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Study on Separation and Concentration of Theanine in De-catechined Tea Extracts by Membrane System
XIAO Li-zheng, XIAO Wen-jun, GONG Zhi-hua, WANG Wei, LIU Zhong-hua
Journal of Tea Science . 2006, (1): 37 -41 .  DOI: 10.13305/j.cnki.jts.2006.01.006