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Food Science and Technology (Campinas)
Print version ISSN 0101-2061
MASCARENHAS, Robson de Jesus et al. Characterization of maturity and quality of Brazilian apirenic grapes in the São Francisco river Valley. Ciênc. Tecnol. Aliment. [online]. 2012, vol.32, n.1, pp.26-33. Epub Feb 06, 2012. ISSN 0101-2061. http://dx.doi.org/10.1590/S0101-20612012005000010.
The objective of this study was to characterize and correlate maturity and quality of the first varieties of Brazilian seedless grapes 'BRS Clara', 'BRS Linda', 'BRS Morena', and 'Advanced Selection 8' compared with the American variety 'Crimson Seedless' in compliance with the Brazilian Normative/2002 and export standards Advanced Selection 8' is dark reddish, has large clusters, and is a very large ellipsoid berry; 'BRS Morena' is black with medium sized clusters and large berry shaped as ellipsoid to globoid; 'BRS Linda' is light green and has large sized clusters; 'Crimson' is pink and has small clusters with berries varying from medium to large sizes and ellipsoid shaped; and 'BRS Clara' is green yellowish has medium sized clusters and small berry of elongated ellipsoid shape. All varieties evaluated meet the standard for domestic market established as berry size minimum diameter 12 mm. 'BRS Clara' does not meet the export requirements of diameter. Berries of the red grapes 'BRS Morena' and 'Crimson Seedless' are firmer. The pH, titratable acidity, and soluble solids meet the official standards. Larger clusters are less acidic and present higher soluble solids/titratable acidity ratios implying that they are the sweetest type when ripe.
Keywords : seedless grapes; physical attributes; physicochemical attributes; quality standards; Vitis vinifera L.