconostoc, Carnobacterium, Brochothrix,<br />

Listeria, Yersinia, and Aeromonas are included in this group.<br />

J. Thermoduric Bacteria<br />

They are bacteria that are able to survive pasteurization temperature treatment. Some<br />

species from Micrococcus, Enterococcus, Lactobacillus, Pediococcus, Bacillus<br />

(spores), and Clostridium (spores) are included in this group.<br />

K. Halotolerant Bacteria<br />

They are bacteria that are able to survive high salt concentrations (�10%). Some<br />

species from Bacillus, Micrococcus, Staphylococcus, Pediococcus, Vibrio, and<br />

Corynebacterium are included in this group.<br />

L. Aciduric Bacteria<br />

They are bacteria that are able to survive at low pH (

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