[Preparation of fruits firmer in texture]

almacenamiento canned fruits cereza cerise cherries conserve de fruits enzymic activity firmeza firmness fraise fresa frozen fruits fruit products frutas congeladas frutas en conserva pectinas pectine pectinesterasas pectinesterase pectins peroxidases procesamiento processing productos derivados de las frutas sauerkirsche stockage storage strawberries textura texture traitement