Vitamin A is a group of vital micronutrients widely present in the human diet. Animal-based
products are a rich source of the retinyl ester form of the vitamin, while vegetables and fruits …

Carotenoids are fascinating compounds that can be converted into many others, including
retinoids that also play key roles in many processes. Although carotenoids are largely …

Much evidence has accumulated in the literature over the last fifteen years that indicates
vitamin A has a role in metabolic disease prevention and causation. This literature proposes …

Liver fibrosis is a regenerative process that occurs after injury. It is characterized by the
deposition of connective tissue by specialized fibroblasts and concomitant proliferative …

Retinoic acid (RA) is a vitamin A-derived, non-peptidic, small lipophilic molecule that acts as
ligand for nuclear RA receptors (RARs), converting them from transcriptional repressors to …

Age and Gender are vital determinants for the micronutrient demands of normal indviduals.
Among these micronutrients are vitamins that are required in small amounts for optimum …

Vitamin A (all-trans-retinol) is a fat-soluble micronutrient which together with its natural
derivatives and synthetic analogues constitutes the group of retinoids. They are involved in a …

Vitamin A is a crucial micronutrient for pregnant women and their fetuses. In addition to
being essential for morphological and functional development and for ocular integrity …

La Nutrición Normal es la disciplina que afirma la vocación del nutricionista. En este libro se
repasan una a una las unidades que conforman el estudio del complejo y maravilloso …

Carotenoid dietary intake and their endogenous levels have been associated with a
decreased risk of several chronic diseases. There are indications that carotenoid …