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Literature Abdel-Sattar , M. A. , El-Marzoky , H. A. and Mohamed , A. I. ( 2008 ): Occurrence of soilborne diseases and root knot nematodes in strawberry plants grown on compacted rice straw bales compared with naturally infested soil

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Authors: D. Polgári, B. Kalapos, V. Tisza, L. Kovács, B. Kerti, L. Heszky and E. Kiss

Balogh, A. (2006): A termesztett szamóca gyümölcsfejlődésben és érésben szerepet játszó gének izolálása . (Isolation of genes involved in friut development and ripening in cultivated strawberries.) PhD

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mm) against Pseudomonas aeruginosa [ 11 ]. Strawberry is a rich source of folate, vitamin C, several phytochemicals, and phenolic compounds [ 12 ]. The 100% strawberry extract concentration inhibited both monospecies and multispecies E. faecalis

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and postharvest life of strawberry fruit. Fd Technol. Biotechnol. , 45 , 166–173. González-Aguilar GA High oxygen treatment increases antioxidant capacity and postharvest life of

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): Decision-making tools for Frankliniella occidentalis management in strawberry: consideration of target markets. Entomol. Exp. et App. 122, 59–67. Steinberg S. Decision-making tools for

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Authors: István Dalmadi, Dávid Kántor, Kai Wolz, Katalin Polyák-Fehér, Klára Pásztor-Huszár, József Farkas and András Fekete

High hydrostatic pressure (HHP) processing technology offers the possibility to preserve quality attributes. Objective test methods describing quality in a complex form have an important role in the development of new products and in the quality assurance of different technologies. Therefore, research was performed to compare the effects of HHP treatment and heat pasteurization on visual appearance, volatile composition, taste and texture properties of strawberry purees measured by sensorial and objective methods. Sensory evaluation did not show significant differences between samples. Similar result was obtained from the color measurements. Viscosity of purees changed only slightly as a result of the treatments. Electronic nose and electronic tongue were found to be promising tools for discrimination of strawberry purees treated by different levels of high hydrostatic pressure or thermal treatment. Canonical discriminant analysis showed that control and “600 MPa for 5 minutes” samples were quite similar. Samples treated by 600 MPa for 15 minutes were distinguished from the above mentioned ones. The heat treated samples (80°C for 5 and 15 minutes) were definitely separated from the control samples. Fusion of the data from the electronic nose and tongue showed the same trend and improved the classification of the treated puree samples.

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Abstract  

Mineral contents of strawberry, collected from different farms of Islamabad were analysed by semi-absolute k 0-instrumental neutron activation analysis and atomic absorption spectrophotometry. The samples were irradiated at two research reactors located in Pakistan Institute of Nuclear Science & Technology (PINSTECH), Islamabad. The analytical methodologies were validated by analysing reference materials, IAEA-336 (lichen) and IAEA-V-10 (hay powder). In all the samples, a total of 26 elements were quantified, among them 16 elements (Ca, Cd, Cl, Co, Cr, Cs, Fe, K, Mg, Mn, Na, Pb, Ru, Sc, Sr and Zn) were found in all the samples. The determined elemental concentrations in strawberry were compared with the reported values from other countries. In comparison with the mineral contents of other fruits, strawberry stands best source of Mn and the second most important source of K after banana. Intake of trace metals through this source was calculated and it was found that strawberry provides Mn (1.95–3.68 mg/kg), Cr (19.2–46.3 × 10−3 mg/kg), Fe (3.45–8.72 mg/kg), K (1,520–1,670 mg/kg) and Mg (100–220 mg/kg), which forms 26, 19, 14, 7 and 7% of the recommended dietary allowances for the respective metals. The daily intake of Cd and Pb were compared with the provisional tolerable weekly intake defined by FAO/WHO.

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Authors: Maurizio Battino, Sara Tulipani, Franco Capocasa and Bruno Mezzetti

Fruits possess different antioxidant properties depending on their content in antioxidants. The consumer is aware of the importance of looking for diets containing a large array of compounds that may help the organisms in the daily struggle against chronic diseases. If fruit intake is not sufficient to support the RDA for several micronutrients, an interesting help can be that of foods naturally enriched with antioxidants. The evaluation of Total Antioxidant Capacity of fruits is of pivotal importance in assessing the nutritional attributes of fruits and other horticultural products. By means of specific breeding programs it is possible to select antioxidant enriched fruit varieties. These features are susceptible to be improved through generations in order to release fruits with enhanced nutritional features. The availability of high quality and nutritionally enriched fruit at competitive costs may be a useful tool in the planning of healthy diets.

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Baša Česnik, H. & Gregorčič, A. (2006): Validation of the method for the determination of dithiocarbamates and thiuram disulphide on apple, lettuce, potato, strawberry and tomato matrix. Acta Chim. Slov. , 53 , 100

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The spatial distribution of Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) was analysed in ornamental crops (roses and spray-type carnations) and horticultural crops (pepper and strawberries), inside greenhouses, using sticky traps. In ornamental crops, at low population densities, during the winter, there was not a constant location of the isolated foci of infestation, from one week to the next, or a specific pattern of variation in that location. In spray-type carnations, pepper and strawberries, at higher population densities, in spring and summer, the basic units of distribution were the individuals, and they were aggregated. For roses, at those population levels, a random distribution was observed, with a tendency for aggregation. The number of traps needed to estimate population densities, in each crop, was evaluated for two fixed levels of precision (0.10 and 0.25) and results are indicated and discussed.

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