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GeneGnome · 03-12-2008, 08:48 PM

Quote:

As part of the weight-loss program, the subjects were counseled to reduce their caloric intakes to 1500 kcal/d for women and 1800 kcal/d for men.

Looks like both are leveling off. So, what is the effect on persons who consume a higher than average amount of unsaturated fats? Probably little.

Quote:

One person in the MCT group who dropped out for food complaints did so because she said the oil made her sick.

Right Hook · 03-12-2008, 08:55 PM

Oh Gene your always spoiling my part! Lol, good info though sir.

GeneGnome · 03-12-2008, 09:44 PM

Heh, thanks for posting it I hadn't seen it yet.

Weight loss might continue if there is some appetite suppression:

Quote:

In our previous study, we found that women burn {approx}45 kcal/d more when consuming medium-chain saturated fats than when consuming long-chain saturated fats (12). In addition, studies have found that subjects consume an average of 62.5 kcal/d less when meals contain MCT instead of LCT (19). The addition of an enhanced thermic effect of food and reduced food intake would result in a lower caloric retention of 107.5 kcal/d. This lower caloric retention, if maintained over a 16-wk period, would lead to an additional loss of 1.55 kg body wt with MCT consumption than with LCT. Our finding of a 1.7-kg difference in weight loss thus agrees with our earlier hypothesis (19).

Maybe subjects simply became more lax as time went on.

Also the groups were fairly small because of a high dropout rate: (MCT, n = 16; olive oil, n = 15). Only 3 total male subjects.

Here are more numbers for weights (kg) weeks 12-16 for each group:

MCT
12 77.2 ± 0.46
16 77.2 ± 0.462

Olive Oil
12 78.3 ± 0.47
16 78.9 ± 0.47
^^Increase in weight.

These numbers are more interesting:

Change in body compartment MCT oil (n = 16) Olive oil (n = 15)
Total fat mass (%) –1.46 ± 0.452 –0.58 ± 0.46
Total fat mass (kg) –2.23 ± 0.572,3 –0.69 ± 0.58
Trunk fat mass (%) –1.23 ± 0.73 –0.49 ± 0.75
Trunk fat mass (kg) –1.20 ± 0.352 –0.34 ± 0.36
Intraabdominal adipose tissue (cm2) –8.85 ± 3.92 –1.32 ± 4.194
Subcutaneous abdominal adipose tissue (cm2) –24.76 ± 9.37 –11.29 ± 10.024

I wonder what effect the counseling has in all of this

TABLE 1 EatRight weight-loss program study topics by week

Lesson number Topic
1 Study muffins and oil use; low-fat and fat-free ideas
2 ChooseRight
3 RecordRight
4 Healthy recipes
5 Goal setting
6 PlanRight
7 ShopRight (in class)
8 ShopRight (grocery store tour)
9 HeartSmart
10 CookRight
11 DineRight
12 Healthy fast food choices
13 ThinkRight
14 Stress management
15 StartRight
16 Sharing healthy recipes

I'm just very skeptical of these type of studies on how applicable they would be to persons who exercise or are familiar with nutrition basics. 1.7kg fat difference between MCT and Olive Oil after 16 weeks is moderately significant I guess when considering similar research.

Right Hook · 03-12-2008, 10:25 PM

Quote:

Originally Posted by GeneGnome

Heh, thanks for posting it I hadn't seen it yet.

Weight loss might continue if there is some appetite suppression:

Maybe subjects simply became more lax as time went on.

Also the groups were fairly small because of a high dropout rate: (MCT, n = 16; olive oil, n = 15). Only 3 total male subjects.

Here are more numbers for weights (kg) weeks 12-16 for each group:

MCT
12 77.2 ± 0.46
16 77.2 ± 0.462

Olive Oil
12 78.3 ± 0.47
16 78.9 ± 0.47
^^Increase in weight.

These numbers are more interesting:

Change in body compartment MCT oil (n = 16) Olive oil (n = 15)
Total fat mass (%) –1.46 ± 0.452 –0.58 ± 0.46
Total fat mass (kg) –2.23 ± 0.572,3 –0.69 ± 0.58
Trunk fat mass (%) –1.23 ± 0.73 –0.49 ± 0.75
Trunk fat mass (kg) –1.20 ± 0.352 –0.34 ± 0.36
Intraabdominal adipose tissue (cm2) –8.85 ± 3.92 –1.32 ± 4.194
Subcutaneous abdominal adipose tissue (cm2) –24.76 ± 9.37 –11.29 ± 10.024

I wonder what effect the counseling has in all of this

TABLE 1 EatRight weight-loss program study topics by week

Lesson number Topic
1 Study muffins and oil use; low-fat and fat-free ideas
2 ChooseRight
3 RecordRight
4 Healthy recipes
5 Goal setting
6 PlanRight
7 ShopRight (in class)
8 ShopRight (grocery store tour)
9 HeartSmart
10 CookRight
11 DineRight
12 Healthy fast food choices
13 ThinkRight
14 Stress management
15 StartRight
16 Sharing healthy recipes

I'm just very skeptical of these type of studies on how applicable they would be to persons who exercise or are familiar with nutrition basics. 1.7kg fat difference between MCT and Olive Oil after 16 weeks is moderately significant I guess when considering similar research.

I was thinking after your initial post that the subjects did just become more lax overtime...lost excitement in the plan, or whatever.

But your right over 16 weeks the results are not significant. Your point in bold is very applicable though...I guess thats why I am always on the lookout for studies involving "well-trained athletes/males".

Thank you for your input though.