Determination of L-theanine, caffeine, tea polyphenols, and palmitic acid in green tea by gas chromatography-tandem triple quadrupole mass spectrometry
GAO Yaohua, DING Tao, SUN Can, LIU Bing, TENG Shuang
Food and Fermentation Industries . 2023, (6): 276 -282 .  DOI: 10.13995/j.cnki.11-1802/ts.032018