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What is the role of various enzymes in cleaning agents
1. Protease
所有的酶都是蛋白质，也是由20多种氨基酸构成的蛋白质分子，它对蛋白质和多肽分子中的肽键水解有催化效果。当前含酶清洗剂中运用的蛋白酶都是用微生物发酵的生物工程技术制备的。由微生物制取的蛋白酶常依据它效果的最合适pH值分为碱性蛋白酶、中性蛋白酶和酸性蛋白酶。应用于清洗剂中的蛋白酶在碱性介质中活性最强，当前含酶清洗剂中运用最多的是由芽孢杆菌发生的碱性蛋白酶。
2.脂肪酶
清洗剂中运用的脂肪酶也是耐碱性的，例如：由米曲霉得到的碱性脂肪酶的活性随着pH值添加而添加，最好pH值在10以上。所以，脂肪酶合适pH值高于10的环境，是耐强碱的酶。
3.纤维素酶
纤维素酶是将纤维素水解成葡萄糖的一组酶的总称。棉麻等天然纤维的首要化学成分都是纤维素，因此，参加洗刷剂中的纤维素酶有使棉布表面的细微微纤维分化而去掉的效果，所以格外合适洗刷棉布衣服和毛巾。用碱性纤维素酶浸泡棉织物的洗刷办法在欧洲和日本已有很长前史，当前在供洗刷棉织物的洗刷剂中也加有纤维素酶。
4.淀粉酶
淀粉酶是一种能对淀粉水解起催化效果的酶。在清洗剂中参加的淀粉酶是用芽孢杆菌和地衣芽孢菌出产的热稳定性好的碱性α-淀粉酶。α-淀粉酶和蛋白酶有极好的相容性能够混合运用。含淀粉酶的清洗剂首要用于衣物餐具的洗刷，去掉土豆泥，通心粉，麦片，米粒等淀粉污垢。
This article is from:http://www.newstar-china.com/
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