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Questions and Answers
What does Fraction A contain in the isolation of cardioactive glycosides?
What does Fraction A contain in the isolation of cardioactive glycosides?
- Only the sugar moiety
- Only the genin part
- The non-glycoside components
- The whole glycoside (correct)
Fraction B contains both the glycoside and the genin part.
Fraction B contains both the glycoside and the genin part.
False (B)
What are cardioactive glycosides primarily used for?
What are cardioactive glycosides primarily used for?
They are used to treat heart conditions.
In the isolation of cardioactive glycosides, Fraction A consists of the ______ glycoside.
In the isolation of cardioactive glycosides, Fraction A consists of the ______ glycoside.
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Match the following fractions to their contents:
Match the following fractions to their contents:
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Study Notes
Cardioactive Glycosides
- Cardioactive glycosides are a group of compounds found in plants with effects on the heart
- These glycosides are composed of two parts: a sugar (glycone) and a non-sugar (aglycone or genin)
- The aglycone is responsible for the pharmacological activity while the sugar influences the pharmacokinetic properties
- The pharmacological activity is mainly focused on their ability to:
- Increase the force of heart contraction
- Slow down the heart rate - Negative Inotropic effect
Experiment No. 1:
- This experiment focuses on extracting and identifying cardioactive glycosides from plant samples
- The aim is to separate the two parts of the glycoside (sugar and non-sugar) and then identify each
- Two fractions are collected: "Fraction A" contains the complete glycoside and "Fraction B" contains only the genin部分
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