Characterisation and enzymatic hydrolysis of cell-wall polysaccharides from different tissue zones of apple

apples biochemistry biochimie cell walls cellulose celulosa enzimas enzyme enzymes enzymic activity fruits frutas galacturonic acid hemicellulose hemicelulosa manzana pared celular paroi cellulaire pectinas pectine pectinesterasas pectinesterase pectins poligalacturonasa polygalacturonase polyholoside polysaccharides pomme sucre acide sugar acids