Question: Which of the following is not found in Cassia bark?
This question tests knowledge of the chemical composition of Cassia bark, which is commonly used in traditional medicine and cooking. Cassia bark, also known as Chinese cinnamon, has a specific profile of natural compounds.
Options:
- Cinnamyl acetate
- Caryophyllene
- Coumarin
- (+) Linalool
Analysis:
Cassia bark contains several naturally occurring compounds:
- Cinnamyl acetate: This compound is present in Cassia and contributes to its characteristic aroma.
- Caryophyllene: This is a natural bicyclic sesquiterpene found in Cassia bark among other spices.
- Coumarin: This is a fragrant organic chemical compound found in high concentrations in Cassia bark.
Option Analysis:
- (+) Linalool: This is a naturally occurring terpene alcohol found in many flowers and spice plants. However, it is not typically present in Cassia bark, differentiating it from the other options.
Conclusion: Based on the known chemical composition of Cassia bark, (+) Linalool is not a constituent of Cassia bark. Therefore, the correct answer is:
- (+) Linalool
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