RESOLUTION OENO 54/2000

III. WINE VINEGARS - DETERMINATION OF THE VOLATILE ACID CONTENT (OIV-MA-VI-03)

1.      DEFINITION

By convention, the volatile acidity of vinegar refers to the difference between the total acidity and the fixed acidity.

RESOLUTION OENO 53/2000

II. WINE VINEGARS - DETERMINATION OF THE FIXED ACIDITY CONTENT (OIV-MA-VI-02)

1.      DEFINITION

The fixed acidity of a vinegar refers to all the fixed (non-volatile) acids titled in the presence of phenolphthalein in an alcoholic solution, used as indicator.

RESOLUTION OENO 51/2000

COLLECTION OF WINE VINEGAR ANALYSIS METHODS

THE GENERAL ASSEMBLY

CONSIDERING Article 5, paragraph 4 of the International Convention for the unification of methods of analysis and evaluation of wines of October 13, 1954,

At the proposal of the Sub-Commission for wine analysis and evaluation methods,

CONSIDERING the advantage of establishing an initial reference for methods of analyzing wine vinegars,

RESOLUTION OENO 50/2000

INTERNATIONAL OENOLOGICAL CODEX

THIAMINE HYDROCHLORIDE

3-[(4-amino-2-methyl-5-pyrimidinyl)methyl-5-

(2-hydroxyethyl-4-methylthiazolium hydrochloride

Thiamini hydrochloridum

RESOLUTION OENO 49/2000

INTERNATIONAL OENOLOGICAL CODEX

L(+) TARTARIC ACID

L-2,3-dihydroxybutanedioic acid

Dextrorotatory tartaric acid

Acidum tartaricum

COOH-CHOH-COOH

RESOLUTION OENO 48/2000

INTERNATIONAL OENOLOGICAL CODEX

D,L-TARTARIC ACID

D,L-2,3-dihydroxybutanedioic Acid

Racemic Acid

Acidum tartaricum

COOH-CHOH-COOH

RESOLUTION OENO 47/2000

INTERNATIONAL OENOLOGICAL CODEX

GRAPE SUGAR

1.      Objective, Origin and Scope of Application

Grape sugar is obtained exclusively from grape musts.  The addition of grape sugar  to wine is subject to regulation.

RESOLUTION OENO 46/2000

INTERNATIONAL  OENOLOGICAL CODEX

LIQUID SULFUR DIOXIDE

Liquid sulfurous anhydride

Sulfuris dioxydum solutum

RESOLUTION OENO 45/2000

INTERNATIONAL OENOLOGICAL CODEX

SORBIC ACID

Trans,trans-hexa-2-4-dienoic acid