4. Conclusion and perspectives
MHG is a green extraction method that offers important advantages
like short extraction time (20 min), low energy input and no
requirements in solvents. This study proved the efficiency of MHG
in the extraction of polyphenols and anthocyanins from grape byproducts.
Moreover, the juice supplemented in MHG extract had a
more attractive colour and a higher polyphenol content while
retaining acceptable organoleptic characteristics. Thus, MHG
comes up as a sustainable food process that offers opportunities
to meet the growing demands for healthier food products.