Abdelwahd R., Hakam N., Labhilili M., Udupa S.M. (2008): Use of an adsorbent and antioxidants to reduce the effects of leached phenolics in in vitro plantlet regeneration of faba bean. African Journal of Biotechnology, 7: 997–1002. da Silva J.A.T. (2013): Impact of paper bridges, activated charcoal, and antioxidants on growth and development of protocorm-like bodies of hybrid Cymbidium. In Vitro Cellular & Developmental Biology-Plant, 49: 414–420. Dąbrowski A., Podkościelny P., Hubicki Z., Barczak M. (2005): Adsorption of phenolic compounds by activated carbon – a critical review. Chemosphere, 58: 1049–1070.  https://doi.org/10.1016/j.chemosphere.2004.09.067 de Faria R.T., Santiago D.C., Saridakis D.P., Albino U.B., Araújo R. (2002): Preservation of the brazilian orchid Cattleya walkeriana Gardner using in vitro propagation. Crop Breeding and Applied Biotechnology, 23: 489–492.  https://doi.org/10.12702/1984-7033.v02n03a24 Faisal M., Ahmand N., Anis M. (2007): An efficient micropropagation system for Tylophora indica: an endangered, medicinally important plant. Plant Biotechnology Reports, 13: 155–161.  https://doi.org/10.1007/s11816-007-0025-4 Ko W.H., Su C.C., Chen C.L., Chao C.P. (2009): Control of lethal browning of tissue culture plantlets of Cavendish banana cv. Formosana with ascorbic acid. Plant Cell Tissue and Organ Culture, 962: 137–141. Morales L.M., Faria R.T., Cuquel F.L. (2003): Activated charcoal for in vitro propagation of Brazilian orchids. In: V International Symposium on New Floricultural Crops, 683: 383–390. Murashige T., Skoog F. (1962): A revised medium for rapid growth and bioassays with tobacco tissue culture. Physiologia Plantarum, 15: 473–497. https://doi.org/10.1111/j.1399-3054.1962.tb08052.x Ndakidemi C.F., Mneney E., Ndakidemi P.A. (2014): Effects of ascorbic acid in controlling lethal browning in in vitro culture of Brahylaena huillensis using nodal segments. American Journal of Plant Sciences, 501: 187.  https://doi.org/10.4236/ajps.2014.51024 Ng C.Y., Saleh N.M. (2011): In vitro propagation of Paphiopedilum orchid through formation of protocorm-like bodies. Plant Cell Tissue and Organ Culture, 105: 193–202. https://doi.org/10.1007/s11240-010-9851-0 Ngomuo M., Mneney E., Ndakidemi P. (2014): Control of lethal browning by using ascorbic acid on shoot tip cultures of a local Musa spp. (Banana) cv. Mzuzu in Tanzania. African Journal of Biotechnology, 1316: 1721–1725. Nongdam P., Chongtham N. (2011): In vitro rapid propagation of Cymbidium aloifolium L. Sw.: A medicinally important orchid via seed culture. Journal of Biological Sciences, 113: 254–260.  https://doi.org/10.3923/jbs.2011.254.260 Rittirat S., Kongruk S., Te-Chato S. (2012): Induction of protocorm-like bodies PLBs and plantlet regeneration from wounded protocorms of Phalaenopsis cornu-cervi Breda Blume & Rchb. f. Journal of Agricultural Technology, 87: 2397–2407. Singleton V.L., Rossi J.A. (1965): Colorimetry of total phenolics with phosphomolybdic-phosphotungstic acid reagents. American Journal of Enology and Viticulture, 16: 144–158. Skrzypek E., Szechyńska-Hebda M., Dąbrowska G. (2007): Wpływ akumulacji związków fenolowych na zdolności regeneracyjne kalusa wybranych gatunków roślin. [The influence of phenol accumulation on the regenerative capacity of callus of selected plant species]. Zeszyty Problemowe Postępów Nauk Rolniczych, 523: 203–211. (in Polish) Wojcieszyńska D., Wilczek A. (2006): Związki fenolowe pochodzenia naturalnego (Phenolic compounds of natural orgin). Nauka i Technika, 6: 6–12. (in Polish) Yan N., Hu H., Huang J.L., Xu K., Wang H., Zhou Z.K. (2006): Micropropagation of Cypripedium flavum through multiple shoots of seedlings derived from mature seeds. Plant Cell Tisssue and Organ Culture, 841: 114–118. https://doi.org/10.1007/s11240-005-9001-2