BLENDING PROCESS: Blending of solid particles refers to mixing of solids with the aim of attaining a uniform composition throughout the mix. In powder blending two or more dissimilar particulate solids are blended to give a random mix. Objective of blending is to form a homogeneous final product from two or more dissimilar raw materials. … Read more
MILLING PROCESS: Milling process is also called as ‘screening’ and ‘sizing’ process. Milling is employed between RMG and Blending to crush the larger particles from granulation into uniform small particles which meets the process requirement. Milling isperformed to remove lumps, improve flow, reduce segregation and to control the particle size. Milling is performed by using … Read more
Unit Operations: The manufacture of Tablets is a complex multi-stage process under which the starting materials change their physical characteristics a number of times before the final dosage form is produced. Numerous unit operations are involved in making Tablets including sifting, mixing, granulation, drying, sizing, blending, lubrication, compression and coating. DISPENSING OF RAW MATERIALS (API … Read more
Formulation of Capsules includes active ingredient and excipients (Fillers, Disintegrant and Glidant / Lubricant). Particle size distribution (PSD) and bulk density (BD/TD) of API/Excipients is important parameter in the selection of capsule size. Determination of appropriate capsule size for formulation: Blend with BD 0.4 g/cc and fill weight 200 mg to filled D= M/V 0.4 … Read more
CAPSULES: Capsules are solid dosage forms in which medicinal agents are enclosed within hard or soft soluble shell of gelatin. The capsules are regarded as container drug delivery system that provides a tasteless/odorless dosage form without need for secondary coating step. Advantages of Capsules: Disadvantages of Capsules: TYPES OF CAPSULES: Capsules can be broadly classified … Read more
TABLETS: Tablets are the solid pharmaceutical dosage forms containing drug substances with or without suitable diluents and prepared either by compression or molding methods. Advantages of Tablets: Disadvantages of Tablets: EXCIPIENTS USED IN THE MANUFACTURE OF TABLETS: In addition to the active ingredient, solid dosage forms will also contain a range of substances called excipients. … Read more
Pharmaceutical Dosage Forms: Dosage forms are the means by which drug molecules are delivered to sites of action within the body. The requirement for dosage forms: Classification of pharmaceutical dosage forms: Dosage forms are classified according to route of administration and physical forms. ORAL DOSAGE FORMS: SOLID DOSAGE FORMS TABLET: A tablet is a hard, … Read more
