Averyanova E. V., Shkolnikova M. N. IMPROVING THE EFFICIENCY OF BETULIN-CONTAINING FOOD INGREDIENTS FROM SILVER BIRCH (BETULA PENDULA ROTH.) IN FOOD SYSTEMS // chemistry of plant raw material, 2022, № 4. P. 333-341 DOI: 10.14258/jcprm.20220411171. URL: http://journal.asu.ru/cw/article/view/11171.