MISC 02 - Examples of Pharmaceutical Ingredients Flashcards
Used in liquid preparations to provide acidic medium for product stability
Acidifying agent
Used in liquid preparations to provide alkaline medium for product stability
Alkalinizing agent
An agent capable of holding other molecules onto its surface by physical or chemical means
Adsorbent
Agent responsible for developing the pressure within an aerosol container and expelling the product when the valve is opened
Aerosol propellant
Agent employed to displace air in a hermetically sealed container to enhance product stability
Air displacement
Used in liquid and semisolid preparations to prevent growth of fungi
Antifungal preservative
Used in liquid and semisolid preparations to prevent growth of microorganisms
Antimicrobial preservative
Used to prevent deterioration of preparations by oxidation
Antioxidant
Used to resist change in pH upon dilution or addition of acid or alkali
Buffering agent
Substance that forms stable water soluble complexes (chelates) with metals
Chelating agent
Used to impart color to liquid and solid preparations
Colorant
Used as a filtering aid for its adsorbent qualities
Clarifying agent
Used to promote and maintain dispersion of finely subdivided particles of liquid in a vehicle in which it is immiscible
Emulsifying agent
Used to form thin shells to enclose a drug for ease of administration
Encapsulating agent
Used to impart a pleasant flavor and often odor to a preparation
Flavorant
Used to prevent drying of preparations, particularly ointments and creams
Humectant
Liquid used as an intervening agent to reduce the particle size of a powder by grinding, usually in a mortar
Levigating agent
Semisolid vehicle for medicated ointments
Ointment base
Component of film-coating solutions to make film more pliable
Plasticizer
Used to dissolve another substance in preparation of a solution
Solvent
Used to increase thickness or hardness of a preparation, usually an ointment
Stiffening agent
Vehicle for suppositories
Suppository base
Substances that absorb to surfaces or interfaces to reduce surface or interfacial tension
Surfactant (Surface active agent)
Viscosity-increasing agent used to reduce sedimentation rate of particles in a vehicle in which they are not soluble
Suspending agent