PENYAMAKAN KULIT IKAN NILA (Oreochromis sp.) DENGAN PERLAKUAN PEMUCATAN (BLEACHING) MENGGUNAKAN PEROKSIDA

https://doi.org/10.22146/jfs.9103

Nurul Hak(1*)

(1) Balai Besar Penelitian dan Pengembangan Pengolahan Produk dan Bioteknologi Kelautan dan Perikanan
(*) Corresponding Author

Abstract


Research for tanning fish skin nile (Oreochromis sp.) on bleaching treatment has been done. Concentration of peroxide as bleaching agent variated in 2, 4, and 6% (v/w) and non bleaching process as a control. As a nile Leather product research characterized trough physic parameter, chemical and organoleptic analysis. Result of nile leather product the optimal amount of peroxide was 4% which resulted in tensile strength of 205 kg/cm2, elongation of 84,67%, sewing strength of 117,29%, and rigid temperature of 84oC. Chemical properties for the 4% peroxide were 14.99% of water content, 1.65% of chrome content, 2.25% of ash content, and 12.90% of lipid content. Sensory analysis shows that nile leather in the same variable (4% peroxide) has smooth surface that most panelist valuated and it has scale tissue unique motif, shinning surface, elastic, soft, and meatless. The colour of scale tissue was a soft dark, but the most of panelist choose nile fi sh leather with 6% peroxide bleaching treatment.


Keywords


fish skin nile, tanning, bleaching, hydrogen peroxide

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References

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DOI: https://doi.org/10.22146/jfs.9103

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