food preservatives Flashcards

1
Q

organic acids inhibit microbial

A

metabolism; change pH; denature proteins

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2
Q

organic acids ex

A

sorbic acid
benzoic acid
calcium propionate

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3
Q

organic acids control

A

molds and bacteria in foods and cosmetics

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4
Q

nitrite prevents

A

endospore germination

found in many preserved/ smoked meats

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5
Q

antibiotics

A

nisin and natamycin (natural compounds) prevent spoilage of cheese

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6
Q

salts
sugars
spices

A

alter osmotic conditions of the cell environment promoting plasmolysis

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