Category: Pharmaceutical Excipient Types

Antioxidants are used to prevent deterioration of preparations by oxidation Examples Ascorbic acid Ascorbyl palmitate Butylated hydroxyanisole Butylated hydroxytoluene

Antimicrobial Preservative is used in liquid and semisolid preparations to prevent  growth of microorganisms Examples Benzalkonium chloride

Antifungal  preservative is used in liquid and semisolid preparations to prevent  growth of fungi. Effectiveness of parabens is usually  enhanced by use in combination Examples Butylparaben Ethylparaben Methylparaben Benzoic acid

Air displacement agent is employed to displace air in a hermetically sealed container to enhance product stability Examples           Nitrogen Carbon dioxide

Agent responsible for developing the pressure within an aerosol container and expelling the product when the valve is opened. Examples Carbon dioxide Dichlorodifluoromethane

An adsorbent is an agent capable of holding other molecules onto its surface by physical or chemical (chemisorption) means. Examples Powdered cellulose Activated charcoal

Alkalizing agent is used in liquid preparations to provide alkaline medium for product stability…. Examples Ammonia solution, Ammonium carbonate, Diethanolamine, Monoethanolamine, Potassium hydroxide, Sodium bicarbonate