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What is the primary purpose of alcohol in tinctures?
What is the primary purpose of alcohol in tinctures?
Tinctures have a low alcohol content, generally ranging from 5 to 15%.
Tinctures have a low alcohol content, generally ranging from 5 to 15%.
False
What is one disadvantage of tinctures?
What is one disadvantage of tinctures?
Unpleasant taste
The standard preparation ratio for tinctures is ___ parts of liquid to 1 part of herb.
The standard preparation ratio for tinctures is ___ parts of liquid to 1 part of herb.
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Which of the following is NOT an example of a tincture applied topically?
Which of the following is NOT an example of a tincture applied topically?
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Match the tincture with its primary use:
Match the tincture with its primary use:
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Tinctures must be stored in light-resistant containers to avoid degradation.
Tinctures must be stored in light-resistant containers to avoid degradation.
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What alcohol content is recommended for preparing a tincture with a shelf life of at least one year?
What alcohol content is recommended for preparing a tincture with a shelf life of at least one year?
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What is the primary method used in the preparation of tinctures by softening?
What is the primary method used in the preparation of tinctures by softening?
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Tinctures are always prepared using potent drugs only.
Tinctures are always prepared using potent drugs only.
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What type of drugs are used to prepare Belladona Tincture?
What type of drugs are used to prepare Belladona Tincture?
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The process of _____ involves extracting active components from herbs using solvents.
The process of _____ involves extracting active components from herbs using solvents.
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Match the following tinctures with their primary uses:
Match the following tinctures with their primary uses:
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Study Notes
Tinctures
- Alcoholic or hydroalcoholic solutions prepared from vegetable materials or chemical substances.
- Alcohol content ranges from 15% to 80%.
- Alcohol acts as a preservative and keeps alcohol-soluble extractives in solution.
- Other solvents, like glycerin, may be used.
- Stored in tightly stoppered containers and protected from excessive temperatures and sunlight.
Disadvantages of Tinctures
- Unpleasant taste.
- Physicians may prefer single drugs instead of preparations from plants.
- High alcohol content.
Examples of Tinctures Applied Topically
Green Soap Tincture
- Coconut and vegetable oil-based soap blend.
- Contains 30% ethyl alcohol, glycerin, and 2% lavender oil.
- Used for skin cleaning after tattoos and piercings, cleaning surgical instruments.
- Its oily base soothes the skin and keeps it soft.
- Glycerin helps restore moisture and minimizes the drying effects of alcohol.
- Named for its natural yellowy-green color but can be any color.
Compound Benzoin Tincture (CTB)
- Applied to skin before adhesive bandages to protect from allergy and improve adhesion.
- Orthopedists use CTB in an aerosol can before casting to protect skin and reduce itching.
- Used as an oral mucosal protectant.
Iodine Tincture
- An antiseptic, also called weak iodine solution.
- Contains 2–7% elemental iodine, with potassium iodide or sodium iodide, dissolved in ethanol and water.
Variations of Official Tinctures
- Differ in method of preparation, strength of active constituent, alcohol content, and intended use.
Old Method of Tincture Preparation
- Use a minimum of 40% alcohol for extraction.
- Use a dark-colored bottle.
- Dried and powdered plant material is placed in the bottle.
- Standard preparation uses a 4:1 ratio of liquid to herb.
- Add ½ cup of water and ½ cup of 180 proof alcohol.
- Soak for 4 weeks in a cool, dark place.
- Filter the solution.
- Transfer the filtered solution to a suitable container.
Methods of Tincture Preparation
- Simple solution: prepared from chemical substances (e.g., iodine, thimerosal, nitromersol tinctures).
- Extraction: using maceration or percolation.
Maceration
- "Softening" method used for preparing tinctures, extracts, and concentrated infusions.
- Simplest method of crude drug extraction.
- Examples: compound benzoin tinctures, sweet orange peel tincture, and tolu balsam tincture.
Percolation
- Examples: belladonna tincture and vanilla tincture.
Strength of Active Components
- No set strength for compound tinctures, varies with preparation.
- The amount of crude drug used per 100mL of tincture is generally:
- Potent drugs: Belladonna leaf – 10 g
- Non-potent drugs: Tolu Balsam – 20 g
- Undried fresh fruit peel: sweet orange peel – 50 g
Pharmaceutical Uses
- Flavoring: Vanilla, sweet orange peel, Tolu balsam tinctures.
- Medicinal: Iodine tincture, Thimerosal, Nitromersol tinctures.
- Anti-infective: Compound Benzoin Tincture.
- Topical protectant: Green soap Tincture.
- Topical detergent: Belladonna tincture (anticholinergic).
Evaluation of Tincture
- Relative density (or specific gravity).
- Total solid residue.
- pH.
- Moisture content.
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Description
Explore the characteristics and applications of tinctures, particularly in medical and cosmetic contexts. This quiz highlights the benefits and drawbacks of tincture preparations, including specific examples like Green Soap Tincture. Test your knowledge on the formulation, storage, and practical uses of tinctures.
