The invention provides a coffee pulp treatment process comprising (a1) Providing coffee pulp, obtainable from a production process for producing green coffee beans from coffee cherries； (a2) subjecting the coffee pulp to a preservation process, (b) extracting from the coffee pulp a pectin comprising extract, wherein extraction is performed under acid conditions or alkaline conditions, to provide the pectin comprising extract； (c) enzymatic treatment of the pectin comprising extract, wherein the enzymatic treatment comprises a treatment with one or more enzymes selected from the group consisting of an esterase and a reductase, to provide a enzymatically treated pectin material； and (d) extraction of polyphenol functionalized coffee pectin extract from the enzymatically treated pectin material.
