Subcritical extraction of birch bark pentacyclic triterpenes

D. I. Falev; D. S. Kosyakov; N. V. Ul´yanovskii; D. V. Ovchinnikov; S. L. Shestakov

doi:10.1007/s11172-017-1822-8

Subcritical extraction of birch bark pentacyclic triterpenes

Autores: Falev D.I.¹, Kosyakov D.S.¹, Ul´yanovskii N.V.¹, Ovchinnikov D.V.¹, Shestakov S.L.¹
Afiliações:
1. Northern (Arctic) Federal University named after M. V. Lomonosov
Edição: Volume 66, Nº 5 (2017)
Páginas: 875-881
Seção: Full Articles
URL: https://journals.rcsi.science/1066-5285/article/view/240576
DOI: https://doi.org/10.1007/s11172-017-1822-8
ID: 240576

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Natural pentacyclic triterpenes were extracted from birch bark with subcritical solvents. The influence of the solvent nature, temperature, and the number of extraction cycles on the efficiency of the process was studied. Using methanol at 100 °С provides the highest tri-terpene extraction rate. Bark extracts prepared using various solvents were analyzed for chemical composition and antioxidant activity.