1. Institute of the Chemistry of Plant Substances of the Academy Sciences of Uzbekistan, Tashkent, Uzbekistan
2. Department of General Biology, Djizak State Pedagogical Institute, Djizak, Uzbekistan
3. University of Natural Resources and Life Sciences (BOKU), Division of Chemistry of Renewable Resources, Vienna, Austria
4. Faculty of Biology of the National University of Uzbekistan, Tashkent, Uzbekistan