The acute and chronic effects of vitamin A toxicity are well documented in the literature.
Emerging evidence suggests that subtoxicity without clinical signs of toxicity may be a …

Proper nutrition is the single most important component of preventative health care. Heart
disease, diabetes, and other ailments are all linked to dietary habits. Accurate nutritional …

Background: Biofortification is a strategy to relieve vitamin A (VA) deficiency. Biofortified
maize contains enhanced provitamin A concentrations and has been bioefficacious in …

An inverse association has been observed between dietary intake of lycopene and the risk
of prostate cancer. We investigated the effects of lycopene supplementation in patients with …

An evaluation of the Health Professionals Follow-Up Study has detected a lower prostate
cancer risk associated with the greater consumption of tomatoes and related food products …

Human metabolism of carotenoids is of interest not only because of the provitamin A function
of certain carotenoids, but also because these compounds have been associated with …

The occurrence of carotenoid pigments in human blood and tissues has recently become an
area of renewed interest due to the observed inverse relationship between consumption of …

Isozymes of alcohol and other dehydrogenases convert ethanol and retinol to their
corresponding aldehydes in vitro. In addition, new pathways of retinol metabolism have …

Concentrations of preformed vitamin A and five individual carotenoids (α-carotene, β-
carotene, cryptoxanthin, lutein and lycopene) were determined in liver, kidney and lung …

HSCs (hepatic stellate cells)(also called vitamin A‐storing cells, lipocytes, interstitial cells, fat‐
storing cells or Ito cells) exist in the space between parenchymal cells and liver sinusoidal …