Olive oil, just as the name sounds, is extracted from the fleshy part of the ripened olive fruit. The colour of the olive oil can vary from region to region depending on a number of factors. From clear yellow to golden, olive oil can truly be an enigma to decipher. If olive oil is extracted from an unripe olive, the oil could also look green. But these are merely some of the facts that you get to know about olive oil. It is important to know how to cook well with the oil in order to derive its true benefits. Read on to know more.