1.4a - food poisoning 1

8/11/2019 1.4a - Food Poisoning 1

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Lesson Objectives

1. Identifyhat Food Poisoning is.

2. Identifythe High !is" foods.

3. Identifyho bacteria #a"e $s ill.


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What is Food Poisoning%

Food &oisoning is an illness yo$ get by cons$#ing

'eating( contaminatedfood.

Food is conta#inated if there is so#ething in it

hich sho$ldn)t be there.

E


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What is Food Poisoning%

Food &oisoning is an illness yo$ get by cons$#ing

'eating( contaminatedfood.

Food is conta#inated if there is so#ething in it

hich sho$ldn)t be there.

E


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Sy#&to#s of Food Poisoning

*bdo#inal Pain + sto#achache

Diarrhoea + -the r$ns)

o#iting + being sic"

/a$sea + the feeling of sic"ness

Fever + a raised te#&erat$re

Sy#&to#s vary de&ending on the ty&e of food

&oisoning and can last for days

E


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0a$ses of Food Poisoning

Bacteria '&athogens( and other microbes 'vir$ses,

#o$lds(.

ating food that contains chemicalsand metals.

ating poisonous plants'e.g. toadstools, berries(.

E


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High!is" Foods

2acteria really li"e foods hich are moist3 high

in protein.

45 0an yo$ na#e any e6a#&les of High!is" Foods%

E

7hese incl$de5MeatFishPo$ltry

Dairy &rod$ctsggs8ravies


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Lo!is" Foods 7hese are $s$ally lo in #oist$re 'dry food(, lo in

&rotein, high in fat, acidic, high in salt, &ic"ledfoods, ja#s and other &reserves and other

che#ically &reserved foods.

7hey are stored in cool dry &laces.

45 0an yo$ na#e any e6a#&les of Lo!is" Foods%

E

7hese incl$de5Lard92$tter

Hard cheese Dried foods 0ereals 2isc$its

However,whe

nwaterisadd

edtodriedfo

odsuchasm

ilk

powderorgravygran

ulesitbecom

eshighriskan

dmustbe

storedunderrefrigera

tionorusedi

mmediately!


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Why 2acteria Ma"e ;o$


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Ho 2acteria M$lti&ly

!e&rod$ce ra&idly by dividing in to to.

BIN"#$ %ISSIN

ach bacteri$# only needs 1= + >= #in$tes to

#$lti&ly.

1 bacteri$# ? #illions in a fe ho$rs


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Ho 2acteria M$lti&ly


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0ritical 7e#&erat$res @se the or"sheet &rovided to identify

ho te#&erat$re affects the activity ofbacteria.

E


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0ritical 7e#&erat$res E

High !is" and

&erishable foods

sho$ld be "e&t o$tof the danger Aone

te#&erat$res of

beteen BC0 and

EC0.


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Plenary/o Hands @&

1. Ho do yo$ get food poisoning%Food &oisoning is an illness yo$ get by cons$#ing 'eating(

contaminatedfood

>. 8ive three symptomsof food poisoning.*bdo#inal Pain, Diarrhoea, o#iting, /a$sea, Fever

E. 8ive to ca$ses of food &oisoning. '6>(2acteria, Microbes, 0he#icals, Metals, Poisono$s Plants

G. Why do bacteria li"e high ris" foods%2acteria really li"e foods hich are moist3 high in protein.

B. 8ive to e6a#&les of high ris" foods.Meat, Fish, Po$ltry, Dairy &rod$cts, ggs, 8ravies9Stoc"s9Sa$ces,

Shellfish, Seafood, 0oo"ed rice

. Ho do bacteria #$lti&ly%2inary Fision

. /a#e the fo$r things bacteria need to #$lti&ly.I I I


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!eca&

1. )an you Identifyhat Food Poisoning is%

2. )an you Identifythe High !is" foods%

3. )an you Identifyho bacteria #a"e $s ill%


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/e6t Lesson

1.4a - food poisoning 1

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