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1、Food safety and food defense Food Health Hazards Toxicity-risk Food safety Food safety standards Food security/defense Human healthHuman health Normal development and Normal development and growth.growth.InormalInormal by hazardsby hazards HazardsHazards A harmful substance to A harmful substance to
2、 human healthhuman health BiologicalBiological ChemicalChemical PhysicalPhysical ToxicityToxicity-riskrisk Risk=hazards X exposure Risk=hazards X exposure(dosage/limit)(dosage/limit)Food,health&business Nutrients for health Hazards for illness Microorganisms Beneficial for health Harmful to health I
3、ndustry Food (nutrients/hazards)Food safety?Food safety?A suitable productA suitable product which when which when consumed orally either by a consumed orally either by a human or an animal human or an animal does not does not cause health risk to consumer.cause health risk to consumer.Why food do n
4、ot cause health risk?Why food do not cause health risk?Why food do cause health risk?Why food do cause health risk?Food safety issue?Food safety issue?Food Hazards Present in Food Toxicity-risk Cause health harm Food safety?Food safety?Food does not contain polluted Food does not contain polluted ha
5、zardshazardssafe for human healthsafe for human health safe foodsafe food.Examples?Examples?UHT milkUHT milk Unsafe Food?Unsafe Food?Food contains polluted hazards Food contains polluted hazards harm to human body harm to human body ununsafe foodsafe food.Examples?Examples?Under cooked eggUnder cook
6、ed egg Two types of food safety issues Hazards into FOOD Unintentional/pollution Intentional/sabotage Food safety Food security/defense Food securityquantity of grainquantity of grain Everyone will have access to safe,healthy,locally produced.affordable,and environmentally friendly food.(The Vancouv
7、er Food Policy Organization)When all people at all times have both physical and economic access to sufficient food to meet their dietary needs for a productive and healthy life.(USAID)食品保障 Food security-safe of food Food is not harm to human health intentionally or deliberately.Unsecure food contain
8、ing poison added by someone intentionally.食品安保 Food security-food defense Food defense measures taken to prevent or protect food from intentional poisoning.Food terrorism-fear or threatening by food and water poisoning.食品安保 Why food defense?Food terrorism-fear or threatening by food and water poison
9、ing.食品安保 Food Safety and Food Security Similarity Toxin，harmful Difference Food safetyunintentional contamination，administered by FDA Food Security deliberately addition,controlled by security department Food Safety and Food Security Food quality-inherent characters Color Drip loss Tender Flavor Tas
10、te Weight Pack PSE-pork DFD-beef Food standards Safety standard Indicator of hazards Limit values Quality standard Attributes indicators Limit value or description Food poisoning Presentation of acute illness due to the ingestion of food.an incidence or process of a disease resulted from ingestion o
11、f a food containing poison or harmful substance(hazards).Food borne illness Food borne illness:disease caused by the consumption of contaminated food.Foodborne disease outbreak:an incident in which two or more people experience a similar illness after eating a common food One person“food poisoning”i
12、s not food poisoning issue Vulnerable to food poisoning Elderly or sick people Babies Young children Pregnant women Food safety is relative,not absolute Food safety is relative Relatively safety is a probability No harm will come when the food is consumed in a usual manner.Food safety is relative Ha
13、zard cannot be avoided 100%.Human live in an natural environment which contain everything.Food are produced not in a vacuum.Our body has defense system to protect ourselves.Questions What is food hazards?What are the differences between food safety and food security?Why food safety is relative?What is food safety standards?What is food poisoning issue?