Penggunaan enzim bacillus megatorium DSM-319 pada proses perendaman penyamakan kulit jaket

R. Jaka Susila, Emiliana Kasmudjiastuti, Sri Sutyasmi


The purpose of the study was to obtain eco-friendly soaking process for goatskin and to shorten the soaking time. The enzyme used in the soaking process was Bacillus megatorium DSM-319, with enzyme concentration of 0.5, 1, and 1.5% and soaking time of 1, 1.5, and 2 hours. Each sample were tested for skin histology observation using photomicrograph, protein concentration analysis, tensile strength, elongation, colour fastness (dry and wet) and flexibility. The results showed that protein content of goat skin was decreased 42.32% after optimum soaking with 1% enzyme for one hour. The results of the physical testing of jacket leather with optimum soaking process met the quality requirements of SNI 4593:2011 Sheep/goat jacket leather.
Keywords: Bacillus megatorium DSM-319, enzyme, soaking, goatskin, jacket
Tujuan penelitian ini adalah untuk mendapatkan proses perendaman kulit kambing yang ramah lingkungan dan untuk mempersingkat waktu proses perendaman. Enzim Bacillus megatorium DSM-319 digunakan dalam perendaman dengan konsentrasi enzim berturut turut 0,5; 1 dan 1,5% dan variasi waktu berturut turut 1; 1,5 dan 2 jam. Evaluasi keberhasilan proses perendaman dilakukan dengan pengamatan histologi kulit menggunakan fotomikrograf, analisis kadar protein, kekuatan tarik, kemuluran, ketahanan gosok cat (kering dan basah) dan kelenturan. Hasil analisis kadar protein menunjukkan bahwa kadar protein kulit kambing setelah perendaman optimal pada konsentrasi enzim 1% selama 1 jam dengan penurunan sebesar 42,32%. Hasil uji fisika kulit jaket dari kulit kambing hasil perendaman dengan konsentrasi enzim sebesar 1% selama 1 jam telah memenuhi persyaratan mutu yang sesuai dengan SNI 4593:2011 Kulit jaket domba/kambing.
Kata kunci: Bacillus megatorium DSM-319, enzim, perendaman, kulit kambing, jaket

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BSN (Badan Standardisasi Nasional), 2011. SNI-4593-2011 Kulit jaket domba/kambing.

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