Performance of white seeded grape varieties for raisin recovery and raisins quality under semi arid condition

Abstract

Raisins are widely consumed and globally traded dried fruit. Evaluating white-seeded grape varieties for raisin quality is essential to determine their suitability for commercial raisin production. Among the different varieties evaluated, Angoor Kalan recorded maximum bunch weight (398.3g), 50 berry weight (830.9g), TSS (23.1p brix) and raisin recovery (24.8%). The accession Aledo recorded maximum berry diameter and length (23.0 and 24.0 mm). The performance with respect to biochemical composition pointed out that the variety Angoor Kalan recorded highest range of phenol (4.3 mg/g), tannin (4.6 mg/g), reducing sugar (182.6 mg/g) and carbohydrates(365.3 mg/g). However, the maximum protein and proline was recorded in Aledo (52.1 and 15.8 mg/g). It was concluded that, Angoor Kalan performed better for good quality of raisins followed by Palomina and Aledo.