microcapsules F

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List of coating materialsWater soluble resin Water insoluble resin Wax and lipid Enteric resinGelatin Ethyl cellulose Paraffin ShellacGum Arabic Polyethylene Carnauba wax ZeinPolyvinyl pyrrolidone Polymethacrylate Bees wax Cellulose acetatephthalateCarboxy methyl cellulose Cellulose nitrate Stearic acidMethyl cellulose Silicones Stearyl alcoholArabinogalactanPolyvinyl acrylate
Properties of some microencapsulated core materialsCore materialAspirinCharacteristicpropertySlightly watersoluble solidPurpose of encapsulationTaste masking; sustained release;reduced gastric irritation,separation of incompatibilitiesFinal product formTablet or capsuleVitamin A palmitate Non volatile liquid Stabilization to oxidation Dry powderIsosorbide dinitrate Water soluble solid Sustained release capsule
Page 1 and 2: Contents1. Introduction2. Reasons f
Page 3 and 4: Reasons for Microencapsulation• I
Page 5: Formulation considerations1. Core m
Page 9 and 10: 1. Physical MethodsA. Air suspensio
Page 11 and 12: C. Pan coating: It is the one of th
Page 13 and 14: 2. Chemical MethodsSolvent evaporat
Page 15 and 16: Phase separation can be achieved by
Page 17 and 18: Particle size analysis-For size dis
Page 19: • A liquid can be converted to a

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