In russian: экстрагирование.
EXPERIMENTAL STUDY OF VARIABILITY OF COMPOSITION OF ESSENTIAL OILS // Issue 53, P. 39 - 52.
MUSAEV Abdulakhid Magomedovich
RADZHABOV Gadzhi Kamaludinovicn
GUSEINOVA Ziyarat Agamirzoevna
KURAMAGOMEDOV Magomed Kuramagomedovich