Otención de Cuero de Tilapia con la Utilización de Diferentes Tipos de Curtientes.

Abstract

In the installation of Skin Tannery Laboratory of the FCP (Cattle Sciences Faculty), of the ESPOCH, the physical and sensorial characteristics of tanned tilapia skin were evaluated with different types of tanning (aluminum, loutish and chromium), with 3 treatments, 4 repetitions and size of the experimental unit of 3, which were replied 2 consecutive times, modeled under a complemented at random Design with bivariate arrangement. In the analysis of the physical resistances of flexometry, (80.75 N/cm2 ), tear resistance (30.88 cycles) and elongation percentage (48.88%), the best results were registered in the tilapia skins tanner with chromium, values that when were compared with the technical regulations of the Skin Spain Association, got over widely the quality limits. In the sensorial evaluation it was registered the best scores on fullness (4.75 scores), softness (4.38 points) and flower finesses (4.75 points), in the tanned skins with chromium, which obtained excellent scores. The effect of the essays as for physical resistances as well as for sensorial score didn’t register statistical differences, this is skin characteristics were standardized. In the economical evaluation of profit – cost, the biggest profitability was determined when tanning tilapia skins with chromium UDS (1.23), this is 23% profit, so it is recommended to tan tilapia skins with chromium.