Measurement of the phenolics in wine will give an indication of the bitter/astringent flavours. Phenolics will vary according to grape variety, but also can be high if a wine has been over– pressed.
Method: Reaction with Folin–Ciocalteu's phenol reagent and optical absorbance measurement.
Amount to send: 500 ml
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Where we refer to UKAS Accreditation
Campden BRI (Chipping Campden) Limited is a UKAS accredited testing laboratory No. 1079 Campden BRI (Nutfield) is a UKAS accredited testing laboratory No. 1207