The succinic acid (or acid butanedioïque ) is a Organic acid with two groups carboxyls, of semi-developed Formule COOH-CH2-CH2-COOH, which intervenes in the cellular Métabolisme , like intermediary at the time of the Cycle of Krebs in the Mitochondrie.

It can yield a proton in aqueous solution to give the ion succinate, according to a acido-basic balance.

succinic acid and wine

The succinic acid also uses the composition of the Vin and is always obtained at the time of the alcoholic Fermentation of the Sucre in minor amounts, approximately 1 G for 100 G of alcohol. The formation of succinic acid and 2-3 butane diol starting from éthanal (acetaldehyde) can be summarized in the following way:

• succinic acid

5 CH ₃-CHO + 2:2 O => COOH-CH₂-CH₂-COOH + 3 CH ₃-CH₂OH.

• butanediol-2,3

CH₃-CHO + CH₃CH₂OH => CH₃-CHOH-CHOH-CH₃.

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