TY JOUR TI Prospects of obtaining sodium alginate from brown algae of Caspian Sea KW algoflora of the Volga-Caspian basin KW brown algae KW sodium alginate KW ectocarpus KW biologically active substances JO Vestnik of Astrakhan State Technical University AU Zaporozhec, E.. AU Nugmanov, A.. PY 2022 IS 2022 PB Astrakhan State Technical University