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Les protéines laitières rapides ont un impact à court et à long terme sur la glycémie

05/11/2017 | Etudes sur les hormones et Etudes Compléments alimentaires et Etudes Perte de poids et Etudes Anti-âge

 

Cela explique que l’on peut ne pas le sentir au début puis y devenir sensible

Comparison between pre–exercise casein peptide and intact casein supplementation on glucose tolerance in high–fat diet–fed mice

Yutaka Matsunaga         Applied Physiology, Nutrition, and Metabolism, 2017

We hypothesized that along with exercise, casein peptide supplementation would have a higher impact on improving glucose tolerance than intact casein. Male six–week–old ICR mice were provided a high–fat diet to induce obesity and glucose intolerance. The mice were randomly divided into four treatment groups: control (Con), endurance training (Tr), endurance training with intact casein supplementation (Cas+Tr), and endurance training with casein peptide supplementation (CP+Tr). The mice in each group were orally administrated water, intact casein, or casein peptide (1.0 mg/g BW, everyday), and then subjected to endurance training (15–25 m/min, 60 min, 5 times/week for 4 weeks) on a motor–driven treadmill 30 min after ingestion. Our results revealed that total intra–abdominal fat was significantly lower in CP+Tr than in Con (p<0.05). Following an oral glucose tolerance test, the blood glucose area under the curve (AUC) was found to be significantly smaller for CP+Tr than for Con (p<0.05). Moreover, in the soleus muscle, GLUT4 protein levels were significantly higher in CP+Tr than in Con (p<0.01). However, intra–abdominal fat, blood glucose AUC, and GLUT4 protein content in the soleus muscle did not alter in Tr and Cas+Tr when compared with Con. These observations suggest that pre–exercise casein peptide supplementation has a higher effect on improving glucose tolerance than intact casein does in high–fat diet–fed mice.

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