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Bakteriers v kstbetingelser

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Bakteriers v kstbetingelser

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    1. Hygiejne til personer med begrnset fdevarehndtering Bakteriers vkstbetingelser

    2. Bakterier har forskellige vkstbetingelser. Srlige forhold som skal vre gunstige for at de overlever Vand pH Ilt Temperatur Konservering Bakterier

    3. Vand Det er vigtigt for bakteriers vkst at der er vand til stede Ved at tilfre store mngder sukker eller salt kan man fjerne vandet fra en fdevare

    5. De fleste bakterier skal have ilt for at overleve. Ved vakuumering eller MAP pakning kan man fjerne/ ndre luften.

    6. Temperatur Bakteriesporer dr over 120o C Visse sporer dr ved kogning Bakterier dr over 75o C De formerer sig bedst imellem 10 og 65oC De formerer sig langsomt under 5o C De gr i dvale under -18 o C

    7. Konservering Henkogning, konserverings-midler ; citronsyre , atamon mm. Og konservesdser

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