Table 1 The HPLC–MS/MS data of phenolic compounds from LCDE.

1

C₁₆H₂₂O₉

Sweroside

245

359

197 (C₁₀H₁₂O₄) [M + H-C₆H₁₀O₅]⁺

169 (C₉H₁₂O₃) [M + H-C₆H₁₀O₅-CO]⁺

127 (C₇H₁₀O₂) [M + H-C₇H₁₀O₇-C₂H₂]⁺

2

C₂₁H₂₂O₉

Isoliquiritin

370, 235

419

257 (C₁₅H₁₂O₄) [M + H-C₆H₁₀O₅]⁺

3

C₁₆H₁₄O₄

Cardamonin

340

271

193 (C₁₀H₈O₄) [M + H-C₆H₆]⁺

179 (C₉H₆O₄) [M + H-C₆H₆-CH₂]⁺

151 (C₈H₆O₃) [M + H-C₇H₈-CO]⁺

4

C₁₇H₂₀N₄O₆

Riboflavin

440, 365

377

257 (C₁₃H₁₂N₄O₂) [M + H-C₄H₈O₄]⁺

243 (C₁₂H₁₀N₄O₂) [M + H-C₅H₁₀O₄]⁺

214 (C₁₂H₁₁N₃O) [M + H-C₄H₈O₄-HNCO]⁺

5

C₂₁H₂₄O₆

Arctigenin

280, 230

373

237 (C₁₄H₁₆O₄) [M + H-C₈H₈O₂]⁺

137 (C₈H₈O₂) [M + H-C₁₃H₁₆O₄]⁺