“…The yields were 20, 1000, 550, 100, 5, 5, and 35 mg, respectively. Furthermore, column chromatography of the ethyl acetate fraction afforded four compounds including 3,4-dimethoxycinnamic acid (Torres et al, 2003;Nawwar et al, 2009), protocatechuic acid (Yu et al, 2006), fumaric acid (He et al, 2011;Zhang et al, 2010), and uracil (Srivastava and Gupta, 2010). The yields were 5, 30, 15, and 6 mg, respectively.…”