3.3.2.2. Texture. Fig. 3 shows the firmness of date syrups. Firmness
values varied from 130 g to 230 g. This relatively low firmness was
probably due to the presence of low bond for the maintaining
texture. This low firmness will allow an easy tartinability of date
syrup. That could be directly consumed or used as an ingredient in
food formulations.
Deglet Nour and kentichi varieties showed a maximum firmness
value (w230e180 g) while Allig exhibited the lowest whatever the
extraction method (w130e160 g). This could be explained by the
richness of Deglet Nour and kentichi in sucrose.
The enzyme-treated date syrup showed the lowest firmness
whatever the varieties (w130e190 g), although it was richer in
pectin (galacturonic acid). This could be explained by the hydrolysis
of the pectin by pectinase into galacturonic acid units.