Fig. 5

LC-MS analysis of root and stem extracts for elucidation of their major compositions. For root extract, (A) a major compound found at [M-H]⁻ 448.9 m/z and (B) its matched fragmented masses of 3,5,7,3′,5′-pentahydroxyflavanonol-3-O-α-L-rhamnopyranoside. For stem extract, (C) a major compound found at [M-H]⁻ 412.6 m/z and (E) its matched fragmented masses of β-sitosterol together with (D) unmatched fragmented masses of a unknown compound found at [M-H]⁻ 488.5 m/z