Charakterystyka temperatury wzrostu Bacillus cereus pochodzacych z roznych srodowisk

• Autorzy: Dolinska M , Berthold A.

Warianty tytułu

EN

Characteristics of the temperature growth of the Bacillus cereus isolated from different environments

• Języki publikacji: PL

Abstrakty

EN

The aim of the study was to determine the ability of Bacillus cereus strains, isolated from different sources, to grow in temperatures ranging from 4° to 43°C. The investigation material was 200 strains of Bacillus cereus isolated from cow feces, raw milk, pasteurized milk and mould ripened cheese. The ability to grow at temperatures of 4°, 6°, 8°, 12°, 30°, 43°C, was found in 1%, 1%, 15%, 100%, 100%, 85% strains respectively. Psychrotrophic strains of the Bacillus cereus are found in ready-for-consumption nutritive products, and a temperature range from 4° to 8°C does not have an influence on the possibility of their growth and reducing the quality of milk products. Among strains originating from cow feces and raw milk, strains of a mesophilic character prevail, whereas strains originating from milk products mostly have a psychrotrophic character. This can demonstrate the selection and adaptability of Bacillus cereus strains to grow in low temperatures in the course of production and milk product storage.

Słowa kluczowe

PL

mleko; srodowisko pozyskiwania mleka; przetwory mleczne; zanieczyszczenia bakteryjne; bakterie; Bacillus cereus; wzrost bakterii; niskie temperatury; bakterie psychrotrofowe

• Wydawca: -
• Czasopismo: Medycyna Weterynaryjna
• Rocznik: 2008
• Tom: 64
• Numer: 08
• Opis fizyczny: s.1016-1018,rys.,tab.,bibliogr.

Twórcy

autor

Dolinska M

• Szkola Glowna Gospodarstwa Wiejskiego, ul.Nowoursynowska 159 C, 02-787 Warszawa

autor

Berthold A.

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