| the biocassava plus program: biofortification of cassava for sub-saharan africa. | more than 250 million africans rely on the starchy root crop cassava (manihot esculenta) as their staple source of calories. a typical cassava-based diet, however, provides less than 30% of the minimum daily requirement for protein and only 10%-20% of that for iron, zinc, and vitamin a. the biocassava plus (bc+) program has employed modern biotechnologies intended to improve the health of africans through the development and delivery of genetically engineered cassava with increased nutrient (zin ... | 2011 | 21526968 |