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Scallop squash fruits may be harvested at different stages of development. Small size fruits, intended both for the fresh market and the food industry, have the highest biological value. This study was conducted to determine the yield potential of scallop squash cultivars (‘Polo F1’, ‘Disco’, ‘Gagat’, ‘Okra’, ‘Sunny Delight F1’) grown on mulched (black polyethylene foil or black agrotextile) or unmulched soil, and harvested when fruits reached a diameter of 3–6 cm. Based on 3-year average data, the highest marketable and early yield was produced by ‘Sunny Delight F1’. This cultivar is also appreciated by consumers for its yellow colored skin of fruits. Another advantage of this cultivar was its high nutritional value expressed by the highest content of dry matter, vitamin C, polyphenols and minerals (K, P, Ca, Mg), with limited tendency to nitrate accumulation. Among the other cultivars tested, ‘Okra’ showed high yield potential, ‘Gagat’ was a rich source of carotenoids, and ‘Disco’ – polyphenols. Black polyethylene foil and black agrotextile appeared to be equally effective mulching materials. The benefit from the application of mulch was a significant increase in yield without any change in the chemical composition of the fruit.
The aim of this study was to obtain starter cultures for fermenting sweet pepper, pattypan squash and tomatoes, composed of the autochthonous lactic acid bacteria (LAB), selected from spontaneously fermented vegetables of each particular species. Antibacterial activity of the LAB strains against eight test strains of pathogenic and undesirable in food bacteria, as well as good organoleptic quality of obtained fermented product were adopted as selection criteria. Thirteen isolated LAB strains were identified as Lactobacillus plantarum, Lactobacillus brevis and Pediococcus pentosaceus. All strains revealed the inhibiting capability, limiting the growth of at least two test strains. Ten selected LAB strains were used as starter cultures. Sensory quality the obtained products was at least equal to the product obtained as a result of spontaneous fermentation. Using the autochthonous LAB strains of high antibacterial activity seems to be the rational way of producing microbiologically-safe products, preserving the original, unique flavour of traditional, spontaneously fermented vegetables.
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The experiment was carried out at the Department of Processing and Storage of Plant Raw Materials of the Agricultural University of Szczecin in 2001–2002. The aim of this study was to estimate the quality and nutritive value of three patisson cultivar fruits. Salad-fruits (medium-size fruits) of all tested cultivars formed fruits of significantly greater weight, vertical and horizontal diameter in comparison with dessert-fruits (small fruits). Chemical composition of patisson fruits was significantly dependant on the cultivar and size of picked fruits. Among the tested cultivars the highest amount of dry matter, total sugars and vitamin C was obtained from the ‘Disco’ cultivar while the total nitrogen and protein was from ‘Gagat’. The highest amount of ash was found in fruits of cv. ‘Polo F₁’. Dessert-fruits contained higher amount of dry matter, total sugars, vitamin C, total nitrogen, total protein and ash in comparison with salad-fruits.
W artykule przedstawiono badania dotyczące warunków hodowli patisona, trzech odmian uprawianych w Polsce oraz uzyskanych owoców: Omówiono plonowanie i charakterystykę fitometryczną i fizykochemiczną owoców uwzględniając takie parametry, jak: masa, wielkość i kształt owoców, a także zawartość: suchej masy, ekstraktu, cukrów, wit. C, azotu ogólnego i białka. Podano też potrawy, jakie można sporządzać z owoców patisona.
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