HPLC/MS-MS Identification of Oak Quercus aegilops Root Tannins

Table 4

(m/z) compound voltage dependent parameters detected.

Rtmin	Parent Q1 (m/z)	Compound	Daughter Q3
6.18	867.6	Ellagic acid pentoside dimer	434.5, 301
11.52	447.4	Quercitrin	315.4, 153.4
15.94	545.3	Afzelechin	528, 483.7
17.46	473.3	Valoneic acid	448.7, 316.5, 301.6
19.2	934	Trigalloyl-glucose	626.5
15.62	595.5	Unknown	No fractions
15.55	1083	Unknown	No fractions