responsible for: botanical flavours and aromas in cultivars used by aromatherapists
common terpenes: eucalyptol (eucalyptus), limonene (citrus), linalool (lavender),myrcene, pinene (pine trees) and beta-caryophyllene (black pepper) known to aid in relaxation, stress release, focus and sharpness
responsible for: blue, green, or purple colour of the pant adds fragrance and flavour can alter cultivar effect on a person, appears in small amounts in the plant