Together with gluconic acid, uronic acids such as galacturonic acid and glucuronic acid are products that form in botrized grapes and that combine sulphur dioxide therefore lowering the level of free SO₂ with the…
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Determination of the Galacturonic Acid in must and wine
Together with gluconic acid, uronic acids such as galacturonic acid and glucuronic acid are products that form in botrized grapes and that combine sulphur dioxide therefore lowering the level of free SO₂ with the same added metabisulphite. Knowing the concentration of these compounds, both in red and white wines, is therefore very important in order to establish the most suitable oenological protocol.
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