determination of alpha amylase activity

{"cid":"91222928","title":"5000U\/G-100000U\/G Fungal Alpha Amylase Baking Industry Enzymes","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/8c\/23\/4369a58b625f29e830a0f9b0f34d-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Doing-Higher","Model Number":"Fungal \u03b1-amylase","Minimum Order Quantity":"1 Kg","Delivery Time":"5-15 days","Certification":"ISO FSSC22000 HALAL","Place of Origin":"Nanning, Guangxi, China","Payment Terms":"T\/T,Western Union,MoneyGram","Supply Ability":"3T\/day","Packaging Details":"Outer packaging: cardboard box, cardboard drum","product name":"Fungal Alpha Amylase","application":"Baking Industry Enzymes","type":"alpha amylase powder","Solubility":"soluble in water","Enzyme activity":"500U\/G-100000U\/G","use for":"bread"}}

{"cid":"91196724","title":"Hagbery Perten Method A Amylase Activity Analyzer Measurement Error <5% GB\/T 10361-2008","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/95\/2e\/7a5c92321856814a3a325f04124d-200x200-1.jpg","attrs":{"Brand Name":"Shandong Shengtai Instrument","Model Number":"ST006A\/B","Minimum Order Quantity":"1","Delivery Time":"7-15 work days","Certification":"GB\/T 10361-2008","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"10000 sets\/year","Packaging Details":"wooden case","Weight of stirring rod":"25g\u00b10.05g","Inner diameter of viscosity tube":"d=21mm \u00b1 0.02mm","Outer diameter of viscosity tube":"D=23.8mm \u00b1 0.25mm","Viscosity tube inner wall height":"h=220mm \u00b1 0.3mm","Heater power":"600W","Measurement error":"<5%"}}