Variability of micronutrient content in enriched dairy and fruit products

acide ascorbique acido ascorbico alimentos ascorbic acid complexe vitaminique b food technology foods milk products minerales minerals nutrientes nutrients nutritive value produit alimentaire produit laitier seasonal variation substance nutritive technologie alimentaire valeur nutritive valor nutritivo vitamin d vitamin e vitamina d vitamina e vitaminas vitaminas b vitamine vitamine d vitamine e vitamins vitamins b