TY JOUR TI THE SAPONINS CONTENT IN THE FRUIT OF THE AMORPHA FRUTICOSA GROWING IN THE TERRITORY OF THE ASTRAKHAN REGION KW triterpene saponins KW introduced plants KW water extraction KW Amorpha fruticosa KW spectrophotometry JO CASPIANJOURNALOF MEDICINE AND PHARMACY AU Sal’nikova, N.. AU Polunina, Y.A. PY 2020 IS 1 PB Astrakhan State Medical University