Intestine is a long line in your body that helps digest food before it leaves the stomach.Given the fact that it is a passageway of foods, obviously,it do have foul odor.
In rural areas, they found a way to lessen and deminish foul odor of the intestine so that they will be able to eat the intestine without minding the smell.
This guyabano leaf is mixed with the intestine to eliminate the bad odor it contains. This is a sabana leaf.