Compounds identified by HPLC-MS in U. tuberosus and A. xanthorrhiza

RT (min)m/zCompoundFamilyU. tuberosusA. xanthorrhiza
FlourHuskFlourHusk
4.39341.1Caffeic acid 4-O-glucosideHydroxycinnamic acids++++
5.22353.11-Caffeoylquinic acidHydroxycinnamic acids--++
6.09110.9CatecholOther polyphenols-+--
6.23191.0ScopoletinHydroxycoumarins-+--
18.34380.1Tectorigenin 4’-sulfateFlavonols-+--
19.13382.1Quercetin 3’-sulfateFlavonols--+-
19.56365.1SecoisolariciresinolLignans--+-
20.74359.0LariciresinolLignans-+--
21.01371.2SesamolinolLignans--+-
31.34355.1Ferulic acid 4-O-glucosideMethoxycinnamic acids-+--
32.68755.1Quercetin 3-O-rhamnosyl-rhamnosyl-glucosideFlavonols-+--
34.90739.2Kaempferol 3-O-xylosyl-rutinosideFlavonols++--
35.33371.2SinensetinMethoxyflavones+---
35.78385.25-5’-Dehydrodiferulic acidMethoxycinnamic acid dimers--+-
36.05609.1Quercetin 3-O-rutinosideFlavonols-+--
38.10453.2d-ViniferinStilbene dimers---+
40.95341.1TetramethylscutellareinMethoxyflavones--+-
41.24329.33,7-DimethylquercetinMethoxyflavonols++++
46.57325.3p-Coumaroyl glucoseHydroxycinnamic acids++++
48.41325.1Feruloyl tartaric acidMethoxycinnamic acids+---
49.86325.2p-Coumaric acid 4-O-glucosideHydroxycinnamic acids+---
51.81327.2p-Coumaroyl tyrosineHydroxycinnamic acids-+--
53.96311.3Caffeoyl tartaric acidHydroxycinnamic acids--+-

Ratio of solid/liquid (1:14, absolute ethanol 50% and water 50%). RT: retention time; HPLC-MS: liquid chromatography-mass spectrometry. +: presence; -: absence