Anon (Authors Group). (2008). Technical, hygienic principles and safety management system for processing and packaging of tea.Food and Drug Administration.Tehran (in Persian).
Anon (Authors Group). (2018). Guide for tea cultivation. Organization of Basij Agriculture and Natural Resources of Guilan Province and Tea Research Center. Report published by the Tea Research Center (in Persian).
Azizizadeh, K., Seyyedain, M. and RoofigaryHaghighat, S. (2007). Evaluation of black tea quality by sensory and chemical analysis.Food Technology and Nutrition, 4(1): 51-62.
Hafezi, M., Nasernejad, B., and Vahabzadeh, F.(2006). Optimization of fermentation time for Iranian black tea production.Iranian Journal of Chemistry and Chemical Engineering, 25(1): 39-44.
Hassanpour, M. (1997).Tea planting and tea technology.Guilan University Press (in Persian).
Hara,Y. (2001). Green tea. Tokyo Food Tech., Co., Ltd., Tokyo, Japan.
Institute of Standards and Industrial Research of Iran.(2001). Tea Method for the preparation of tea beverages for the evaluation of tasting methods, National Iranian Standard, No. 5608. (in Persian).
KeshavarzFaizasa, K., Koushki, M. and RoofigaryHaghighat, S.(2017). Physicochemical properties, microbial quality and sensory attributes of different black tea brands.Current Nutrition & Food Science, 13(3) :212-218
Mahanta, P. and Baruah, S. (1992). Change in pigments and phenolics and their relationship with black tea quality. Journal of Science Food Agriculture, 59: 21-26.
Moezi, G. R. (2009). Trends of tea biochemistry and technology.Aquatic Science Publishing (in Persian).
Ozdemir, F., Gokalp, H. and Nas, S. (1992). Effect of rolling method on physical characteristics of rolled tea leaves. Sri Lanka Journal Tea Science, 61(2): 51-58
Owuor, P. O. (2003). Tea processing, Tea Research Foundation of Kenya, Kericho,Kenya. Elserier Science ltd.
Owuor, P. O., and Obanda, M. (1998).The changes in black tea quality due to variations of plucking standard andfermentation time.Food Chemistry, 61(4): 435 – 441.
Sivapalan, P., Gnanapragasam, C. and Kathiravetpillai, A. (1995).Field Guide Book.Tea Research Institute of Sri Lanka.
Sivapalan, P., Kulasegaram, S. and Kathiravetpillai, A. (1986).Handbook on tea.Tea Research Institute of Sri Lanka.
Suduwellage, D. C. J., Botheju, W. S. and Abeysinghe, D. C. (2011). Quality characteristics of black tea processed by orthodox rotorvane type of manufacture at different degrees of wither. Sri Lanka Journal Tea Science, 76 (1/2):22-32
Takeo, T., and Mahanta, P. K. (1983). Comparison of black tea aromas of orthodox and CTC tea and of black teas made from different varieties. Journal of the Science of Food and Agriculture, 34(3): 307-310.
Tampson, R. D. (2000). Coffee and tea. AOAC, 30: 1-12
TRI advisory circular (2003).Manufacture of tea by CTC process.. No 15/03.Retrieved May 5, 2018, from http://www.tri.lk/userfiles/file/Advisory_Circulars/TRI_Advisory_Ciculars_PT_03.pdf
Tufekei, M. and Guner, S. (1997).The determination of optimum fermentation time in Turkish black tea manufacture.Food Chemistry. 60(1):53-56.
Wijelath, W.A.G.E. (2015). Tea production in Sri Lanka, Field Visit, (3rd March & 7rd April 2015). Available: https://www.slideshare.net/gihanwijelath5/tea-camellia-sinensis-production-in-sri-lanka.
Willson, K. C., and Clifford, M. N. (1992).Tea: Cultivation to consumption. Springer Science & Business Media.
ZiyadMohamad, M.T., Boteju, W. S., Koneswarwmoorthy, S., Raveendran, K. and Dahanayake, D.L.D.H. (2003).Twentieth century tea research in Sri Lanka. In: Modder W.W.D. (Ed.), the processing technology in Sri Lanka (pp. 237-258), The Tea Research Institute of Sri Lanka.
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