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  • 1
    Book
    Book
    Münster-Hiltrup (Westf.) : KTBL-Schriften-Vertrieb im Landwirtschaftsverl.
    UID:
    b3kat_BV022268899
    Format: 62 S. , Ill., graph. Darst.
    ISBN: 9783939371168
    Series Statement: KTBL-Schrift 450
    Language: German
    Subjects: Agriculture, Forestry, Horticulture, Fishery, Domestic Science
    RVK:
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  • 2
    UID:
    b3kat_BV004821091
    Format: 190, 8 S. , graph. Darst.
    Note: Berlin, Techn. Univ., Diss., 1991
    Language: German
    Keywords: Golden Delicious ; Salzgehalt ; Kalium ; Golden Delicious ; Salzgehalt ; Hochschulschrift
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  • 3
    UID:
    b3kat_BV002776268
    Format: 2 Mikrofiches; 24x
    Note: Mainz, Univ., Diss., 1990. - Mikroreprod. e. Ms. 146 S. : graph. Darst. , Mainz, Univ., Diss., 1990
    Language: German
    Keywords: Chloroplast ; Nanochlorum eucaryotum ; DNS ; Hochschulschrift
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  • 4
    UID:
    edochu_18452_21205
    Format: 1 Online-Ressource (20 Seiten)
    Content: Plant cultivation and processing may impact nutrient and phytochemical content of vegetables. The present study aimed at determining the influence of cultivation and processing on the health promoting capacity of African nightshade (Solanum scabrum Mill.) leaves, an indigenous vegetable, rich in nutrients and phytochemicals. Anti-genotoxicity against the human liver carcinogen aflatoxin B1 (AFB1) as determined by the comet assay and radical oxygen species (ROS) scavenging capacity of ethanolic and aqueous extracts were investigated in human derived liver (HepG2) cells. ROS scavenging activity was assessed using electron paramagnetic spin resonance and quantification of ARE/Nrf2 mediated gene expression. The cultivation was done under different environmental conditions. The processing included fermentation and cooking; postharvest ultraviolet irradiation (UV-C) treatment was also investigated. Overall, S. scabrum extracts showed strong health promoting potential, the highest potential was observed with the fermented extract, which showed a 60% reduction of AFB1 induced DNA damage and a 38% reduction in FeSO4 induced oxidative stress. The content of total polyphenols, carotenoids and chlorophylls was indeed affected by cultivation and processing. Based on the present in vitro findings consumption of S. scabrum leaves could be further encouraged, preferentially after cooking or fermentation of the plant.
    Content: Peer Reviewed
    In: Nutrients, Basel : MDPI, 10,2018,10
    Language: English
    URL: Volltext  (kostenfrei)
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  • 5
    UID:
    edochu_18452_21671
    Format: 1 Online-Ressource (12 Seiten)
    Content: Intercropping is widespread in small-holder farming systems in tropical regions and is also practiced in the cultivation of indigenous vegetables, to alleviate the multiple burdens of malnutrition. Due to interspecific competition and/or complementation between intercrops, intercropping may lead to changes in plants accumulation of minerals and secondary metabolites and hence, alter nutritional quality for consumers. Intercropping aims to intensify land productivity, while ensuring that nutritional quality is not compromised. This study aimed to investigate changes in minerals and secondary plant metabolites in intercropped Brassica carinata and Solanum scabrum, two important African indigenous vegetables, and evaluated the suitability of this combination for dryer areas. B. carinata and S. scabrum were grown for 6 weeks under controlled conditions in a greenhouse trial. Large rootboxes (8000 cm3 volume) were specifically designed for this experiment. Each rootbox was planted with two plants, either of the same plant species (mono) or one of each plant species (mixed). A quartz sand/soil substrate was used and fertilized adequately for optimal plant growth. During the last 4 weeks of the experiment, the plants were either supplied with optimal (65% WHC) or low (30% WHC) irrigation, to test the effect of a late-season drought. Intercropping increased total glucosinolate content in B. carinata, while maintaining biomass production and the contents of other health related minerals in both B. carinata and S. scabrum. Moreover, low irrigation led to an increase in carotene accumulation in both mono and intercropped S. scabrum, but not in B. carinata, while the majority of kaempferol glycosides and hydroxycinnamic acid derivatives of both species were decreased by intercropping and drought treatment. This study indicates that some health-related phytochemicals can be modified by intercropping or late-season drought, but field validation of these results is necessary before definite recommendation can be made to stakeholders.
    Content: Peer Reviewed
    In: Frontiers in plant science, Lausanne : Frontiers Media S.A., 08,2017
    Language: English
    URL: Volltext  (kostenfrei)
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  • 6
    Book
    Book
    Darmstadt : KTBL
    UID:
    kobvindex_ZLB14214506
    Format: 62 Seiten , Ill., graph. Darst. , 24 cm
    ISBN: 9783939371168 , 3939371165
    Series Statement: KTBL-Schrift 450
    Language: German
    Keywords: Spargelanbau
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  • 7
  • 8
    UID:
    edochu_18452_28234
    Format: 1 Online-Ressource (12 Seiten)
    ISSN: 0379-5721 , 0379-5721
    Content: Background: Integrated school and home garden interventions can improve health outcomes in low-income countries, but rigorous evidence remains scarce, particularly for school-aged children and to reduce anemia. Objective: We test if an integrated school and home garden intervention, implemented at pilot stage, improves hemoglobin levels among school children (aged 9-13 years) in a rural district in the mid-hills of Nepal. Methods: We use a cluster randomized controlled trial with 15 schools each in the control and treatment groups (n = 680 school children). To test if nutritional improvements translate into a reduction of anemia prevalence, hemoglobin data were collected 6 months after intervention support had ended. Using structural equation modeling, we estimate the direct and indirect effects of the treatment through several pathways, including nutritional knowledge, good food and hygiene practices, and dietary diversity. Results: The integrated school and home garden intervention did not lead to a direct significant reduction in anemia. Causal positive changes of the treatment on nutritional outcomes, although significant, are not strong enough to impact hemoglobin levels. The program improved hemoglobin levels indirectly for children below 12 by increasing the use of good food and hygiene practices at home. These practices are associated with higher hemoglobin levels, particularly for girls, young children, and in households where caregivers are literate. Conclusions: Even integrated school and home garden interventions are not sufficient to reduce anemia among school children. Incorporating behavioral change components around food and hygiene practices into integrated garden interventions is important to unlocking their health impacts.
    Content: Peer Reviewed
    Note: This publication is with permission of the rights owner (Sage) freely accessible.
    In: Tokyo : United Nations University Press, 44,3, Seiten 195-206, 0379-5721
    Language: English
    URL: Volltext  (kostenfrei)
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  • 9
    UID:
    edochu_18452_21873
    Format: 1 Online-Ressource (14 Seiten)
    Content: The spider mite Tetranychus urticae Koch and the aphid Myzus persicae (Sulzer) both infest a number of economically significant crops, including tomato (Solanum lycopersicum). Although used for decades to control pests, the impact of green lacewing larvae Chrysoperla carnea (Stephens) on plant biochemistry was not investigated. Here, we used profiling methods and targeted analyses to explore the impact of the predator and herbivore(s)-predator interactions on tomato biochemistry. Each pest and pest-predator combination induced a characteristic metabolite signature in the leaf and the fruit thus, the plant exhibited a systemic response. The treatments had a stronger impact on non-volatile metabolites including abscisic acid and amino acids in the leaves in comparison with the fruits. In contrast, the various biotic factors had a greater impact on the carotenoids in the fruits. We identified volatiles such as myrcene and α-terpinene which were induced by pest-predator interactions but not by single species, and we demonstrated the involvement of the phytohormone abscisic acid in tritrophic interactions for the first time. More importantly, C. carnea larvae alone impacted the plant metabolome, but the predator did not appear to elicit particular defense pathways on its own. Since the presence of both C. carnea larvae and pest individuals elicited volatiles which were shown to contribute to plant defense, C. carnea larvae could therefore contribute to the reduction of pest infestation, not only by its preying activity, but also by priming responses to generalist herbivores such as T. urticae and M. persicae. On the other hand, the use of C. carnea larvae alone did not impact carotenoids thus, was not prejudicial to the fruit quality. The present piece of research highlights the specific impact of predator and tritrophic interactions with green lacewing larvae, spider mites, and aphids on different components of the tomato primary and secondary metabolism for the first time, and provides cues for further in-depth studies aiming to integrate entomological approaches and plant biochemistry.
    Content: Peer Reviewed
    In: Lausanne : Frontiers Media S.A., 7
    Language: English
    URL: Volltext  (kostenfrei)
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  • 10
    UID:
    gbv_756392756
    Format: 10
    ISSN: 0367-326X
    In: Fitoterapia, Oxford : Elsevier Science, 1925, 85(2013) vom: März, Seite 25-34, 0367-326X
    In: volume:85
    In: year:2013
    In: month:03
    In: pages:25-34
    In: extent:10
    Language: English
    Author information: Rohn, Sascha 1973-
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