Antimicrobial Factors in Milk
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Questions and Answers

Lactoferrin is an enzyme found in milk that has inherent antimicrobial activity.

False

The lactoperoxidase system has bactericidal activity against many Gram-positive spoilage organisms.

False

Lysozyme acts on components of the bacterial cell membrane, causing cell lysis.

False

The chelation of iron in milk by lactoferrin promotes the growth of many bacteria.

<p>False</p> Signup and view all the answers

Hydrogen peroxide is naturally produced by milk to activate the lactoperoxidase system.

<p>False</p> Signup and view all the answers

Lactoperoxidase has inherent antimicrobial activity against many pathogens.

<p>False</p> Signup and view all the answers

The phospholipid content in milk fat is around 80%.

<p>False</p> Signup and view all the answers

Globulins are the predominant type of protein in milk.

<p>False</p> Signup and view all the answers

The pH of milk is highly acidic, which inhibits microbial growth.

<p>False</p> Signup and view all the answers

Raw milk is a poor growth medium for microorganisms.

<p>False</p> Signup and view all the answers

The microbiology of milk has no implications for human health.

<p>False</p> Signup and view all the answers

The udder is not a source of bacterial contamination of raw milk.

<p>False</p> Signup and view all the answers

Bacterial spores are susceptible to lysozyme.

<p>False</p> Signup and view all the answers

Immunoglobulins present in milk play a significant role in preservation.

<p>False</p> Signup and view all the answers

Pasteurization has eliminated the transmission of milk-borne diseases.

<p>False</p> Signup and view all the answers

Acid-forming bacteria in milk can cause a pH increase.

<p>False</p> Signup and view all the answers

Colostrum is a poor source of immunoglobulins.

<p>False</p> Signup and view all the answers

Campylobacter spp. are typically found in pasteurized milk.

<p>False</p> Signup and view all the answers

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