The rise I prices of processed foods were brought about by increased costs of raw materials, the impact of supply constraints as a result of the Kenyan crisis, together with increased transportation costs due to the surge in the world oil prices, among others. BIS Review 120/2008  1  2.
Food prices as a major driver of the recent high inflation rates  In terms of composition, an analysis of the major movers of inflation shows that the contribution of food (comprising of food crop and food-non-food crop) to inflation has been growing steadily since April 2008. The magnitude of the contribution of the above factor, however, equaled that of non-food items on average.