ph 4 0 enzymes in beer production

{"cid":"91219832","title":"Enzyme Activity 000 U\/g Powder\/Liquid Amylase Food Test for Optimal Food Industry Performance","imgUrl":"https:\/\/img.ismap.com\/nimg\/84\/75\/d71f4b88c34032376d850c96629e-200x200-1.jpg","attrs":{"Brand Name":"BESTHWAY","Model Number":"BXW22","Minimum Order Quantity":"100KG","Delivery Time":"10-15work days","Certification":"ISO9001,ISO22000","Place of Origin":"CHINA","Payment Terms":"T\/T, D\/P, D\/A, L\/C","Supply Ability":"100T\/month","Packaging Details":"20kg\/barrel","Recommended Usage in Beer Brewing":"300g\/T (Amylase 20,000U\/g), 92-97 \u2103, 20-30 minutes","Recommended Usage in MSG, Starch Sugar Industry":"600g\/T (Amylase 40,000U\/g), pH6.0-6.5, 95-100\u2103 for interval liquefaction, 95\u2103 for jet liquefaction","Storage Conditions":"Dry, ventilated, protected from light, 25\u2103, shelf life of 18 months for powders, 12 months for liquids","Main Enzymes":"20,000-40,000 U\/g","Product Name":"Food Grade High-temp Amylase","PH Range":"4.5-8.0","Package for Solid Product":"20kg\/barrel","Application Industries":"Baking, Alcohol, Beer, Vinegar, Soy Sauce, Fermentation"}}

{"cid":"91222928","title":"neutral protease 500000U\/g Used for protein, feed, and medicine, providing enzyme preparation sample","imgUrl":"https:\/\/img.ismap.com\/nimg\/57\/be\/05e8079f05e9630f9dd3047b9faf-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Doing-Higher","Model Number":"neutral protease","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","Physical properties":"Yellowish brown or brown powder","Enzyme activity":"50000U\/g-500000U\/g","Odor":"distinctive smell","Solubility":"soluble in water","Optimal pH value":"6.5-7.5","Optimal temperature":"50-55 \u2103","Product execution standards":"GB1886.174-2016","Addition amount":"0.1-0.3% (It depends on the actual situation)","Enzymatic hydrolysis time":"Conventional hydrolysis: 2-8 hours"}}