e-Library of Evidence for Nutrition Actions (eLENA)

Biofortification of staple crops

Biofortification is the process by which the nutritional quality of staple crops is enhanced. This is done through conventional plant breeding and/or modern technology. More research is needed, but it is hoped that people who consume biofortified crops will have an improved nutritional intake.

Various biofortification projects are underway, including:

  • iron-biofortification of rice, beans and sweet potato
  • zinc-biofortification of wheat, rice, beans, sweet potato and maize
  • provitamin A carotenoid-biofortification of sweet potato, maize and cassava.

WHO documents

GRC-approved guidelines

Status: not currently available


Related systematic reviews
Clinical trials

Last update:

25 March 2014 13:30 CET

Category 3 intervention

Available evidence is limited and there are no recent guidelines yet available that have been approved by the WHO Guidelines Review Committee