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Analysis of Theanine and Catechins in Hairy Roots of Camellia sinensis
ZHANG Guang-hui, LIANG Yue-rong, LU Jian-liang, DONG Jun-jie
Journal of Tea Science . 2006, (4): 305 -309 .  DOI: 10.13305/j.cnki.jts.2006.04.014