topic g

Question 1

what are the 3 chemotypes of rosemary

Answer 1

verbenone, 1,8-cineole, camphor-borneol

Question 2

camphor best suited for?

Answer 2

musculoskeletal system

Question 3

1,8-cineole best suited for?

Answer 3

pulmonary congestion, efficient functioning of liver and kidneys

Question 4

verbenone best suited for?

Answer 4

safe, nonirritant essential oil for skin and hair treatment

Question 5

2 chemotypes of thyme and what differentiates them

Answer 5

sweet thyme (high altitude, gentler), red thyme (low altitude, phenolics act as powerful antiseptics that may cause skin irritation)

Question 6

adulteration methods?

Answer 6

removal, substitution, cutting

Question 7

how is removal done?

Answer 7

essential oil is redistilled to remove terpenes and make oil more alcohol-soluble and longer-lasting

Question 8

how is substitution done?

Answer 8

when an oil is substituted for a cheaper oil (eg petitgrain for neroli, lemongrass for lemon verbena, lavandin [can be propagated from cuttings, grows readily, yields 2x oil] for lavender)

Question 9

how is cutting done?

Answer 9

odourless solutions used to dilute an essential oil (DEP for sandalwood, DPG or PEA for rose otto since it is alr a natural component)