Process for extracting polyphenolic antioxidants from purine-containing plants

H.D. Hoving (Inventor), R. Kattenberg (Inventor), D.A.J. Starmans (Inventor)

Research output: Patent


A process for isolating polyphenolic antioxidants from purine-containing plant material, comprising the steps of: (a) extracting the plant material with an hydroxylic extracting liquid preferably at low temperature; (b) adsorbing the extract obtained in step (a), preferably at low temperature; (c) desorbing the adsorbed material with a hydroxylic desorbing liquid, preferably at relatively high temperature; and (d) concentrating and optionally drying the desorbed material. The process is especially suitable for producing cocoa antioxidants ofr use in pharmaceutical, cosmetic and nutritional compositions.
Original languageEnglish
Patent numberEP1026164
Publication statusPublished - 19 Dec 2007


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