Re: Low carb/high fat diet may have detrimental effects onendothel...

On Jul 10, 9:37 pm, "ra...@xxxxxxx" <ra...@xxxxxxx> wrote:
On Jul 10, 6:13 pm, Jane2...@xxxxxxxxx (Me Jane) wrote:





(GysdeJongh) wrote:
"Me Jane"  wrote:  
 Could
you explain it for me?
If they wanted to compare, why not use a low
carb diet with low fat -or- high fat?
And then a high carb diet with low fat -or-
high fat? I can't figure out how they got that
conclusion with the 'shortcut' they used.
we don't have a built in nuclear reactor, so we
have to get energy from either fat or carbohydrate. Thus
low carb is the same as high fat

OK, thank you, Gys! :)  
But what about protein? I think I'm getting energy from the protein I'm
eating ... I upped my quality protein when I lowered my carbs somewhat.
I haven't added any fat except now will eat a pat of butter with a meal
maybe 3 times a week. I'm fairly happy with this ratio now ... at least
until I read more studies that conclude it's a problem. If that happens
I'll have to rethink it. I would still think of my WoE as high protein,
low-carb, low to moderate fat, though ...it's going to be hard for me to
shake that out of my head. ;)  
.
I read the excerpts that Randy posted today, too, generally always do
read them... I appreciate all the links. :)
Cheers, Jane

Jane,

I've provided a study for what your asking about; Low Fat/High Protein/
Low Carb vs Low Fat/Low Protein/High Carb. Unfortuneately the results
on insulin and bg levels are in the full paper not the abstract.

What I especially like about this study is that food intake and
calories are tightly controlled. This is a missing element in many pro
low carb studies presented here. When you trust folks to honestly
report what and how much they eat you introduce a very Big Slop
factor. The studies that control calorie and food intake generally
always find the same thing. The studies that rely on the subject
reports are all over the map. This is one of the main problems if find
with many studies presented here.

Also one of the authors, Johnston CS, has published lots of of
interest to ASD. Do a search of her on Pubmed for lots of interesting
material.

Regards
Randy

//
***************************************************************************­****************************
Effects of an 8-week high-protein or high-carbohydrate diet in adults
with hyperinsulinemia.
Kleiner RE, Hutchins AM, Johnston CS, Swan PD.

Department of Nutrition, Arizona State University, Mesa, Arizona, USA.

Abstract
CONTEXT: Incidence of insulin resistance (IR) in Americans is steadily
rising. IR may be ameliorated with < or = 5% loss in body weight.

OBJECTIVE: To examine effects of 2 weight-loss diets on body weight
and composition in overweight adults with IR. DESIGN: Participants
randomly assigned to a high-protein, low-fat (HPLF) or a high-
carbohydrate, low-fat (HCLF) diet for 8 weeks.

SETTING: All meals prepared and weighed in the metabolic kitchen at
Arizona State University. Lunch consumed on-site; all other meals
packaged for home consumption.

PATIENTS: Twenty overweight, healthy participants with elevated
fasting serum insulin (> or = 15 microU/L) were recruited.

INTERVENTIONS: Both diets were low-fat (27% kcal from fat; < 7%
saturated, < or = 10% monounsaturated, and < or = 10% polyunsaturated)
and energy-restricted (energy levels were 1200, 1500, 1700 or 2000
kcal); HPLF: 32% protein, 41% carbohydrate; HCLF: 59% carbohydrate,
14% protein. Energy levels were assigned on the basis of participant's
resting metabolic rate.

MAIN OUTCOME MEASURES: Body composition, etabolic indices, fasting
plasma glucose, and insulin.

RESULTS: No significant differences were found in the main outcome
measures between the diets. Body weight (HPLF: -4.9 kg; HCLF: -4.0 kg)
and total percent body fat (HPLF: -1.5%; HCLF: -0.4%) significantly
reduced from baseline to week 8 (P = .005 and P = .035,
respectively).

CONCLUSION: Both diets promoted > or = 5% loss in body weight and
significantly reduced percent body fat.- Hide quoted text -

- Show quoted text -

Jane,

The full paper is available here: http://jn.nutrition.org/cgi/content/full/134/3/586

Be sure to look at table 3.

Randy
.

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