Effect of exo-beta-D-(13)-galactanase digestion on complement activating activity of neutral arabinogalactan unit in a pectic arabinogalactan from roots of Angelica acutiloba Kitagawa

angelica antigene antigens aphyllophorales chemical composition chemical structure composition chimique degradation drug plants enzimas enzyme enzymes facteur immunologique farmacologia galactane galactanos galactans hydrolyse hydrolysis immunological factors molecular weight pectinas pectine pectins peso molecular pharmacologie pharmacology plantas medicinales plante medicinale polyholoside polysaccharides racine roots structure chimique