TABLE 3.

MRRFs based on benzoic acid: group 1 flavan-3-ols¹

	Reference
Compound	40 (280 nm)	41 (270 nm)	32 (278 nm)
Catechin	1.00	0.58	1.00*
Epicatechin	1.03	1.00	0.97*
Gallocatechin	0.29	—	0.31
Epigallocatechin	0.24	0.47	0.29*
Catechin gallate	4.70	—	3.91
Epicatechin gallate	3.94	—	3.74*
Gallocatechin gallate	3.56	2.55	3.41
Epigallocatechin gallate	2.66	2.77	3.14*
Gallic acid	—	2.6	2.80*
Procyanidin A2	—	—	2.00
Procyanidin B1	—	—	2.00
Procyanidin B2	—	—	2.00
Procyanidin C1	—	—	3.00*
Theaflavin	—	—	5.34*
Theaflavin-3-O-gallate	—	—	8.14*

¹Parenthetical values for references are wavelengths at which measurements were made. *MRRF based on dried standards. MRRF, molar relative response factor. Adapted from reference 38 with permission.