Converte il beta-carotene in vitamina A
Scinde il beta-carotene per formare il retinale (vitamina A)
Influenza la conversione del beta-carotene in vitamina A
| Genotipo | Impatto | Cosa significa |
|---|---|---|
| GG (Normale) | Normale | Efficient beta-carotene conversion |
| GT (Portatore) | Impatto basso | A379V heterozygote, beta-carotene to retinol conversion reduced by about 50%. Include preformed vitamin A sources : eggs (yolk), liver, dairy, fatty fish. Plant carotenoids remain useful but insufficient on their own. |
| TT (Variante) | Moderato | Significantly reduced beta-carotene to retinol conversion (~50%). Plant carotenoids alone are insufficient, include preformed vitamin A sources: egg yolks, liver, fatty fish, full-fat dairy. |
Reduces beta-carotene to vitamin A conversion efficiency.
| Genotipo | Impatto | Cosa significa |
|---|---|---|
| CC (Normale) | Normale | Efficient beta-carotene to vitamin A conversion. |
| CT (Portatore) | Impatto basso | Moderate beta-carotene conversion. Include both plant and animal vitamin A sources. |
| TT (Variante) | Moderato | Poor beta-carotene conversion. Preformed vitamin A sources (eggs, liver, dairy) recommended. |
| Genotipo | Impatto | Cosa significa |
|---|---|---|
| AA (Normale) | Normale | Efficient beta-carotene to vitamin A conversion. |
| AT (Portatore) | Impatto basso | Moderate beta-carotene conversion. Include both plant and animal vitamin A sources. |
| TT (Variante) | Moderato | Poor beta-carotene conversion. Preformed vitamin A sources (eggs, liver, dairy) recommended. |
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