[1] Alizadeh, M. 2011. A practical manual for plant tissue culture and micropropgagation. Norozi Publication, Golestan, Iran. 342p. (In Persian).
[2] Chang K. 2015. World tea production and trade Current and future development. Secretary FAO Intergovernmental Group on Tea A Subsidiary Body of the FAO Committee on Commodity Problems (CCP). Food and Agriculture Organization of the United Nations, 1-13.
[4] Leung AY, Foster S. 1996. Encyclopedia of common natural ingredients used in food, drugs, and cosmetics. 489–91 (2nd ed.). John Wiley & Sons Inc.
[5] Goenka P, Sarawgi A, Karun V, Nigam AG, Dutta S, Marwah N. 2013. Camellia sinensis (Tea): implications and role in preventing dental decay. Pharmacogn Rev. 7:152–6.
[6] Kerio LC, Wachira FN, Wanyoko JK, Rotich MK. 2013. Total polyphenols, catechin profiles and antioxidant activity of tea products from purple leaf colored tea cultivars. Food Chem. 136:1405–13.
[7] Mulabagal V, Tsay HSH. 2004. Plant Cell Cultures - An alternative and efficient source for the production of biologically important secondary metabolites. Int J Appl Sci Eng. 2 (1): 29-48.
[8] Muthaiya MJ, Nagella P, Thiruvengadam M, Mandal AA. 2013. Enhancement of the productivity of Tea (Camellia sinensis) secondary metabolites in cell suspension cultures using pathway inducers. J Crop Sci Biotech. 16 (2): 143-49.
[9] Dicosmo F, Misawa M. 1995. Plant cell and tissue culture: Alternatives for metabolite production. Biotechnol Adv. 13: 425-453.
[10] George EF. 1993. Plant propagation by tissue culture.Exegetics Ltd, Edington, England.
[11] Khorsha S, Alizadeh M, Mashayekhi K. 2016. The usefulness of apricot gum as an organic additive ingrapevine tissue culture media. Adv Hort Sci 30(2): 111-18.
[12] Murashige T, Skoog F. 1962. A revised medium for rapid growth and bioassays with tobacco tissue cultures. Physiol Plant. 15 (3): 473 – 97.
[13] Schenk R, Hildebrandt AC. 1972. Medium and techniques for induction and growth of monocotyledonous and diotyledonous plant cell cultures. Can J of Bot 1972; 50(1):199-204.
[14] Lloyd G, McCown. 1980. Commercially-feasible micropropagation of mountain laurel, Kalmia latifolia, by use of shoot-tip culture. B Int Plant Prop Soc Proc. 30: 421-27.
[16] Gamborg OL. 1991. Media preparation, pp. 1-24. Lindsey K (ed.), Plant tissue culture manual. Kluwer Academic Publishers, Dordrecht, Netherlands.
[17] Sarathchanira TM, Upall PD, Wijewardena RGA. 1988. Studies on the Tissue culture of Tea (Camellia sinensis (L.) O. Kuntze): Somatic embryogenesis in stem and leaf callus cultures. S L J Tea Sci. 57 (2): 50-54.
[18] Nikolaeva TN, Zagoskina NV, Zaprometov MN. 2009. Production of phenolic compounds in callus cultures of Tea plant under the effect of 2, 4-D and NAA. Russian J Plant Physio. 56 (1): 45–49.
[19] Sarwar M. 1985. Callus formation from explanted organs of Tea (Camellia sinensis). Tea Sci. 54 (1): 18-22.
[20] Kaviani B. 2013. Somatic Embryogenesis and Plant Regeneration from Embryonic Axes and Cotyledons Explants of Tea (Camellia sinenesis L.). J Ornamental Hort Plants. 3 (1): 33-38.
[21] Hartmann HT, Kester DE, Davis FT, Geneve RT. 2007. Plant propagation, principles and practices, seventh edition, Pearson Education, Inc., USA.
[22] Perveen A, Wahid A, Mahmood S, Hussain I, Rasheed R. 2015. Possible mechanism of root-applied thiourea in improving growth, gas exchange and photosynthetic pigments in cadmium stressed maize (Zea mays). Brazilian J Bot. 38: 71‒79.
[23] Ikram S, Javed F. 2015. Cadmium Stress Alleviation by Thiourea in Barley. Inter J Innov Appl Studies 12: 384-89.
[24] Sanaullah T, Wahid A, Javed F, Sadia B. 2016. Optimization of thiourea level at cellular and whole plant level for maize hybrids (Zea mays L.). Appl Ecol Environ Res. 14(5): 1-18.
[25] Filova A. 2014. Production of secondary metabolites in plant tissue cultures. Res J AgriSci. 46 (1): 236 - 45.
[26] Harvey AL, Edrada-Ebel R, Quinn RJ. 2015. The re-emergence of natural products for drug discovery in the genomics era. Nat Rev Drug Discov. 14:111–29.
[27] Matkowski A. 2008. Plant in vitro culture for the production of antioxidants - a review. Biotechnol Adv. 26, 548-60.
[28] Ogutuga BA, NorthcoteDH. 1970. Caffeine formation in Tea callus tissue.J Exp Bot. 21(2): 258–73.
[29] Hegazi GAE, El-Lamey TM. 2012. In vitro production of some phenoliccompounds from Ephedra alata Decne. J Appl Environ Biol Sci. 158-63.
[30] Anand S, 2010. Various approaches for secondary metabolite production through plant tissue culture. Pharmacia. 1: 1-7.