Yahia, E.M. , D.E. Breithaupt, and J. Valdez. 2008 . The absorption of alfa-cryptoxanthin from carrot leaves and beta-cryptoxanthin from papaya. Proceedings of FAV Health 2007, Second International Symposium on Human Health effects of Fruits and Vegetables, Oct. 9-13, 2007, Houston, TX, USA, p. 105.

junio 2026