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Extraction and quantification of polyphenols in coffee pulp



Extraction and quantification of polyphenols in coffee pulp



Archivos Latinoamericanos de Nutricion 35(3): 491-495



Polyphenols were extracted from coffee pulp using methanol, methanol and water (50:50), 3% ammonium hydroxide or 1% calcium hydroxide as solvents. There was no difference in amount of polyphenols extracted after 10 min or 1 h for each solvent. NH4OH and Ca(OH)2 extracted more polyphenols than the other 2 solvents, with NH4OH more efficient in extracting condensed polyphenols.

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