Home Learn Malic acid Decanter Staff November 10, 2010 See 'acids', ‘malolactic fermentation’. Written by Latest Wine News London welcomes wine lovers: Highlights from the Decanter Fine Wine Encounter 2025 ‘Vieille Julienne’s Réservé is Grenache in excelsis’: Matt Walls on a Châteauneuf stand out Hugh Johnson: ‘I feel solidarity with the courageous growers who stake so much on challenging the English weather’ Spain news briefing: Cult Barcelona wine bar hits London and ‘elBulli’ book release Decanter World Wine Awards 2026 entries now open: Recognition that delivers results