nutritionsteps

 

Lipids

5.1    What are fats and where are they found in food?

In this video we introduce lipids and see how much fat is found in different food categories


5.2    A tale of seven countries

Although it has long been proven wrong, the idea that "fat in food is a bad thing" is deeply-rooted in most people's mind. A little trip down history lane to show where it all came from...


5.3    Consequences of the “war” against fat

Vegetable oils, margarines, fat-free products and french paradoxes: a solution worse than the problem.


5.4    Triglycerides and their functions

Triglycerides are by far the most abundant type of lipid in our body. What are their functions?


5.5    Fatty acids

Today we learn the distinction between saturated, monounsaturated and polyunsaturated fats; between omega 3, omega 6 and omega 9 fats; and between cis and trans fats.


5.6    Fat quality is what really matters

Saturated, monounsaturated, polyunsaturated, omega-3, omega-6, hydrogenated, trans fats... What are the implications of all these differences for our health and where do we find these different types of lipids in food?


5.7    The omega-3 / omega-6 balance

Why is it so important to make a distinction, within the polyunsaturated fatty acids, between the omega-6 and the omega-3 families? How can we balance them properly with our diet?


5.8    The dangers of oxidized lipids

How a good healthy fat can become extremely detrimental to our health...


5.9    Trans fats and lipids hydrogenation

What are the dangers of hydrogenated oils, why trans fatty acids are extremely detrimental to our health, and what can we do about it?


5.10  How much fat do we need?

What is the optimal dietary lipids intake? And what are the correct proportions between the different types of fats?


5.11  Phospholipids and lecithin

What are phospholipids and what are the benefits of lecithin?


5.12  Cholesterol: functions, dangers, and diet

What is cholesterol? Why is it so important for us, but we don't want too much of it around? What is the link between diet and blood cholesterol levels?


5.13  How are lipids digested?

The steps of lipids digestion and the mechanisms of action of some lipid-related medications and dietary compounds


5.14  LDL and HDL cholesterol

In this video we learn about lipids transport and metabolism. What is a lipoprotein? What is the difference between chylomicrons, VLDLs, LDLs and HDLs? What is good and bad cholesterol? Why does size and density also matters? How is diet related to blood cholesterol?



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5

a free, open-access course in diet & nutrition

What are fats? What is cholesterol? Do we really need to fear them? Why are they absolutely vital for life and yet some of them are harmful if in excess? What is the difference between saturated, monounsaturated, polyunsaturated, omega-3, hydrogenated and trans fats?


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