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Questions and Answers
What are fixed oils, fats, and waxes classified as?
What are fixed oils, fats, and waxes classified as?
- Structural components
- Reserved food materials (correct)
- Waste products
- None of the above
Reserved food materials are only found in plants.
Reserved food materials are only found in plants.
False (B)
Name one type of reserved food material found in plants.
Name one type of reserved food material found in plants.
fixed oils
Fixed oils, fats, and waxes are examples of __________ food materials.
Fixed oils, fats, and waxes are examples of __________ food materials.
Match the following types of materials with their category:
Match the following types of materials with their category:
What is one of the uses of precipitating agents in chemistry?
What is one of the uses of precipitating agents in chemistry?
Precipitating agents can be used to detect the presence of proteins.
Precipitating agents can be used to detect the presence of proteins.
What do precipitating agents form with many alkaloids?
What do precipitating agents form with many alkaloids?
Precipitating agents are commonly used in the detection of __________ and gelatin.
Precipitating agents are commonly used in the detection of __________ and gelatin.
Match the following uses with the appropriate substances:
Match the following uses with the appropriate substances:
What are glycosides composed of?
What are glycosides composed of?
Glycosides are reducing substances.
Glycosides are reducing substances.
What is the structural component of glycosides that is not a sugar called?
What is the structural component of glycosides that is not a sugar called?
Glycosides are contraindicated in _____?
Glycosides are contraindicated in _____?
Match the terms related to glycosides:
Match the terms related to glycosides:
Which of the following compounds are related to steroidal saponins?
Which of the following compounds are related to steroidal saponins?
Steroidal saponins are unrelated to cortisone.
Steroidal saponins are unrelated to cortisone.
Name one vitamin related to steroidal saponins.
Name one vitamin related to steroidal saponins.
Steroidal saponins are of great pharmaceutical importance because of their relationship to compounds such as the sex hormones, __________, and vitamin D.
Steroidal saponins are of great pharmaceutical importance because of their relationship to compounds such as the sex hormones, __________, and vitamin D.
Match the following compounds with their significance related to steroidal saponins:
Match the following compounds with their significance related to steroidal saponins:
Which of the following compounds has an unsaturated 6-membered lactone ring attached to C17?
Which of the following compounds has an unsaturated 6-membered lactone ring attached to C17?
Bufadienolide is a type of compound that has a saturated 6-membered lactone ring.
Bufadienolide is a type of compound that has a saturated 6-membered lactone ring.
What type of lactone ring is associated with Bufadienolide?
What type of lactone ring is associated with Bufadienolide?
Digitalis and Strophanthus are classified as _______ compounds.
Digitalis and Strophanthus are classified as _______ compounds.
Match the following compounds with their characteristics:
Match the following compounds with their characteristics:
Study Notes
Reserved Food Materials: Fixed Oils, Fats, and Waxes
- These are stored food materials found in plants and animals.
- They are used as antidotes in poisoning cases involving alkaloids or heavy metals.
- They can form precipitates with numerous alkaloids.
- They act as reagents for detecting proteins, gelatin, and alkaloids through precipitation.
- These materials are contraindicated in glaucoma.
Glycosides
- Non-reducing substances composed of a sugar part linked to a non-sugar structure called the aglycone or genin.
- Steroidal saponins are significant due to their connection to compounds like sex hormones, cortisone, and vitamin D.
- Examples: Digitalis and Strophanthus.
- Bufadienolide glycosides have an unsaturated 6-membered lactone ring attached to carbon 17.
- Example: Squill.
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Description
Test your knowledge on the biochemistry of reserved food materials, including fixed oils, fats, waxes, and glycosides. This quiz covers their roles, uses in antidotes, and examples of significant glycosides. Challenge yourself with questions that explore their chemical properties and biological significance.
