Non Aqueous Liquids Tinctures Flashcards
Alcoholic or hydroalcoholic solutions prepared by using vegetable materials or chemical substances
Tinctures
Represents 20 g of drug in every 100 ML of tincture.
Tincture of Vegetable drugs
10 g of drug for every 100 ML tincture represents
Tinctures of potent drugs
Extracts the active constituents of a crude drug
Extraction
Slow passage of suitable solvent through a column of drug
Percolation
Submerging the solute in a suitable menstruum or solvent
Maceration
No heat is involved because this process is used to extract thermolabile components
Maceration
Process of extraction with the aid of gentle heat
Digestion
Drug is extracted by heating at a particular pressure because this will increase the penetration power of the menstruum or the solvent for complete extraction of the drug
Digestion
Blanching
Infusion
Addition of water for a short period of time may be hot or cold.
Infusion
This process of extraction is done for drugs that can be easily penetrated by water
Infusion
Boiling the crude drug with a menstruum for 15 minutes
Decoction
Product prepared by extraction of drug with suitable solvent
Extract
2 to 6 times more potent than crude drug
Extract
What are the three physical characters of the extract?
Semi liquid
Pilular
Dry powder
Syrupy 20 ML of the solvent is left
Semi liquid
Solid extract plastic masses all solvent has been evaporated
Pilular
Powdered extract starchy drug
Dry powder
Example of dry powder
Cassava and radish
Alcoholic or hydroalcoholic solution prepared from vegetable or animal drug or from a chemical substance
Tincture
Potency of tincture
10% to 20% potency equivalent to 10 to 20 g of solute in 100 ML
Alcohol content of tincture
Less than 50% alcohol content
Methods of preparation of tinctures
Simple solution (iodine tincture)
Maceration (sweet orange peel tincture and compound benzoin tincture)
Percolation (Belladonna tincture)
Also known as process M
Maceration
Also known as process P
Percolation
Liquid preparation of vegetable drug (prepared by percolation) containing alcohol as a solvent, made that each mL contains 1 gram of drug.
Fluid extract
100% tincture
Fluid extract
Too potent to be safely administered
Fluid extract
Fluid extract
Method of preparation: percolation
Process A: Assay
Process B: hot water used as menstruum
Process E: longer narrower percolator
Formula of iodine tincture
Iodine crystal
Sodium iodide
Alcohol
Purified water
Solubilizing Agent for the poorly solubilized iodine crystal
Sodium iodide NaI
Prevent the formation of ethyl iodide which reduces bacteriostatic activity
Sodium iodide
Preparation used for iodine tincture
Simple solution method
Type of spatula used for dealing with iodine crystals
Porcelain spatula
Category of iodine tincture
Topical tincture
Synonyms of iodine tincture
Tincture of iodine
Tinctura iodi
Solutio iodi
Spiritucae weak solution of iodine
Reddish brown color that produces a stain on the skin
Iodine tincture
Local anti-infective Agent applied topically to the skin,
germicide
fungicide
And antiseptic for general household and first aid procedure purposes.
Iodine tincture
Label of iodine tincture
Red label in a tight light resistant container
to prevent the loss of alcohol and exposure of direct sunlight and excessive heat
