Resumen de Bioavailability of freeze-dried and spray-dried grapefruit juicevitamin C
María del Mar Camacho Vidal, M. Igual, J.J. Martínez Lahuerta, Nuria Martínez Navarrete
An alternative as to offer higher stable and easy handling than fresh fruit isin powdered form, as long as the process used to obtain it ensures a highquality product. The objective of this study was to compare thebioavailability of the vitamin C of a juice prepared from powdered grapefruitobtained by freeze-drying and by spray-drying. A trial was conducted with 11healthy volunteers. A relative increase of 1,4 – 25,8 % of blood serumvitamin C concentration was quantified after juices intake, with nosignificant differences (p>0.05) due to the process used to obtain the powder.
