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  • 1
    Electronic Resource
    Electronic Resource
    POSTHARVEST CHANGES DURING STORAGE OF PACKAGED RADICCHIO (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food quality 15 (1992), S. 0 
    Details
    ISSN: 1745-4557
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Radicchio (Cichorium intybus L., var. foliosum) heads were held at two temperatures in plastic dome lid boxes, 10 μm polyethylene produce bags, or 12. 7 μm EHC Clysar plastic shrink-wrap bags to determine postharvest quality changes. Respiration rate of 〈 10mL CO2 kg-1 h-1 at 1C indicates that radicchio is a moderately respiring commodity. Radicchio held in plastic dome lid boxes lost 〉 7% fresh weight while those in polyethylene or EHC bags lost 〈 1% fresh weight during 1 week of storage at either 10C or 1C. Color changes in radicchio occurred primarily in the red portion of the leaf area. Heads faded and lost color saturation between 1 and 4 weeks of storage at 1C. These changes were concomitant with the browning of the leaves. At 10C, heads held in produce or EHC.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-4557.1992.tb00979.x
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  • 2
    Electronic Resource
    Electronic Resource
    Promoter analysis of the bli-7/eas gene (1993)
    Springer
    Current genetics 24 (1993), S. 394-399 
    Details
    ISSN: 1432-0983
    Keywords: Neurospora crassa ; bli-7, eas, ccg-2 ; Promoter analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Expression of the Neurospora crassa gene bli-7, (identical with eas, and ccg-2), is induced by blue light, as well as glucose- or nitrogen-starvation. A promoter analysis was performed by an assay that does not involve promoter-reporter constructs but rather the insertion of foreign DNA into the transcribed sequence. To detect regulatory elements a series of deletions in the upstream region was generated. The inducibility of the gene, in response to the three inducing conditions mentioned, is lost by eliminating the region between-1498 bp and-1017 bp upstream of the transcription start point. A segment with an apparently negative effect was found between-595 bp and-429 bp, as well as a stretch of DNA from-429 bp to-380 bp which may exert a positive influence after light induction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00351847
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  • 3
    Electronic Resource
    Electronic Resource
    Mycelial elongation and sporulation of two fungi on amended media in light or dark (1993)
    Springer
    Antonie van Leeuwenhoek 63 (1993), S. 23-27 
    Details
    ISSN: 1572-9699
    Keywords: 6-benzyladenine ; Botrytis allii ; caffeic acid ; chlorogenic acid ; Colletotrichum dematium ; kinetin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Botrytis allii andCollectotrichum dematium are onion pathogens which can infect in the field and cause decay in storage. Some phenolics can hinder development of these fungi, but the effect of cytokinins is not clear. Cytokinins (kinetin or 6-benzyladenine) or phenolics (caffeic or chlorogenic acids) were added to agar at concentrations of 0 to 10−3 M. Cultures were continuously irradiated with fluorescent light or maintained in the dark for 6 days. On unamended media, final mycelial elongation was 45 or 17.8 mm and sporulation was 28 or 10.6 × 104 spores/ml forBotrytis andColletotrichum, respectively. ForBotrytis, mycelial elongation was slightly (5%) but significantly increased and sporulation increased by 21% by incubation on phenolics as compared to cytokinins. Mycelial extension ofColletotrichum was not affected by amendment. Sporulation ofColletotrichum on kinetin was 16 to 28% greater than on the other amendments. As amendments concentration increased elongation of mycelia of both fungi decreased. Sporulation ofBotrytis increased by 60% as amendment concentration increased from 0 to 10−5 M and then decreased 25% at 10−3 M. As amendment concentration increased from 0 to 10−3 M, sporulation ofColletotrichum increased by 45%. Incubation in light increased mycelial extension 3 to 17% forBotrytis andColletotrichum respectively, and sporulation was increased approximately 78% for both fungi. These compounds do not appear to inhibit development of theseBotrytis orColletotrichum species in culture.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00871727
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