Sulphite‐binding power of wines and ciders. II. Theoretical consideration and calculation of sulphite‐binding equilibra | Zendy

Burroughs Leonard F. | Zendy; Sparks Arthur H. | Zendy

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Sulphite‐binding power of wines and ciders. II. Theoretical consideration and calculation of sulphite‐binding equilibra

Author(s) -

Burroughs Leonard F.,

Sparks Arthur H.

Publication year - 1973

Publication title -

journal of the science of food and agriculture

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.782

H-Index - 142

eISSN - 1097-0010

pISSN - 0022-5142

DOI - 10.1002/jsfa.2740240212

Subject(s) - wine , chemistry , chromatography , fractionation , organic chemistry , food science

The Law of Mass Action is used to explain the SO 2 ‐binding behaviour of carbonyl compounds in wines and ciders and to calculate the contribution of each carbonyl compound to the SO 2 ‐binding power of the system. On a model wine the calculated graph of bound SO 2 with increasing concentration of free SO 2 agreed closely with experimental determinations. Fractionation of the model wine on a column of Dowex 1 (bisulphite) gave good recoveries (95 to 103.5%) of the individual components.

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