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

AWRI: Identification Of The Major Drivers Of ‘Phenolic’ Taste In White Wines
Table A-2: Chromatographic and spectral characteristics of pure reference phenolic compounds
analysed by HPLC-DAD (listed by elution order on C6-Phenyl column)
Compound name Phenolic group RT (min)
109
max
v = valley, sh = shoulder,
bln=baseline end
Response
factor
Gallic acid Benzoic acid 12.26 271, 325bln 1.15E-02
p-Hydroxybenzoic acid Benzoic acid 32.90 256, 241v, 293bln 1.48E-02
Tyrosol Benzoic acid 33.84 276, 243v, 295bln 2.90E-02
Gentisic acid Benzoic acid 36.50 328, 268v, 375bln 2.24E-02
Caftaric acid Hydroxycinnamic acid 39.40 328, 296sh, 264v, 386bln 1.36E-02
Catechin Flavanol 45.65 279, 251v, 301bln 4.28E-02
Vanillic acid Benzoic acid 48.60 260, 292, 281v, 320bln 1.30E-02
Caffeic acid Hydroxycinnamic acid 49.18 323, 295sh, 263v, 379bln 5.82E-03
Chlorogenic acid Hydroxycinnamic acid 57.02 325, 301sh, 269v, 382bln 1.21E-02
Syringic acid Benzoic acid 61.00 274, 241v, 323bln 7.37E-03
Procyanidin B2 dimer Flavanol 62.40 279, 255v, 298bln 1.29E-01
Epicatechin Flavanol 66.10 278, 251v, 301bln 5.58E-02
Ethyl gallate Benzoic acid 66.57 272, 240v, 325bln 9.67E-03
p-Coumaric acid Hydroxycinnamic acid 69.23 310, 248v, 362bln 4.57E-03
EGC Flavanol 72.19 274, 248v, 327bln 3.27E-01
EGCG Flavanol 72.74 274, 248v, 335bln 4.97E-02
Ferulic acid Hydroxycinnamic acid 84.04 323, 296sh, 261v, 377bln 2.93E-03
Dihydroquercetin Flavononol 87.40 289, 250v 1.23E-02
Sinapic acid Hydroxycinnamic acid 89.00 324, 263v, 380bln 5.89E-03
ECG Flavanol 90.11 278, 246v, 328bln 2.12E-02
Protocatachuic acid ethyl ester Benzoic acid 91.81 261, 295, 281v, 324bln 1.38E-02
Q-3-galactoside Flavonol 96.08 256, 357, 301sh, 281v, 400bln 1.19E-02
Q-3-glucoside Flavonol 96.45 256, 356, 307sh, 282v, 400bln 2.93E-02
Quercetin-O-3-rutinoside Flavonol 96.50 256, 356, 304sh, 282v, 400bln 1.62E-02
Q-3-glucuronide Flavonol 96.60 256, 356, 304sh, 282v, 400bln 2.04E-02
Resveratrol Stilbene 97.45 306+318, 256v, 356bln 1.07E-02
Naringin Flavone 98.23 284,330sh, 245v, 374bln 1.51E-02
myricetin Flavonol 98.51 374, 254, 310sh, 286v, 405bln 1.88E-02
Fisetin Flavonol 99.71 361, 249, 326sh, 280v, 400bln 5.19E-02
Syringetin-O-3-glucoside Flavonol 99.85 253, 359, 311sh, 284v, 400bln 1.21E-02
Caffeic acid ethyl ester Hydroxycinnamic acid 101.11 327, 302sh, 264v, 380bln 2.44E-03
Quercetin (dihydrate) Flavonol 103.20 372, 255, 313sh, 285v, 405bln 3.61E-03
Laricitrin Flavonol 104.09 375, 253, 206sh, 286v, 407bln 2.97E-03
Luteolin Flavone 104.81 350, 254, 282v, 400bln 5.88E-03
Naringenin Flavone 105.07 290, 330sh, 249v, 370bln 7.15E-03
Ferulic acid ethyl ester Hydroxycinnamic acid 106.37 325, 299sh, 263, 376bln 4.79E-03
Kaempferol Flavonol 106.78 367, 265, 322sh,282v, 400bln 6.98E-03
Syringetin Flavonol 107.11 375, 253, 308sh, 286v, 408bln 4.35E-03
Isorhamnetin Flavonol 107.61 371, 255, 286v, 410bln 6.49E-02
Apigenin Flavone 107.84 339, 267, 281v, 397bln 3.64E-03