Saito K, Nakamura Y. Roots of Hydroponically Grown Tea (Camellia sinensis) Plants as a Source of a Unique Amino Acid, Theanine. Advances and Trends in Agricultural Sciences Vol. 1 [Internet]. 18Jul.2019 [cited 19Jun.2026];:60-4. Available from: https://stm1.bookpi.org/index.php/atias-v1/article/view/237