Cranberry extract, advantageously de-esterified, comprising: * 5 to 20% by weight, advantageously 10 to 15% by weight, of proanthocyanidols (PAC) with respect to the total weight of the dry extract (measured by the BL-DMAC method), * 2 to 12% by weight, advantageously 3 to 10% by weight, advantageously strictly more than 5% and less than 10% by weight of organic acids with respect to the total weight of the dry extract, including: - 1 to 10% by weight, advantageously 1 to 5% by weight, advantageously 1 to 3% by weight of quinic acid with respect to the total weight of the dry extract, - 0.5 to 8% by weight, advantageously 1 to 4% by weight, of acids phenolics with respect to the total weight of the dry extract, * at least 0.5% by weight, advantageously at least 1% by weight, of anthocyanins and / or of antianidols with respect to the total weight of the dry extract, * 1 to 10 % by weight of sugars with respect to the total weight of the dry extract, * 1 to 10% by weight, advantageously 2 to 5% by weight, of flavonols, in the form glycosylated / or aglycone.Extracto de arándano, ventajosamente desesterificado, que comprende: * 5 a 20% en peso, ventajosamente 10 a 15% en peso, de proantocianidoles (PAC) con respecto al peso total del extracto seco (medido mediante el método de BL-DMAC), * 2 a 12% en peso, ventajosamente 3 a 10% en peso, ventajosamente de manera estricta más de 5% y menos de 10% en peso de ácidos orgánicos con respecto al peso total del extracto seco, incluyendo: - 1 a 10% en peso, ventajosamente 1 a 5% en peso, ventajosamente 1 a 3% en peso de ácido quínico con respecto al peso total del extracto seco, - 0,5 a 8% en peso, ventajosamente 1 a 4% en peso, de ácidos fenólicos con respecto al peso total del extracto seco, * por lo menos 0,5% en peso, ventajosamente por lo menos 1% en peso, de antocianos y/o de anticianidoles con respecto al peso total del extracto seco, * 1 a 10% en peso de azúcares con respecto al peso total del extracto seco, * 1 a 10% e
