2024 No https://doi.org/10.1007/s12550-024-00570-1 Mannara, Charles Africa Experimental Exposure Study Students Elementary (K-5) Fungi Other Researchers analyzed githeri meals from 128 Kenyan primary schools for aflatoxin and fumonisin. Forty percent were contaminated, with aflatoxin near national limits. Nixtamalization using Ca(OH)₂ reduced toxins by 70–75%, demonstrating significant reduction potential.