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Rose oil: Quiz


Question 1: Rosa centifolia, the cabbage rose, which is more commonly grown in Morocco, France and ________

Question 2: In the solvent extraction method, the flowers are agitated in a vat with a solvent such as hexane, which draws out the ________ compounds as well as other soluble substances such as wax and pigments.
Covalent bondChemical bondAromaticityConjugated system

Question 3: Due to the low temperatures in this process, the absolute may be more faithful to the ________ of the fresh rose than the otto.
PerfumeOdorChemical bondOlfaction

Question 4: This inexpensive by-product is used widely as a food flavoring as well as in ________.
Integumentary systemImmune systemEndocrine systemHuman skin

Question 5: Rose ottos are extracted through steam distillation, while rose absolutes are obtained through solvent extraction or supercritical carbon dioxide extraction, with the absolute being used more commonly in ________.
PerfumeIncenseFragrance extractionEssential oil

Question 6: The key ________ compounds that contribute to the distinctive scent of rose oil, however, are beta-damascenone, beta-damascone, beta-ionone, and rose oxide.
Food chemistryE numberFlavorTaste

Question 7: ________, which results in an oil called rose absolute.
Acid-base extractionAzeotropeLiquid-liquid extractionDistillation

Question 8: Two major ________ of rose are cultivated for the production of rose oil:
LifeEvolutionBiological classificationSpecies

Question 9: Rose oil, meaning either rose otto (attar of rose, attar of roses) or rose absolute, is the ________ extracted from the petals of various types of rose.
AromatherapyPeppermintPerfumeEssential oil

Question 10: The concrete is then mixed with ________ which dissolves the aromatic constituents, leaving behind the wax and other substances.


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