Hayashi, N., Ujihara, T., and Kohata, K. (2005). Reduction of catechin astringency by the complexation of gallate-type catechins with pectin. Biosci. Biotechnol. Biochem., 69, 1306-1310.
Hirono, H. and Uesugi, R. (2014). Changes in the content of pectic substances in tea leaves (Camellia sinensis L.) during steam processing of green tea. Food Sci. Technol. Res., 20, 859-865.
Matsuo, H., Hayashi, N., Ujihara, T., Fujita, S., Tastuno, T., Mitarai, M., Gejima, Y., Toyomitsu, Y., Kinoshita, O., and Taniguchi, T. (2012). Astringency of Kamairi-cha and Sen-cha. Nippon Shokuhin Kagaku Kogaku Kaishi. (in Japanese), 59, 6-16.
Okada, F. and Furuya K. (1965). Studies on the viscosity of tea extracts. Part I. Tea Res. J. (in Japanese), 12, 267-273.
Reginald H. W. and Timothy G. T. (1990). Quantitative definition of polysaccharide hydrophilicity. Food Hydrocolloids, 4, 197-203.