2.8 fragrances
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What are essential oils?
concentrated extracts of the volatile, non-water soluble aroma compounds from plants they are mixtures of many different organic compounds
give 4 uses of essential oils
• perfumes • cosmetic products • cleaning products • flavouring in foods
What are terpenes?
key components in most essential oils they are unsaturated compounds formed by joining together of isoprene units
What is the systematic name for isoprene?
2-methylbuta-1,3-diene
What happens when you oxidise a terpene?
produce some of the compounds responsible for the distinctive aromas of spices derived from plants
How can the number of isoprene units in a terpene be identified?
divide the number of carbon atoms in the terpene by 5
What does volatile mean?
how easily a substance will evaporate
Name the molecule in which terpenes are based
isoprene -C5H8
What is the general formula for a terpene?
(C5H8)n
What is a terpenoid?
oxygenated terpene