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  • Exploring secondary metabolites in coffee and tea food wastes
    Grohar, Mariana Cecilia ...
    Coffee and tea are popular beverages worldwide, and therefore generate large amounts of waste. Here we describe the caffeine content and phenolic profile in three types of teas and coffees, and how ... they vary with two successive extractions. Although the first extraction was far more efficient than the second, green tea also showed a high content of flavanols in the second extraction, as did mate tea for phenolic acids. Black tea could also be a good option since caffeine content was highest in both extractions. Water also proved to be the most effective solvent in almost all cases, which represent a major benefit for urban horticulture, as it is a simple extraction method from an easily accessible source. Coffee and tea residues are a rich source of caffeine and phenolic compounds that could potentially be used as alternatives to conventional pesticides.
    Source: Horticulturae [Elektronski vir]. - ISSN 2311-7524 (Vol. 7, No. 11 (443), 2021, Str. 1-14)
    Type of material - e-article ; adult, serious
    Publish date - 2021
    Language - english
    COBISS.SI-ID - 83087363

    Link(s):

    https://www.mdpi.com/2311-7524/7/11/443
    Repository of the University of Ljubljana – RUL
    DOI

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