产品名称

Bromelain from pineapple stem

含 量

5-15units/mg protein; Protein, 30-50% biuret

CAS  NO.

37189-34-7

MDL  number

MFCD00081423

适用范围

生物试剂

l  理化信息

外 观

白色至类白色或黄色冻干粉末

溶解性(25°C)

H²O: soluble 1.0mg/mL, clear, colorless

l  生物学信息

生物活性/药理作用

Bromelain is a cysteine endopeptidase with broad specificity for cleavage of proteins. Bromelain may be from a stem or piece of fruit. The product (pGlu-Phe-Leu-p-nitroanilide) may be used as a chromogenic substrate for the assay of bromelain.

应 用

Bromelain may be used to inhibit the biosysnthesis of proinflammatory prostaglandins. It may be used to reduce clotting efficiency. Bromelain, from pineapple stem, has been used to make enzymatic hydrolysates of honeybee-collected pollen .

样品准备说明

Lyophilized powder containing mannitol and  potassium phosphate buffer salts; Chromatographically purified. Dissolves in water at 1mg/mL concentration to form a clear, colorless solution.  

有效单位定义

One unit will release 1.0μmole of p-nitrophenol from N-α-Z-L-lysine p-nitrophenyl ester per min at pH4.6 at 25°C.

l  存储

存储温度

-20°C

l  注意事项及免责声明

本产品仅用于实验研究，不得作为药物使用，不得用于家用或其它用途。

l  参考文献

1.    http://www.drugbank.ca

2.    https://ncit.nci.nih.gov

3.    https://www.ncbi.nlm.nih.gov