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- Microwave assisted extraction of betulin from birch outer bark. Rui Ferreira, Helga Garcia, Andreia F. Sousa, Carmen S. R. Freire, Armando J. D. Silvestre, Werner Kunz, Luís Paulo N. Rebelo, Cristina Silva Pereira
, RSC Adv.
, 2013
, 3
, 21285
- Oxidation of a wood extractive betulin to biologically active oxo-derivatives using supported gold catalysts. Ekaterina N. Kolobova, Ekaterina G. Pakrieva, Sónia A. C. Carabineiro, Nina Bogdanchikova, Andrey N. Kharlanov, Sergey O. Kazantsev, Jarl Hemming, Päivi Mäki-Arvela, Alexey N. Pestryakov, Dmitry Yu. Murzin
, Green Chem.
, 2019
, 21
, 3370
- Pressurized liquid extraction of betulin and antioxidants from birch bark. Michelle Co, Pirjo Koskela, Peter Eklund-Åkergren, Keerthi Srinivas, Jerry W. King, Per J. R. Sjöberg, Charlotta Turner
, Green Chem.
, 2009
, 11
, 668