Differences in fruit colour development,anthocyanin content,fruit quality and consumer acceptability of eight ‘Gala’ apple strains |
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Authors: | I. Iglesias,G. Echeverrí a,Y. Soria |
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Affiliation: | 1. Institut de Recerca i Tecnologies Agroalimentàries (IRTA), Estació Experimental de Lleida, Avda. Rovira Roure, 191, E-25198 Lleida, Spain;2. Centre UdL-IRTA, Area de Postcollita, Avda. Rovira Roure, 191, E-25198 Lleida, Spain |
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Abstract: | The effect of strain on fruit colour development, chromaticity values and anthocyanin content, fruit quality and consumer acceptance was evaluated on eight ‘Gala’ apple strains (Malus domestica Borkh.) at the IRTA (Spain), during a period from 4 weeks before to 1 week after commercial harvest. Based on fruit colour, measured with a Minolta CR-200 portable tristimulus colorimeter, and anthocyanin content, the most coloured strains were ‘Royal Beaut’, ‘Buckeye Gala’ (both semistriped) and ‘Ruby Gala’ (blushed). ‘Brookfield’ and ‘Schniga’ (both striped) provided an intermediate level of colour, while ‘Galaxy’ and ‘Mondial Gala’ (both striped) were the least coloured ones. The most important increase in colour development was recorded from 2 weeks before the commercial harvest and continued also increasing after harvest. Highly coloured strains developed a red colour on both fruit sides with greater average of fruit surface coloured, while the less coloured strains exhibited different colouration between sides, more bicolour fruits and lower average of fruit coloured. |
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Keywords: | Apple &lsquo Gala&rsquo strains Colour Anthocyanin Fruit quality Consumer acceptability |
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