Bioactive Milk Lipids: Properties and Impacts
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Questions and Answers

What is the main reason nutritionists have advised against consumption of milk fat?

  • Low nutritional properties
  • High content of unsaturated fatty acids
  • Presence of butyric acid
  • High content of saturated fatty acids and cholesterol (correct)

Which lipid compounds have been reported to exert important biological activities in milk fat?

  • Saturated fatty acids and cholesterol
  • Unsaturated fatty acids and liposoluble vitamins
  • Sphingolipids and liposoluble vitamins
  • Butyric acid and CLA (correct)

What is the commercial application of the lipid compounds found in milk fat?

  • Promoting diseases prevention
  • Development of functional foods for human health (correct)
  • Improving nutritional properties
  • Enhancing organoleptic properties

What are the focus of many studies related to the lipid compounds in milk fat?

<p>Obtaining natural enrichment dairy products (D)</p> Signup and view all the answers

Which component of milk fat has been reported to be a constituent of the milk fat globule membrane?

<p>Sphingolipids (D)</p> Signup and view all the answers

What are the most important components of milk in terms of physical, organoleptic, and nutritional properties?

<p>Lipids (C)</p> Signup and view all the answers

What is the main health beneficial component of milk fat globule membrane (MFGM)?

<p>Cholesterolemia-lowering factor (B)</p> Signup and view all the answers

What is the approximate average diameter of fat globules in cow milk?

<p>5 μm (C)</p> Signup and view all the answers

What is the percentage of TAG in sheep and goat’s milk compared to cow’s milk?

<p>Higher (C)</p> Signup and view all the answers

What is the unique position of C16:0 in the TAG molecule and why is it significant?

<p>sn-1 position, ensures highly absorbable calcium in milk (C)</p> Signup and view all the answers

What is the main reason for the interest in the biological effects of the position occupied by individual fatty acids on the TAG molecule and the lipoprotein metabolism?

<p>Relevance to their effects on cardiovascular diseases (B)</p> Signup and view all the answers

What percentage of the milk fat consists of about 400 different fatty acids?

<p>~40% (D)</p> Signup and view all the answers

What type of fatty acids are mostly found in milk fat?

<p><em>saturated or unsaturated fatty acids with even number of carbon atoms</em> (D)</p> Signup and view all the answers

Which vitamins are carried by milk lipids?

<p><em>A, D, E, K and carotenoids</em> (B)</p> Signup and view all the answers

What is the structure and composition of the milk fat globule membrane (MFGM) similar to?

<p><em>Human cell membrane</em> (B)</p> Signup and view all the answers

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