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).
The great southward Bantu migration in Africa took place in sub-Saharan Africa (south of the Sahara Desert), over some 2,000 years.With the development of the iron blade, reaping became easier for the bantu people and agriculture took on a whole new meaning.fter they had settled in the eastern parts of South Africa, they eventually spread out across the highveld some 1 000 years ago, because of their need for more land on which to practise their growing cattle culture. The first African settlements in South Africa were mainly in the Transvaal and Natal areas.