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All Journal Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Wahyu Fajar Winata
Department of Leather Processing Technology, Politeknik ATK Yogyakarta, Yogyakarta, Indonesia

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THE EFFECT OF DIFFERENT PRETANNING INGREDIENTS ON QUALITY OF THE SKIN OF TILAPIA FISH(OREOCHROMIS NILOTICUS) TANNED OF GAMBIER (UNCARIA GAMBIER) Heru Susanto; Swatika Juhana; Fadzkurisma Robbika; Fauzi Ashari; Wahyu Fajar Winata
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol. 23 No. 2 (2024): Berkala Penelitian Kulit, Sepatu, dan Produk Kulit
Publisher : Politek ATK Yogyakarta Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58533/y2sngz53

Abstract

Tanning of tilapia fish skin (Oreochromis niloticus) has been carried out using a variety of pretanning materials such as aluminum, chrome, glutaraldehyde, syntan with gambier (Uncaria gambier) as the main tanning agent. The research aims to determine the effect of pretanning ingredients on the physical and chemical quality of the skin tilapia fish of gambir so that the best formulation can be obtained. The process of tanning tilapia skin is carried out conventionally from salt-cured tilapia skin processed by BHO to the pikling process, pretanning with a variety of pretanning materials chrome, aluminum, glutaraldehyde and SB sodatan at 4% each, followed by main tanning with gambier various (25% 30%, 35%), post tanning, and finishing. The results of the skin quality test of tilapia fish tanned gambier with the best formula, namely code L with SB 4% sodatan pretanning with 35% gambier. This optimum formula produces a shrinkage temperature of 70 oC, higher tensile strength, sewing strength and burst resistance, the highest bound tannin content is 30.87%, and the degree of tanning is 69.18%.
Co-Authors Fadzkurisma Robbika Fauzi Ashari Heru Susanto Swatika Juhana