VitaminA VitaminD3 VitaminEAqueous
Injectable EmulsionforCattles(500000
i.u. 75000i.u. 50mg/mlwith
CremophorEL)
1.Formulation
VitaminApropionate..............................22.0g 2.5Mioi.u./g(BASF)
VitaminD3(Cholecalciferol).......................0.2g VitaminEacetate(BASF)..........................5.0g CremophorEL[1]...................................10.0g Butylhydroxyto luene.................................0.5g Benzylalcohol..........................................1.0g WaterforInjectable s..........................ad100ml
2.Manufacturing Thevitamins,CremophorEL,butylhydroxyto lueneandbenzylalcoholare
mixedto getherataround60C,andwaterat60Cisslowlyincorporated
withvigorousstirring.
Aftertheampouleshavebeensterilized,theyshouldbebrieflyshaken
whilsttheyarestillhot,to eliminateanyseparationofthephases.
3.Propertiesoftheemulsion
Paleyellowmilky,stableemulsionwithaviscosityoflessthan30mPas.
4.ChemicalstabilityofvitaminA(Stresstestat40C)
1Month2Months3Months
VitaminAcontent92%86%81%
5.Remark
InGermanyCremophorELmustbedeclaredonthepackageof
Injectable s.
关键字:vitamin