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Filename: drivers/Session_files_driver.php
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Function: __construct
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Les micronutriments essentiels dans les légumes à feuilles indigènes pourraient contribuer de manière substantielle à l’approvisionnement en micronutriments dans les communautés rurales de Tanzanie, mais les concentrations diffèrent d’une espèce à l’autre. Les caroténoïdes, les tocophérols, l'acide ascorbique, les minéraux et le phytate de provitamine A ont été analysés chez 13 espèces différentes par HPLC-, ICP-OES et techniques photométriques. Huit des 13 ILV, y compris Amaranthus ssp. et Sesamum angustifolium présentaient des concentrations élevées de bêta-carotène (2,91 (-) 4,84 mg / 100 g de poids frais), qui pourraient fournir ≥ 50% de l'apport nutritionnel recommandé de la vitamine A. Six ILV, y compris Cleome hirta et Sonchus luxurians, avaient une teneur élevée en fer (34,5 (-) 60,4 mg / 100 g,> 50% de RNI); Amaranthus ssp. représentaient les ILV avec des teneurs élevées en calcium, magnésium et zinc (85%, 207% et 21% de RNI pour 100 g); Cleome hirta et Cleome gynandra présentaient une teneur élevée en acide ascorbique (> 15 mg / 100 g, 34 (-) 35% de l'ANR), tandis que Sesamum angustifolium était le seul ILV présentant une teneur élevée en tocophérol (7,34 mg alpha-TE / 100 g) . La plus forte concentration de phytate a été trouvée chez Amaranthus ssp., Ce qui pourrait nuire à son rôle de très bonne source de minéraux. Les résultats indiquent que les ILV analysés pourraient apporter une contribution substantielle à l'apport en vitamine A et en fer dans l'alimentation des populations rurales tanzaniennes.
Source: https://www.ncbi.nlm.nih.gov/pubmed/30669425