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名称
胰脂肪酶 来源于猪胰腺
货号
P755357-25g
包装规格
25g
级别
USP
浓度
8 ×
产品介绍
胰酶是由猪胰腺的外分泌细胞产生的几种消化酶的混合物。它是由淀粉酶、胰蛋白酶、脂肪酶、核糖核酸酶和蛋白酶组成的广谱蛋白酶。 它被用于 体内 消化性分析。产品P7545已可用于测定纤维素分解菌抑制剂的敏感性。该酶与淀粉糖苷酶联用,用于食品样品中淀粉的 体外 消化。Sigma的胰酶已可用于 体外 胃蛋白酶-胰酶消化试验,同时利用瘤胃饲料残渣估计较低的肠道消化率。它还与胃蛋白酶一起被用于模拟 体外 猪胃和回肠对原料的消化。 Pancreatin is a mixture of several digestive enzymes produced by the exocrine cells of the porcine pancreas. It is a broad-spectrum protease composed of amylase, trypsin, lipase, ribonuclease and protease. It is used for in vitro digestibility analysis . Product P7545 has been used to test the sensitivities of cellulolytic bacteria inhibitors . The enzyme has been used along with amyloglucosidase for the in vitro digestion of starch in food samples. Pancreatin from Sigma has been used for in vitro pepsin-pancreatin digestion assays while estimating of lower gut digestibility using rumen feed residues. It has also been used along with pepsin to simulate in vitro gastric and ileal digestion of raw materials in pigs.
生化机理
由于胰蛋白酶、淀粉酶和脂肪酶等酶的作用,胰酶可水解蛋白质、淀粉和脂肪。 胰酶能在40°C的水中在5分钟内将不少于其25倍重量的土豆淀粉转化为可溶性碳水化合物,可在40℃,pH7.5条件下,在60分钟内消化不少于自身重量25倍的酪蛋白并可在37℃,pH9.0条件下,从橄榄油中每分钟每毫克胰酶释放不少于2微当量的酸。胰酶由猪胰腺的外分泌细胞产生,含有胰蛋白酶、淀粉酶和脂肪酶、核糖核酸酶和蛋白酶等酶组份。 这种酶的组合使其能够水解蛋白质、淀粉和脂肪。 在 40°C 水中,胰酶在 5 分钟内将不少于其重量 25 倍的马铃薯淀粉转化为可溶性碳水化合物,在 pH7.5,40℃ 下,胰酶在 60 分钟内消化不少于重量 25 倍的酪蛋白,在 pH9.0,37℃ 下,每毫克胰酶每分钟将从橄榄油中释放不低于微当量的酸。
Merck Index
7006
Safety
「No Dangerous Attributes」
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Research chemical USP; 25g

Research chemical USP; 25g; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: USP; 25g.

item number:P755357-25g
Product model:25g
level: USP; 25g
Lead Time:30days
sold 244 Items
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25g

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