Also,
This is because a chemical compound known as myrcene terpenes, which is most often used for fragrances, can be found within cannabis and marijuana as well as many other various plants such as lemon grass, hops, and of course mangoes. This is why these types of plants of such rare and unique types of odors and aromas. Once ingested the chemical compound, or myrcene terpenes, assists the psychoactive substance THC by allowing it to pass through the Blood Brain Barrier (BBB) at much faster speeds with much more efficiency. The time it takes for the THC to have an effect on the brain after inhalation is roughly seven seconds however, by eating a mango up to one hour prior to smoking the time it takes for THC to reach the brain and have an effect could be cut in half. As well as the length of the high and its time duration could be up to twice as long.
Big Buddha
A little better answer