Isolation and preliminary chemical analysis of polysaccharides from tissue culture of Holarrchena antidysenterica (Roxb.) wall

acide aspartique acido aspartico alanina alanine analytical methods apocynaceae arabinosa arabinose aspartic acid cal callo callus chemical composition chromatographie sur papier composition chimique crop yield cultivo de tejidos culture de tissu drug plants glucosa glucose in vitro experimentation paper chromatography plantas medicinales plante medicinale polyholoside polysaccharides proteine proteins rendement des cultures rendimiento de cultivos serina serine technique analytique threonine tissue culture treonina