201 Corresponding author: Farida Benmeziane. Faculty of Nature and Life Sciences. Chadli Bendjedid

Background: Grape phenolics are structurally diverse, from simple molecules to oligomers and polymers usually designated “tannins or proanthocyanidins (PAs)” referring to their ability to interact with proteins. Those compounds have been attributed to a great number of biological activities beneficial for human health as they act as antioxidant, anti-inflammatory, antitumor, etc. Aim: The objective of the current study was to quantify and to identify the PAs and determine the mean degree of...