The process of water removal for both types of collagen takes place in similar temperature ranges (Figs. 1 and 2, 1st heating run). However, when compared with BAT collagen, the area below the curve for FSC is bigger (Figs. 1 and 2, 1st heating run). The temperature range area where water release process was observed is consistent with results found in [14], where the release of bound water was reported in 313–443 K and 353–373 K. The peaks visible after the first heating run indicated the loss of free and bound water.