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Questions and Answers
What is the minimum percentage of extractable matters in Valeriana?
What is the minimum percentage of extractable matters in Valeriana?
- 20%
- 15% (correct)
- 10%
- 5%
Which of the following is NOT an active constituent of Valeriana?
Which of the following is NOT an active constituent of Valeriana?
- Flavonoids (correct)
- Alkaloids
- Valepotriates
- Volatile oil
What are valepotriates in Valeriana primarily composed of?
What are valepotriates in Valeriana primarily composed of?
- Sesquiterpenes and flavonoids
- Phenols and terpenes
- Esters and alcohols
- Acevaltrate, didrovaltrate, and valtrate (correct)
Which property is associated with Valeriana due to the presence of valepotriates?
Which property is associated with Valeriana due to the presence of valepotriates?
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For what therapeutic use is Valeriana NOT generally used?
For what therapeutic use is Valeriana NOT generally used?
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Study Notes
Valerian Rhizome
- Originates from the rhizome, stolons, and roots of Valeriana officinalis, a plant belonging to the Valerianaceae family.
- Collected in the autumn and dried at a temperature below 40°C to preserve its properties.
Composition
- Consists of at least 15% extractable matters.
- Contains volatile oil (0.5-1%) comprising esters, alcohols, terpenes, and sesquiterpenes.
- Rich in valepotriates (epoxy-iridoids esters), a mixture of acevaltrate, didrovaltrate, and valtrate.
- Alkaloids (0.05-1%) are also present, including valerine.
Therapeutic Uses
- Used as a sedative to treat hysteria, nervous disorders, and insomnia to induce sleep.
- Can be used alone or in combination with other sedatives, such as bromides.
- Exhibits cytotoxic properties in vitro due to the presence of valepotriates.
- Possesses carminative properties.
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