Feed gradeluteinpowderisapure-naturalfeedadditiveobtainedfromsaponificationofluteinresintakenfromthemarigoldandthenaddamixtureofcarrier. Application:feedadditive,mainlyusedforaddingcolortothesurfaceofthechicken,fat,tibiaandeggyolk. Recommendingdosages:Adding10--30gluteintoonemetrictonfeedoraccordingtocustomers’requirements. Usingmethod:tobemixedwithothermaterialsforpre—mixedandweshouldusealltheproductstimelyonceweopenthepackages. Characteristics:yellowpowder,goodliquidity,90%at20meshsieve,withthespecialsmellofmarigold,easilydispersibleinwater,vegetableoilandn-hexane. QualityIndex: Xanthophylls 10-70g/kg Antiformxanthophylls ≥85% Saponificationrate ≥97% volatiles ≤15% lead ≤30mg/kg Arsenic ≤3mg/kg TheproductqulityisinlinewiththestandardsofQ/03TY002-2008andFAO/WHO. Packages:15,20kg/aluminumfoilbagsoraccordingtothecustomers’requirements. Storageandthevalidity:donotputtheproductdirectlyunderthesunlightorhightemperatureconditions,keeptheproductsealingatcooldryplace,validityis12monthsunderintactpackage