. 2021 Nov 25;4:840–851. doi: 10.1016/j.crfs.2021.11.008

Table 1.

Liquid chromatography and mass spectral characteristics of SBP.

Compound	[M+H]⁺ (m/z)	MS/MS	Formula	Identification
C1	443.11	333, 291, 273, 247, 171	C₂₂H₁₈O₁₀	(−)-epicatechin gallate
C2	579.15	453, 427, 409, 292, 289, 247	C₃₀H₂₆O₁₂	procyanidin B
C3	595.16	469, 443, 425, 409, 307	C₃₀H₂₆O₁₃	(+)-gallocatechin-(+)-catechin
C4	611.14	593, 485, 443, 425, 307, 303	C₃₀H₂₆O₁₄	(+)-gallocatechin dimer