[1] Univ Ibadan, Coll Med, Dept Nutr & Dietet, Ibadan, Nigeria
[2] Food Plants Int, Burnie Tasmania, Tas 7320, Australia
[3] Univ Ibadan, Postgrad Coll, Ibadan 200284, Nigeria
[4] Seoul Natl Univ, Coll Human Ecol, Nutr Epidemiol Lab, Seoul 08826, South Korea