what is taurine in cat food

{"cid":"91224361","title":"Bulk Premium Grain Free Cat Treats High Protein Kittens Wet Canned Food","imgUrl":"https:\/\/img.chinax.com\/nimg\/6e\/d4\/e666bef7955620cfcf72bdfe4869-200x200-1.jpg","attrs":{"Price":"150USD","Model Number":"High-Quality Grain-Free Cat Treats: High-Protein Kitten Wet Canned Food","Minimum Order Quantity":"10PCS","Delivery Time":"10DAYS","Place of Origin":"USA","Payment Terms":"T\/T","Supply Ability":"10000000BOX","Protein":"8%","Calories":"10 per treat","Special Diet":"No artificial preservatives or colors","Flavor":"Chicken","Texture":"Crunchy","Moisture":"10%","Fiber":"2%","Ingredients":"Chicken, Wheat Flour, Corn Starch, Vegetable Oil, Sugar, Salt","Fat":"5%","Life Stage":"All Life Stages","Size":"Small","Suitable For":"All dog breeds","Product Type":"Pet Supplies","Feature":"Eco-Friendly, ECO-friendly","Natural":"No","Weight":"Varies by product","Nutritional Information":"Protein 25%, Fat 12%, Fiber 3%","Productname":"Animal Pet Supplies","Color":"Varies (Red, Blue, Green, etc.)","Package":"color bag","Manufacturer":"Animal Supplies Co.","Scent":"Unscented","Usage":"Feeding, Grooming, Training, Playing","Material":"Varies (Plastic, Metal, Fabric, etc.)","Easytoclean":"true","Animal Type":"Dog"}}

{"cid":"91222987","title":"[Heart Guardian]Freeze dried raw meat food for cat and dog.Protects the heart, pet snacks, and taurine coenzyme for cats and dogs.","imgUrl":"https:\/\/img.chinax.com\/nimg\/4b\/dd\/174d2948f708a318006d68efd1c6-200x200-1.jpg","attrs":{"Price":"6USD\/box","Brand Name":"AISU.ZhanLiPin","Minimum Order Quantity":"200 boxes of single flavor","Delivery Time":"5-8 work days","Place of Origin":"China","Payment Terms":"L\/C","Supply Ability":"1500boxes of single flavor","Packaging Details":"30 grams per box ,dimension\uff1a16*6.5*8cm","Weight":"2 grams","Flavor":"Chicken","Form":"Chunks","Packaging Type":"Bag","Life Stage":"Adult","Type":"Dry","Special Features":"Protects the heart","Preparation":"Freeze-dried","Size":"Small"}}