Cherotich, L., Kamunya, S. M.,Alakonya,A., Msomba, S. W.,
Uwimana, M. A., Wanyoko, J. K., & Owuor, P. O. (2013).
Variation in catechin composition of popularly cultivated
tea clones in East Africa (Kenya). In JKUAT ANNUAL
SCIENTIFIC CONFERENCE PROCEEDINGS: 121–
141. http://hdl.handle.net/123456789/3405.
Chou, C. H., & Waller, G. R. (1980). Possible allelopathic
constituents of Coffea arabica. Journal of chemical ecology, 6(3):643–654. https://doi.org/10.1007/BF00987675
Eden, T. (1976). Tea. Longman Group Limited.
Fernando, C. D., & Soysa, P. (2015). Extraction Kinetics of phytochemicals and antioxidant activity during
black tea (Camellia sinensis L.) brewing. Nutrition
journal, 14(1):74. https://doi.org/10.1186/s12937-0150060-x.
Fu, X., Chen, Y., Mei, X., Katsuno, T., Kobayashi, E., Dong,
F., Naoharu, W.., & Yang, Z. (2015). Regulation of formation of volatile compounds of tea (Camellia sinensis)
leaves by single light wavelength. Scientific reports, 5:
16858. https://doi.org/10.1038/srep16858.
Ghabru, A., & Sud, R. G. (2017). Variations in phenolic constituents of green tea [Camellia sinensis (L) O Kuntze]
due to changes in weather conditions. J Pharmacogn
Phytochem: 1553–1557. E-ISSN: 2278-4136.
Hirai, M.,Yoshikoshi, H., Kitano, M., Wakimizu, K., Sakaida,
T., Yoshioka, T. & Maki, T. (2008, October). Production
of value-added crop of green tea in summer under the
shade screen net: Canopy microenvironments. In International Workshop on Greenhouse Environmental Control
and Crop Production in Semi-Arid Regions 797: 411–417.
https://doi.10.17660/ActaHortic.2008.797.59.
Kerio, L. C., Wachira, F. N., Wanyoko, J. K., & Rotich, M. K.
(2013). Total polyphenols, catechin profiles and antioxidant activity of tea products from purple leaf coloured
tea cultivars. Food chemistry, 136(3–4): 1405–1413.
https://doi.org/10.1016/j.foodchem.2012.09.066.
Kim, Y. S., & Sano, H. (2008). Pathogen resistance of
transgenic tobacco plants producing caffeine. Phytochemistry, 69(4):882–888. https://doi.org/10.1016/j. phytochem.2007.10.021.
Kirakosyan, A., Kaufman, P., Warber, S., Zick, S., Aaronson,
K., Bolling, S., & Chul Chang, S. (2004). Applied environmental stresses to enhance the levels of polyphenolics
in leaves of hawthorn plants. Physiologia plantarum,
121(2):182–186. https://doi.org/10.1111/j.1399-3054.
2004.00332.x
Lee, J. E., Lee, B. J., Chung, J. O., Hwang, J. A., Lee, S. J., Lee,
C. H., & Hong, Y. S. (2010). Geographical and climatic
dependencies of green tea (Camellia sinensis) metabolites: a 1H NMR-based metabolomics study. Journal of
agricultural and food chemistry, 58(19):10582–10589.
https://doi.10.1021/jf102415m.
Lee, L. S., Choi, J. H., Son, N., Kim, S. H., Park, J. D., Jang, D.
J., & Kim, H. J. (2013). Metabolomic analysis of the effect
of shade treatment on the nutritional and sensory qualities
of green tea. Journal of agricultural and food chemistry, 61(2):332–338. https://doi.10.1021/jf304161y.
Liu, G. F., Han, Z. X., Feng, L., Gao, L. P., Gao,
M. J., Gruber, M. Y., & Wei, S. (2017). Metabolic
flux redirection and transcriptomic reprogramming in
the albino tea cultivar ‘Yu-Jin-Xiang’with an emphasis on catechin production. Scientific reports, 7:45062.
https://doi.org/10.1038/srep45062.
Nathanson, J. A. (1984). Caffeine and related methylxanthines: possible naturally occurring pesticides. Science, 226(4671):184–187. https://doi.org/10.1126/
science.6207592.
Nyabundi, K. W., Owuor, P. O., Netondo, G. W., & Bore, J. K.
(2016). Genotype and environment interactions of yields
and yield components of tea (Camellia sinensis) cultivars in Kenya. https://repository.maseno.ac.ke/handle/
123456789/291.
Odhiambo, H. O. (1989). Nitrogen rates and plucking frequency on tea: The effect of plucking frequency and
nitrogenous fertilizer rates on yield and yield components
of tea in Kenya. Tea-Tea Research Foundation (Kenya).
Semchenko, M., Lepik, M., Götzenberger, L., & Zobel,
K. (2012). Positive effect of shade on plant growth:
amelioration of stress or active regulation of growth
rate? Journal of ecology, 100(2), 459–466. https://doi.org/
10.1111/j.1365-2745.2011.01936.x.
Sheppard, R., & Sheppard, R. I. (1976). Light intensity
effects on redosier dogwood. Song, K. E., Jeon, S. H.,
Shim, D. B., Jun, W. J., Chung, J. W., & Shim, S. (2019).
Strong Solar Irradiance Reduces Growth and Alters Catechins Concentration in Tea Plants over Winter. Journal of Crop Science and Biotechnology, 22(5):475–480.
https://doi.org/10.1007/s12892-019-0215-0.
Song, K. E., Jeon, S. H., Shim, D. B., Jun, W. J., Chung, J.
W., & Shim, S. (2019). Strong Solar Irradiance Reduces
Growth and Alters Catechins Concentration in Tea Plants
over Winter. Journal of Crop Science and Biotechnology, 22(5):475–480. https://doi.org/10.1007/s12892-0190215-0.
Tong, X., Taylor, A. W., Giles, L., Wittert, G. A., & Shi, Z.
(2014). Tea consumption is inversely related to 5-year
blood pressure change among adults in Jiangsu, China:
a cross-sectional study. Nutrition journal, 13(1):98.
https://doi.org/10.1186/1475-2891-13-98.
Wang, Y., Gao, L., Shan, Y., Liu, Y., Tian, Y., & Xia, T.
(2012). Influence of shade on flavonoid biosynthesis in
tea (Camellia sinensis (L.) O. Kuntze). Scientia horticulturae, 141:7–16. https://doi.org/10.1016/j.scienta.2012.
04.013
181
Uwimana, M. A., Wanyoko, J. K., & Owuor, P. O. (2013).
Variation in catechin composition of popularly cultivated
tea clones in East Africa (Kenya). In JKUAT ANNUAL
SCIENTIFIC CONFERENCE PROCEEDINGS: 121–
141. http://hdl.handle.net/123456789/3405.
Chou, C. H., & Waller, G. R. (1980). Possible allelopathic
constituents of Coffea arabica. Journal of chemical ecology, 6(3):643–654. https://doi.org/10.1007/BF00987675
Eden, T. (1976). Tea. Longman Group Limited.
Fernando, C. D., & Soysa, P. (2015). Extraction Kinetics of phytochemicals and antioxidant activity during
black tea (Camellia sinensis L.) brewing. Nutrition
journal, 14(1):74. https://doi.org/10.1186/s12937-0150060-x.
Fu, X., Chen, Y., Mei, X., Katsuno, T., Kobayashi, E., Dong,
F., Naoharu, W.., & Yang, Z. (2015). Regulation of formation of volatile compounds of tea (Camellia sinensis)
leaves by single light wavelength. Scientific reports, 5:
16858. https://doi.org/10.1038/srep16858.
Ghabru, A., & Sud, R. G. (2017). Variations in phenolic constituents of green tea [Camellia sinensis (L) O Kuntze]
due to changes in weather conditions. J Pharmacogn
Phytochem: 1553–1557. E-ISSN: 2278-4136.
Hirai, M.,Yoshikoshi, H., Kitano, M., Wakimizu, K., Sakaida,
T., Yoshioka, T. & Maki, T. (2008, October). Production
of value-added crop of green tea in summer under the
shade screen net: Canopy microenvironments. In International Workshop on Greenhouse Environmental Control
and Crop Production in Semi-Arid Regions 797: 411–417.
https://doi.10.17660/ActaHortic.2008.797.59.
Kerio, L. C., Wachira, F. N., Wanyoko, J. K., & Rotich, M. K.
(2013). Total polyphenols, catechin profiles and antioxidant activity of tea products from purple leaf coloured
tea cultivars. Food chemistry, 136(3–4): 1405–1413.
https://doi.org/10.1016/j.foodchem.2012.09.066.
Kim, Y. S., & Sano, H. (2008). Pathogen resistance of
transgenic tobacco plants producing caffeine. Phytochemistry, 69(4):882–888. https://doi.org/10.1016/j. phytochem.2007.10.021.
Kirakosyan, A., Kaufman, P., Warber, S., Zick, S., Aaronson,
K., Bolling, S., & Chul Chang, S. (2004). Applied environmental stresses to enhance the levels of polyphenolics
in leaves of hawthorn plants. Physiologia plantarum,
121(2):182–186. https://doi.org/10.1111/j.1399-3054.
2004.00332.x
Lee, J. E., Lee, B. J., Chung, J. O., Hwang, J. A., Lee, S. J., Lee,
C. H., & Hong, Y. S. (2010). Geographical and climatic
dependencies of green tea (Camellia sinensis) metabolites: a 1H NMR-based metabolomics study. Journal of
agricultural and food chemistry, 58(19):10582–10589.
https://doi.10.1021/jf102415m.
Lee, L. S., Choi, J. H., Son, N., Kim, S. H., Park, J. D., Jang, D.
J., & Kim, H. J. (2013). Metabolomic analysis of the effect
of shade treatment on the nutritional and sensory qualities
of green tea. Journal of agricultural and food chemistry, 61(2):332–338. https://doi.10.1021/jf304161y.
Liu, G. F., Han, Z. X., Feng, L., Gao, L. P., Gao,
M. J., Gruber, M. Y., & Wei, S. (2017). Metabolic
flux redirection and transcriptomic reprogramming in
the albino tea cultivar ‘Yu-Jin-Xiang’with an emphasis on catechin production. Scientific reports, 7:45062.
https://doi.org/10.1038/srep45062.
Nathanson, J. A. (1984). Caffeine and related methylxanthines: possible naturally occurring pesticides. Science, 226(4671):184–187. https://doi.org/10.1126/
science.6207592.
Nyabundi, K. W., Owuor, P. O., Netondo, G. W., & Bore, J. K.
(2016). Genotype and environment interactions of yields
and yield components of tea (Camellia sinensis) cultivars in Kenya. https://repository.maseno.ac.ke/handle/
123456789/291.
Odhiambo, H. O. (1989). Nitrogen rates and plucking frequency on tea: The effect of plucking frequency and
nitrogenous fertilizer rates on yield and yield components
of tea in Kenya. Tea-Tea Research Foundation (Kenya).
Semchenko, M., Lepik, M., Götzenberger, L., & Zobel,
K. (2012). Positive effect of shade on plant growth:
amelioration of stress or active regulation of growth
rate? Journal of ecology, 100(2), 459–466. https://doi.org/
10.1111/j.1365-2745.2011.01936.x.
Sheppard, R., & Sheppard, R. I. (1976). Light intensity
effects on redosier dogwood. Song, K. E., Jeon, S. H.,
Shim, D. B., Jun, W. J., Chung, J. W., & Shim, S. (2019).
Strong Solar Irradiance Reduces Growth and Alters Catechins Concentration in Tea Plants over Winter. Journal of Crop Science and Biotechnology, 22(5):475–480.
https://doi.org/10.1007/s12892-019-0215-0.
Song, K. E., Jeon, S. H., Shim, D. B., Jun, W. J., Chung, J.
W., & Shim, S. (2019). Strong Solar Irradiance Reduces
Growth and Alters Catechins Concentration in Tea Plants
over Winter. Journal of Crop Science and Biotechnology, 22(5):475–480. https://doi.org/10.1007/s12892-0190215-0.
Tong, X., Taylor, A. W., Giles, L., Wittert, G. A., & Shi, Z.
(2014). Tea consumption is inversely related to 5-year
blood pressure change among adults in Jiangsu, China:
a cross-sectional study. Nutrition journal, 13(1):98.
https://doi.org/10.1186/1475-2891-13-98.
Wang, Y., Gao, L., Shan, Y., Liu, Y., Tian, Y., & Xia, T.
(2012). Influence of shade on flavonoid biosynthesis in
tea (Camellia sinensis (L.) O. Kuntze). Scientia horticulturae, 141:7–16. https://doi.org/10.1016/j.scienta.2012.
04.013
181