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7192788
FOOD BORNE PATHOGEN
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science
Mind Map by
alia shahira
, updated more than 1 year ago
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Created by
alia shahira
over 7 years ago
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Resource summary
FOOD BORNE PATHOGEN
Keyterms
food borne illness
food borne pathogen
Host invasion process
1. Food enter the mouth ( bacteria survive acidic condition in the stomach )
2. Penetrate intestinal mucosal layer, attach to intestinal wall and multiply
3. Defend itself against gut-associated lymphoid tissue
4. Compete with intestinal microbiota
5. Once attached and multiplied, will produce toxin or cross th e epithelial wall
6. omiting, fever, diarrhoea, abdominal pain, fatigue
Symptoms of foodborne illness
Vomiting
Fever
Diarrhoea
Abdominal pain
Fatigue
Factors in controlling foodborne pathogens
Intrinsic factors
1. pH 2. Moisture content (aw) 3. Oxidation-reduction potential (Eh) 4. Nutrient content 5. Antimicrobial constituents 6.Biological structures
Extrinsic factors
1.Temperature of storage 2. Relative humidity of environment 3. Presence and concentration of gases in the environment
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