The aim of the work was to evaluate effect hot air and infrared drying on content total polyphenols anthocyanin dyes in selected types small fruits. In we used chokeberry (Aronia melanocarpa Michx.) variety Nero, elderberry (Sambucus nigra L.) Haschberg, sour cherry (Prunus cerasus Fanal, red currant (Ribes rubrum Lake, black nigrum Triton, elaeagnus (Elaeagnus multiflora Thunb), raspberry (Rub...