Publications in International Journals / Series (Article (International))

Bioactive compounds recovery optimization from vine pruning residues using conventional heating and microwave-assisted extraction methods

  • Industrial Crops and Products, 132, 99-110, 2019

Publisher: Elsevier


Polyphenol compounds from vine pruning residue (VPR) were extracted by conventional heating and microwave-assisted treatments. For each treatment, total phenolic compounds and their antioxidant activity were optimized by experimental design. Maximal extraction of polyphenolic compounds (2.17 g/100 g VPR) was obtained at 80 °C, 120 min and 45% of ethanol by conventional heating, and 2.37 g/100 g of VPR were extracted by microwave-assisted process at 120 °C, 5 min and 60% of ethanol. Ellagic acid and apigenin were the predominant polyphenolic compounds in the extracts, achieving concentration of ...

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