Identification of the major drivers of 'phenolic' taste in ... - GWRDC

RT
(min)
AWRI: Identification Of The Major Drivers Of ‘Phenolic’ Taste In White Wines
114
[M-H] ‒
(mDa)
Molecular
Formula
Product ions (m/z) Proposed compounds Reference
65.1 325.0559 -0.6 C14H14O9 193.051, 149.061, 134.037 Fertaric acid
66.3 389.1229 -1.3 C20H22O8 269.081, 241.086 Resveratrol--C- glucoside 11
66.4 197.0454 -0.1 C9H10O5 169.015, 162.840, 160.842, 125.024 Gallic acid ethyl ester
68.0 389.1230 -1.2 C20H22O8
Resveratrol-glucoside
73.6 366.1183 0.0 C17H21NO8 201.067, 186.056, 142.066 Indolelactic acid glucoside
76.9 167.0355 0.5 C8H8O4
78.3 465.1019 -0.9 C21H22O12
79.7 577.1326 -1.5 C30H26O12
Protocatechuric acid methyl ester
Dihydroquercetin glucoside
Procyanidin dimer
Fragment ions are
reasonable
82.0 521.1999 -1.8 C26H34O11 359.148 Lignan 26, 28 or 30a 3
84.2 644.1383 -1.4 C25H31N3O15S
84.7 403.1593 -0.57 C18H28O10 241.108, 197.118 Unknown (glucoside)
85.4 303.0512 0.2 C15H12O7
85.8 465.1014 -1.4 C21H22O12
86.5 435.0928 0.6 C20H20O11
86.4 644.1380 -1.7 C25H31N3O15S
87.7 521.2002 -1.5 C26H34O11
285.0471, 178.999, 177.021, 151.003, 153.01925,
125.024
303.050, 285.039, 259.060, 178.999, 151.004,
125.023
303.049, 285.039, 241.050, 178.997, 151.004,
125.023
466.090, 371.041, 272.087, 211.006, 192.996,
177.040
2-S-Glutathionylcaftaric acid ethyl ester 8
Dihydroquercetin
Dihydroquercetin glucoside 3
Dihydroquercetin Xyloside 3
2-S-Glutathionylcaftaric acid (ethyl
tartarate)
Lignan 26, 28 or 30a
87.8 389.1236 -0.6 C20H22O8 227.071 Resveratrol-O-glucoside 5,6
88.7 479.0809 -1.1 C21H20O13
89.0 493.0632 1.9 C21H18O14
89.8 181.0519 1.3 C9H10O4 153.020, 152.012,109.029, 108.021
Myricetin glucoside
Myricetin glucuronide
Gentistic acid/Protocatechuric acid
ethyl ester
8