Enzymes exist in all raw food. All raw foods, including meats, have some enzyme activity. For example, green bananas have amylase, an enzyme that breaks down starch to glucose. In a number of days, the amylase converts the raw starch of the banana to sugar, which is why darkened bananas are so much sweeter tasting.
The Bantu expansion. The Bantu are thought to have originated from the the area of Nigeria/Cameroon, and started their expansion East and South about 5,000 years ago (3,000 BC). They reached the equatorial rain forest 3500 years ago, entering what is now Uganda, 3000 years ago.he Bantu are thought to have originated from the the area of Nigeria/Cameroon, and started their expansion East and South about 5,000 years ago (3,000 BC).
It is important to note that the Bantu-speaking peoples are not an homogenous group. They comprise more than a 100 million Negroid people who live in southern and central Africa, ranging from Nigeria and Uganda to South Africa, and who speak about 700 languages, including many dialects.