Andalusian Institute of Agricultural and Fisheries Research and Training IFAPA

Acalá del Río, Spain

Andalusian Institute of Agricultural and Fisheries Research and Training IFAPA

Acalá del Río, Spain

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Perez-Romero L.F.,Andalusian Institute of Agricultural and Fisheries Research and Training IFAPA | Arroyo F.T.,Andalusian Institute of Agricultural and Fisheries Research and Training IFAPA | Santamaria C.,Andalusian Institute of Agricultural and Fisheries Research and Training IFAPA | Camacho M.,Andalusian Institute of Agricultural and Fisheries Research and Training IFAPA | Daza A.,Andalusian Institute of Agricultural and Fisheries Research and Training IFAPA
Acta Alimentaria | Year: 2014

The fruit quality parameters of Prunus armeniaca L. cv 'Ninfa' grafted on 'Myrobalan 29C' (Prunus cerasifera Ehrh.) and 'Real Fino' apricot seedling (Prunus armeniaca L.) were analysed in an experimental orchard under organic management. The study was performed between 2010 and 2012 in the province of Seville (SW Spain). Colour, fruit and stone weights, firmness, soluble solid concentration, and acidity were measured for fruit quality evaluation. Trunk cross-sectional area, main branches, and fruit yield were also determined. In general, 'Myrobalan 29C' rootstock produced fruit slightly larger in size and with a bigger weight. By contrast, apricots on 'Myrobalan 29C' had less firmness and a lower solid soluble concentration than on 'Real Fino'. There was little difference in the colour, acidity, and stone dry weights. Trees on 'Real Fino' had larger areas of trunk and branches but no significant differences were obtained in relation to fruit yields.


PubMed | Andalusian Institute of Agricultural and Fisheries Research and Training IFAPA
Type: | Journal: Food chemistry | Year: 2016

A targeted approach using HS-SPME-GC-MS was performed to compare flavour compounds of Navelina and Salustiana orange cultivars from organic and conventional management systems. Both varieties of conventional oranges showed higher content of ester compounds. On the other hand, higher content of some compounds related with the geranyl-diphosphate pathway (neryl and geranyl acetates) and some terpenoids were found in the organic samples. Furthermore, the partial least square discriminant analysis (PLS-DA) achieved an effective classification for oranges based on the farming system using their volatile profiles (90 and 100% correct classification). To our knowledge, it is the first time that a comparative study dealing with farming systems and orange aroma profile has been performed. These new insights, taking into account local databases, cultivars and advanced analytical tools, highlight the potential of volatile composition for organic orange discrimination.

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