How to tell if your olive oil is the real thing
Adulterated and even fake olive oil is widespread, according to studies. Just how big is the problem, and how can you avoid being caught out?
http://www.guardian.co.uk/lifeandstyle/2012/jan/04/olive-oil-real-thing?INTCMP=SRCH
Extra Virginity: The Sublime and Scandalous World of Olive Oil [Hardcover]




