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Variation limits of some biochemical indicators for fruits quality of different top fruit and berry species

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Author(s): Nicola Claudia | Nicolae Silvia | Mladin Paulina | Budan S | Ancu Irina, | Nuţă Alina | Miu Ioana

Journal: Scientific Papers of the Research Institute for Fruit Growing Pitesti, Romania
ISSN 1584-2231

Volume: XXVI;
Start page: 39;
Date: 2010;
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Keywords: Fruits | organic acids | sugar content | soluble dry matter content | sugar/acid ratio | chemical methods | acyl | aglycon | glycosides | HPLC

ABSTRACT
The fito-pharmaceutical value of some biochemical compounds of the fruits is well known. This paper presents results regarding the biochemical fruits composition and its variability in some cultivars belonging to five fruit species and its variability. The main quality indicators analyzed were: total organic acids (%), total sugar content (%), soluble dry matter content (%) and sugar / acidity ratio. The study was conducted during three experimental years. Taking into account the results index values, it was remarket that soluble dry matter content range from 12% to 16%, sugar 9% to 13%, total organic acids 0.6% to 1.5%, sugar/acidity ratio 10 to 15. The fruits present a genetic conditioned variability which confers to them desirable quality attributes in concordance with the limits of the general requirements for industrial processing and/or for the fresh marketing. On the other hand, technological interventions as regards the fruit culture technology in the general category of food products for consumption. Phytonutrients and antiradical greenhouse substances were detected by qualitative and quantitative chemical methods.
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