Publications
NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.
2013
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Paal KrokeneAbstract
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Ingerd Skow HofgaardAbstract
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Ingerd Skow Hofgaard Till Seehusen Heidi Udnes Aamot Unni Abrahamsen Jafar Razzaghian Vinh Hong Le Hugh Riley Einar Strand Børge Holen Elisa Gauslaa Tove Kristina Sundgren Mauritz Åssveen Berit Nordskog Hege Særvold Steen Guro BrodalAbstract
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Randi Seljåsen Kjell gjermund Vogt Elisabeth Olsen Per Lea Lars Arne Høgetveit Torgeir Taje Richard Meadow Gunnar BengtssonAbstract
The effect of different degrees of attack by carrot psyllid (Trioza apicalis) on quality parameters of carrots was studied in field experiments for two years. Treatments were different degrees of physical insect protection by floating row cover. An increasing attack level of psyllids showed an enhancement effect on the antioxidant capacity (ORAC), content of falcarindiol, 6-methoxymellein, and terpenes, and scores for bitter taste, chemical flavor, terpene flavor, and toughness. Carrot psyllid attack decreased the yield, total sugar, fructose, glucose, and sensory attributes sweet taste, color hue, color strength, crispiness, and juiciness. Carrot plants at 8−10 weeks of age tolerated attack by psyllids at low levels (2% leaves with curling or discoloration).
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Rajko Vidrih Branka Mozetic Vodopivec Janez Hribar Anja Mahne Opatic Eivind VangdalAbstract
Plums varieties Jubileum, Excalibur and Reeves were harvested at commercial harvest date. After harvest fruits were dipped in hot water (56 °C) for 2 minutes then they were cooled down in cool water. Fruits were stored for 4 weeks in normal atmosphere (NA) and modified atmosphere (MAP) in xtend packaging film. In equilibrium state,modified atmosphere consisted of 10 % of O2 and 10 % of CO2. Excalibur contained the highest amount of total phenols, followed by Jubileum and Revees, while Jubileum had the highest antioxidative potential (AOP) followed by Excalibur and Revees. Significantly more total phenols was found at second week of storage followed by forth week and after harvest. On the other hand, Revees contained significantly more flavonoids, followed by Excalibur and Jubileum. The highest antioxidative potential was found immediately after harvest followed by that of 4 weeks storage and finally that of 2 weeks storage time. Significantly more flavonoids were found at the beginning of storage and least at the end of storage. Plums stored in modified atmosphere had the highest AOP, followed by NA, MAP hot water (HW) treated and NA hot water treated fruits. With regard to storage conditions, more flavonoids were found in NA stored plums, followed by MAP HW, MAP and NAHW. Revees had the highest polar AOP followed by Jubileum and Excalibur, but no statistically significant differences were found. Also the highest polar AOP was found in forth week of storage again no statistically significant differences were found. Storage atmosphere gave no statistically significant differences in polar AOP. Results showed that storage conditions influence the AOP, total phenols and flavonoids. Flavonoids are more abundant after harvest, total phenols in the middle of storage period. Hot water treatment is becoming popular because might be used for organically grown fruits and vegetables. In our experiment hot water treatment showed e tendency to decrease AOP, flavonoids and polar AOP but significantly decreases total phenols.