Before you read the passage, talk about these questions.

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Allergens and Toxins

Get ready!

1. Before you read the passage, talk about these questions.

       1What are some of the dangers that seafood vendors should be aware of?

       2What causes some people to have allergic reactions to different types of seafood?

Reading

2. Read the magazine article. Then, mark the following statements as true (T) or false (F).

1 __ Both fish and shellfish sometimes contain allergens.

2 __ CIDs indicate the presence of paralbumins.

3 __ Scombroid fish are naturally toxic.

Vocabulary

3. Match the words (1-7) with the definitions (A-Q).

1__ rot             5 __ allergen

2 __ CID          6 __ puffer fish

3 __ odor          7 __ toxic bloom

4 __ toxic

A a naturally toxic organism

В a group of harmful sea plants

С a scent, fragrance, or stench

D to decay or deteriorate

E causing illness or death

F a chemical that causes hypersensitivity

Ga chemical that indicates decomposition

4. Read the sentence pairs. Choose which word or phrase best fits each blank.

1 paralbumins / tropomyosins

A_________________ are allergens found in invertebrates, such as shellfish.

В _________________ are allergens found in fish and can vary widely between species.

2 decomposition / scombroid poisoning

       A _________________ is often caused by ingesting tuna or mackerel

       B The process of ________________ releases toxins that are dangerous to eat.

3 toxins / enzymes

A Seafood manufacturers must avoid selling products containing _____________.

В Certain ______________ are helpful in digestion and other bodily processes.

5. Listen and read the magazine article again. How can consumers avoid toxins in fish?

Listening

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