TY JOUR TI Elderberry (Sambucus nigra L.) Beer with Antioxidant Properties KW Beer wort KW elder KW fermentation KW color KW polyphenols KW anthocyanins JO Food Processing: Techniques and Technology AU Burak, L.C. AU Zavaley, A.P. PY 2022 IS 52 PB Kemerovo State University