Cultivars Ripening stages Extraction yield (g/100g) on dry weight basis* Ether Ethanol Water Khulase Biser 10.15 ± 1.21 29.56 ± 0.99 13.84 ± 1.65   Rutab 10.01 ± 0.92 32.28 ± 2.65 31.29 ± 3.56 Tamer 8.25 ± 0.73 78.45 ± 3.98 66.48 ± 4.58 Sheshi Biser 12.17 ± 1.01 29.12 ± 2.11 25.75 ± 2.35 Rutab 10.48 ± 1.32 32.70 ± 2.99 26.93 ± 1.56 Tamer 10.55 ± 0.52 81.61 ± 4.65 80.52 ± 5.23 Rezaz Biser 9.14 ± 0.75 29.49 ± 1.62 12.28 ± 2.31   Rutab 12.23 ± 0.81 28.51 ± 2.51 25.51 ± 2.56   Tamer 8.47 ± 0.28 67.83 ± 3.93 73.25 ± 5.18 *(Mean values ± SD), n = 3

Table 1: The extraction yield of date cultivars ether, ethanol, and water extracts at various ripening stages.