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Potentiality of Bacillus weihenstephanensis PKD5 Keratinase for Eco-Friendly Dehairing of Skins and Hide

机译:维氏芽孢杆菌PKD5角蛋白酶对皮肤和皮革的生态友好脱毛的潜力

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Comparative dehairing efficiency of Na2S (1.5%), CaO (1.5%) and crude keratinase (15.3 U/ml) of Bacillus weihenstephanensis PKD5 was investigated in single and in combination on cow hide, goat and sheep skin. Complete dehairing was achieved by treatment with Na2S, CaO with Na2S, Na2S with crude keratinase and crude keratinase after 2, 2, 2 and 10 h respectively. Among all the treatments, the enzyme treated skin/hide was comparatively more white, smooth and shiny due to release of intact hair with follicle from skin/hide. Though chemical(s) and combination of chemical with enzyme dehair the skin/hide in relatively less time but the enzymatic dehairing improved the leather quality. So, the keratinase is produced using low cost poultry feather which can be employed for dehairing that is sustainable and potential to replace the chemical dehairing in leather industries.
机译:在母牛皮,山羊皮和绵羊皮上,对魏氏芽孢杆菌PKD5的Na2S(1.5%),CaO(1.5%)和粗角蛋白酶(15.3 U / ml)的脱毛效率进行了比较。通过分别在2、2、2和10小时后用Na2S,用Na2S的CaO,用粗角蛋白酶的Na2S和粗角蛋白酶处理,可以实现完全脱毛。在所有处理中,由于从皮肤/皮革中释放出完整的带有毛囊的毛发,因此酶处理过的皮肤/皮革相对更白,光滑和有光泽。尽管化学试剂和化学试剂与酶的结合可以在较短时间内使皮肤/皮革脱毛,但是酶促脱毛可以改善皮革质量。因此,角蛋白酶是使用低成本的家禽羽毛生产的,该家禽羽毛可用于脱毛,这种脱毛是可持续的,并且有可能替代皮革行业中的化学脱毛。

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