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耐高温α-淀粉酶、中温α-淀粉酶、真菌α-淀粉酶、糖化酶、水洗酶,蛋白酶、脂肪酶、木聚糖酶、β-葡聚糖酶、纤维素酶、过氧化氢酶等系列

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glucoamylase

total supply
0
MOQ
0
area
ShandongJinan City
Delivery period:
Shipped within 3 days from the date of payment by the buyer
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area:Shandong Jinan City

Member level:corporate memberYear1

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济南德美生物技术有限公司

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Product Details

 
一、产品概述
德美公司糖化酶是由黑曲霉优良菌种,经深层发酵提取而成。糖化酶又称葡萄糖淀粉酶,能从淀粉分子非还原性末端开始,分解α-1,4葡萄糖苷键,也能缓慢水解α-1,6和α-1,3健转化为葡萄糖,广泛应用于酒精、味精、淀粉糖、啤酒酿造、抗菌素等行业。
二、产品规格及其质量指标
项目
指标
项目
指标
外观
浅棕色液体或黄褐色粉末
温度适应范围
40-65
酶活u/ml(g)
100000、200000、260000
最适温度
60℃
气味
无异味
固体干燥失重
8%
pH值适应范围
3.0-5.5
40目标准筛
80%
最适pH值
4.0-4.5
液体容重
1.25g/ml
执行标准
QB1805.2-93,GB8276-2006
三、酶活力定义
1克酶粉或1毫升酶液于40℃,pH4.6条件下,一小时水解可溶性淀粉产生1毫克葡萄糖的酶量为一个酶活力单位u/g(u/ml)。
四、应用方法
1、酒精工业:原料经蒸煮冷却到60℃,调pH4.0-4.5,推荐添加量120-200单位/克原料(1.2—2.0公斤/吨原料),搅拌均匀,保温30—60分钟,冷却后发酵。在使用糖化酶前,先用冷水将酶溶解,加水比1:10以上为宜,搅拌均匀,加入间隙糖化锅中。若采用连续糖化,糖化酶溶液搅拌均匀后,按醪液流量加入所需酶量,注意须防止醪液走短路,未经糖化就流出。在糖化过程中必须经常搅拌。
2、淀粉糖工业:原料经液化后,调pH4.2-4.5,冷却到60℃加该酶,推荐添加量100-300单位/克原料。
3、啤酒工业:在糖化或发酵前加入糖化酶,可补充麦芽中酶量不足,提高啤酒发酵度。推荐添加量为20-50单位/克原料(以麦芽干重计)。
4、酿造工业:在白酒、黄酒、曲酒等酒类生产中以酶代曲,可以提高出酒率,缩短发酵周期。亦可应用于食醋和酱油工业。
五、包装与储存
济南德美生物技术有限公司液体产品采用无毒塑料桶装,25KG/桶。固体内包装为无毒塑料袋,外包装为25千克/袋。
本品属生物活性物质,强光、高温将会引起酶失活。应置于低温、干燥处保存,避免阳光直射。
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