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Estaan, a natural alternative to sulphite in wine

Photo: Tournesol, Wikimedia Commons.

The effects are well-known. After an evening with just a little too much wine consumption, you wake up with a headache. Not because of the alcohol but because of the sulphite in the wine. Sulphite is an antioxidant, a necessary ingredient as wine left on its own will gradually be oxidised to vinegar. But Biolethics