Plasma PYY after oral administration of juice enriched with hydrolysate collagen
The current study aims to evaluate if a juice enriched with hydrolysate collagen can stimulate the production of PYY compared to the control group. This is an
experimental, observational and analytical study conducted at the University of Ribeirão Preto (SP). They were eligible for the study 15 women who randomly were divided into two groups: intervention and control. At time zero, the selected women had blood samples taken for analysis of plasma concentrations of PYY. Following the blood collection, each woman received 1 cup of artificial fruit juice, packed in a nontransparent glass so as not to allow the recognition of its contents. The control group received artificial fruit juice and the intervention group received artificial fruit juice with 10 g of collagen hydrolyzate. After ingestion of the juices, at times 15, 30, 45 and 60 minutes, blood samples were again collected for plasma analysis of PYY concentrations. Results: It was observed that the PYY secretion was not influenced by collagen ingestion in the intervention group. In the control group, it was observed a maintaining the PYY concentration at all times. Comparing the two groups at each time, there was no difference. Conclusions: Collagen ingestion was not able to influence PYY secretion.