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  • FTIR spectroscopy as a tool to detect contamination of rocket (Eruca sativa and Diplotaxis tenuifolia) salad with common groundsel (Senecio vulgaris) leaves
    Kokalj, Meta, farmacevtka ; Prikeržnik, Marcel ; Kreft, Samo
    BACKGROUND: Rocket is a popular salad vegetable used all over theworld and it hasmany health benefits.However, likewith all plantmaterial, there exists a danger of contamination with toxic ... substances. In the case of rocket, contamination with groundsel has occurred. Groundsel is a commonweed in rocket crops, and it contains very toxicpyrrolizidine alkaloids. In our study infrared spectroscopy was used to distinguish groundsel samples from rocket leaves. Infrared spectroscopy is a very simple analytical technique; however, somespecific conditions are more easily implemented in industrial environment than others. Someof these conditions and parameters of infrared spectroscopy were explored in detail. RESULTS:We tested for the influence of different parameters of attenuated total reflectance and transmission infrared method. Our results show that a 100% correct classification can be obtained under conditions most suitable for industry: using fresh samples and parameters that enable fast spectralmeasurement. CONCLUSION: Infrared spectroscopy is a fast and easy-to-use method that has been shown to be able to differentiate between rocket and groundsel leaves. Therefore, it could be further studied for implementation in the safety control of rocket salads.
    Vir: Journal of the science of food and agriculture. - ISSN 0022-5142 (Vol. 97, Issue 7, May 2017, str. 2238-2244)
    Vrsta gradiva - članek, sestavni del
    Leto - 2017
    Jezik - angleški
    COBISS.SI-ID - 4256625

    Povezava(-e):

    http://onlinelibrary.wiley.com/doi/10.1002/jsfa.8034/abstract
    DOI

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