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SATIATING POWER OF WHEY PROTEIN
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Research & Development
May 7, 2009
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 Whey protein has been studied extensively as a
high quality protein
source that contains a balanced profile of essential amino acids
important for stimulating protein synthesis and a positive protein
balance. While this is important for building muscle, there may be
other reasons that whey protein could benefit people. One of the
reasons diets with higher protein content can be effective in promoting
weight loss is because protein is more satiating than either
carbohydrate or fat. But not all proteins have the same satiating
effects. Researchers from the Netherlands compared the effects of
whey,
casein
and soy on several markers of appetite including actual caloric intake.
Subjects were fed a 600 calorie breakfast with either 10% or 25% of the
meals consisting of a different protein source. When protein was 10% of
the breakfast meal, whey decreased hunger more than soy and casein. At
the higher protein intake, there were no differences. Although not
significant, the amount of food consumed 3 hours after breakfast was
lowest after the whey protein breakfast. The findings provide clear
evidence that different proteins affect appetite differently, and whey
appears to reduce hunger the most when consumed with breakfast. This
appears to be linked to the
amino acid levels and appetite hormones in the blood.
Veldhorst
MA, Nieuwenhuizen AG, Hochstenbach-Waelen A, van Vught AJ, Westerterp
KR, Engelen MP, Brummer RJ, Deutz NE, Westerterp-Plantenga MS.
Dose-dependent satiating effect of whey relative to casein or soy.
Physiol Behav. 2009 Mar 23;96(4-5):675-82.
Disclaimer: The articles featured herein are for informational purposes only and should not be construed as medical advice. Specific medical advice should only be obtained from a licensed health care professional. No liability is assumed by ProSource for any information herein.
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