Is Your Food Safe?New Era Interactive English Book 3 Unit 4

Food Poisoning• What is food poisoning?– Any illness that results from eating

contaminated food

Food Poisoning• What are the symptoms of food

poisoning?– Stomach ache– Abdominal cramps– Nausea and vomiting– Diarrhea– Fever– Dehydration

Food Poisoning• What causes food poisoning?– Harmful bacteria* are the most common cause of

food poisoning, but other causes include viruses, parasites, and toxins

– 8 known pathogens account for the majority of food poisoning outbreaks: Salmonella( 沙门氏菌 ), Listeria( 李斯特菌 ), Clostridium perfringens( 产气荚膜梭状芽胞杆菌 ), Campylobacter( 空肠弯曲菌 ), Staphylococcus aureus( 金黄色葡萄球菌 ), E. coli( 大肠杆菌 ), Toxoplasma gondii( 弓形虫 ) and Norovirus( 诺沃克病毒感染 ).

Food Poisoning• Who is at risk of food poisoning?– Everyone has some risk of getting food

poisoning but higher risk groups include babies, the elderly, pregnant women, and those with weak immune systems

• How can you protect yourself from food poisoning?

• 4 simple steps– Wash– Separate– Cook– Refrigerate

Food Poisoning

Wash hands for at least 20 seconds

Wash surfaces, cutting boards,

dishes, and utensils

Wash produce under

running water

不要交叉污染

Use separate cutting

boards, plates and utensils

Separate raw meat and eggs from read-t0-

eat foods

Cook to a high enough

internal temperature(above 140

˚F)

Keep food out of the danger zone 40˚F –

140˚F4˚C – 60˚C

Reheat leftovers to a high enough

internal temperature

Refrigerating foods slows the growth of harmful bacteria

Thaw and marinate foods in the refrigerator

Throw away expired foods

How can you tell if food has gone bad?• People used to rely on their senses of

sight, smell and touch to tell if food had gone bad.

• Unfortunately human senses cannot detect dangerous organisms until after the food has started to decay.

What Was It?a. walnuts

b. peaches

c. potatoes

d. raspberries

What Was It?a. strawberry

b. tomato

c. pepperoni

d. red pepper

What Was It?a. fish

b. onion

c. lemon

d. pineapple

What Was It?a. eggs

b. apricots

c. pizza

d. pie

What Was It?a. strawberries

b. tomatoes

c. radishes

d. beef

Vocabulary• Study the new words• Listen and repeat

Now You Read• Read “Microbes and Food Safety”• Write down any questions you have• Expressions• Footnotes

Language Learning Strategy• Problem – Solution pattern• Apply the strategy (paras 6-7)– Problem:

• Live disease causing organisms are often found in raw meats

– Solution 1:• Thorough cooking is necessary to make meat safe

– Solution 2:• Hazard Analysis Critical Control Point plan (HACCP)