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. 2019 May 13;11(5):1064. doi: 10.3390/nu11051064

Figure 3.

Figure 3

Postprandial plasma concentration of glycine (A), proline (C), hydroxyproline (E) and Gly-Pro-Hyp (G) after ingestion of enzymatically hydrolyzed collagen (EHC), non-enzymatically hydrolyzed collagen (NC) or placebo. Area under the curve (AUC) analysis for each concentration of glycine (B), proline (D), hydroxyproline (F) and Gly-Pro-Hyp (H) is evaluated from time = −20 min. * Significant difference between EHC and NC. # significant differences between either of the collagen products and placebo. * p < 0.05, ** p < 0.002 *** p < 0.0002, **** p < 0.0001, # p < 0.05, ## p < 0.002, ### p < 0.0002, #### p < 0.0001. Values are mean ± SEM.