Institute of Food Technology

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Browsing Institute of Food Technology by Author "Ahmetxhekaj, Shahin"

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    Impact of Fats on Rusk Quality Deterioration
    (University of Bucharest, 2017-01) Ahmetxhekaj, Shahin; Filipović, Vladimir; Filipović, Jelena
    This paper investigates the impact of pan release grease and its interactions with fats incorporated in the dough on rusk quality. To obtain systems sensitive to lipid changes in rusk, experiments were designed varying compound fat (constituent of dough) characteristics (hydrogenated sunflower oil or lard) and pan release presence. Changes in rusk lipid component were traced through sensory, texture, color and microbiological characteristics, peroxides and acidity over 360 days of storing period. Fat type in rusk dough significantly affects its texture, color and sensor characteristics. The influence of multiple pan greasing is noticeable in samples stored during longer periods (180 and 360 days). After these periods of storage rusk samples with both types of fat used, without multiple pan greasing, had shown less deterioration of taste descriptors, peroxides and acidity contrary to rusk samples with multiple subsequent greasing. Technological operation of greasing has influenced the increase of the peroxides, statistically insignificantly after 0 and 60 days of storage, while statistically significantly after 180 and 360 days, thus emphasizing the negative contribution of pan release grease impact.
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    Spelt pasta with increased content of functional components
    (Association of the Chemical Engineers of Serbia, 2017-07) Filipović, Jelena; Ahmetxhekaj, Shahin; Filipović, Vladimir; Košutić, Milenko
    This paper investigates the effects of addition of flax seed, sesame seed, or eggs (10 g/100 g of sample and 20 g/100 g of sample) in spelt flour to obtain new pasta products with improved ω-3/ω-6 ratio and minerals profile. Gas chromatography with mass spectrometry was used for carrying out a quantitative analysis of the liposoluble pasta extract. Post-hoc Tukey’s HSD test at 95% confidence limit showed significant differences between observed samples. Daily average consumption of 75 g of spelt pasta containing 20 g flax seed/100 g of sample contributes to essential fatty acids intake of 3.8 g and improved ω-6/ω-3 ratio (1:2.4). The obtaind results indicate that the investigated spelt pasta samples are new products with improved nutritional properties due to higher level of ω-3 fatty acids and minerals content (Ca, Zn, Cu and Fe). Pasta (PS 7) with 20 g/100 g of eggs has the best sensory quality (maximum scores for odor, texture, flavor and overall acceptability were 8.8, 8.9, 8.9 and 8.9, respectively).