Bioavailability of carotenoids.

  title={Bioavailability of carotenoids.},
  author={James A. Olson},
  journal={Archivos latinoamericanos de nutricion},
  volume={49 3 Suppl 1},
  • James A. Olson
  • Published 1999 in Archivos latinoamericanos de nutricion
Our current knowledge about the bioavailability of provitamin A carotenoids in foods is insufficient, fragmentary and difficult to interpret. Past methods of estimating the vitamin A value of food carotenoids suffer both from uncertainty about the meaning of bioavailability and from the inadequacy of the indicators used in its determination. Reported conversion ratios of beta-carotene to vitamin A in humans in vivo, depending on conditions, range from 2:1 to 26:1 (microgram/microgram). Thus… CONTINUE READING

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