ライフサイエンスコーパス: HPLC

1 HPLC analysis indicated presence of substantial amount o

2 HPLC chromatograms of the expected [M-H](-) ion and UV a

3 HPLC fingerprint analysis combined with chemometrics was

4 HPLC methods were used to confirm that PVPP does not int

5 HPLC showed the highest concentration of each ANC in ste

6 HPLC with fluorescence and variable wavelength detectors

7 HPLC-based activity profiling in combination with spectr

8 HPLC-DAD analysis detects a total of 10 polyphenolic com

9 HPLC-DAD provided suitable linearity, precision and accu

10 HPLC-DAD was employed to evaluate the extraction paramet

11 HPLC-ESI-ITMS/MS results highly correlated with those ob

12 HPLC-ESI-Q-TOF allowed the detection of 25 different raw

13 HPLC-ICPMS analysis for cobalt (Co) and Cbl gave detecti

14 HPLC-MS analysis showed that AMC contain five compounds

15 HPLC-UV chromatographic data was further treated by part

16 HPLC-UV was applied to the analysis and characterization

17 HPLC/ELSD method does not require each and every pure st

18 HPLC/ELSD methods yield a saponin fingerprints specific

19 HPLC/ELSD technique is an accurate and reliable method t

20 HPLC/MS analysis of the methanol extract showed the pres

21 Herein, a HPLC-MS based protocol was developed to determine inhibi

22 In addition, HPLC-DAD was adequate for determining the three foremost

23 An HPLC method is described using normal phase conditions w

24 An HPLC-DAD-ESI-MS method was developed to investigate the

25 parison of the ISO 3632 (2011) method and an HPLC-DAD method for safranal quantity determination in s

26 The aim of this study was to develop an HPLC-ELSD method for the quantification of lactulose in

27 A possible solution is to use an HPLC coupled to a droplet generating microfluidic device

28 Therefore, we validated an HPLC-MS/MS method to detect 29 antimicrobials from eight

29 live cells or in mouse tissues, whereupon an HPLC assay enabled detection and quantification of NBD C

30 Chromatographic analysis (HPLC-DAD/ESI-MS) of blue maize extracts showed the prese

31 ompounds was examined by microplate-ABTS and HPLC-ABTS, using similar experimental conditions.

32 pers were measured using microplate-ABTS and HPLC-ABTS.

33 corresponding to polyphenolic peak areas and HPLC-UV chromatographic fingerprints were then analyzed

34 rk compares three different ELISA assays and HPLC-ESI-ITMS/MS for the analysis of CML in several food

35 ame samples were characterized by CIELAB and HPLC-DAD analyses.

36 d phenolics (measured by Folin Ciocalteu and HPLC-DAD-ESI/MS(n)) at harvest and during storage for 21

37 hemistry was assigned by crystallography and HPLC for both product manifolds.

38 by confocal microscopy, flow cytometry, and HPLC.

39 ationship between CM determined by ELISA and HPLC-ESI-ITMS/MS and therefore supports the implementati

40 l and tocols included solvent extraction and HPLC.

41 e of two chromatographic methods (GC-FID and HPLC-RID) for the quantification of carbohydrates presen

42 ts extracts were characterized by GC-FID and HPLC-UV.

43 omposition by spectrophotometric methods and HPLC-DAD analysis and the in vitro antioxidant activity

44 re determined in all materials by ICP-MS and HPLC-ICP-MS, respectively.

45 is of flavonoids combining sensitive NMR and HPLC experiments.

46 ial addition product (6) observed in NMR and HPLC-MS experimental analysis is postulated by us as an

47 In this study, NMR and HPLC-UV analyses were performed on flaxseeds harvested a

48 lyphenols were identified using HPLC-PDA and HPLC-ESI-MS(n) analyses.

49 analysed for total flavonoids, phenolics and HPLC profile in both free and bound phenolic fractions.

50 d based on ion-exchange preconcentration and HPLC/mass spectrometry to measure arsenobetaine in seawa

51 ork, a combination of spectrophotometric and HPLC-DAD methods was used to analyse the phenolic compos

52 ounds was performed by spectrophotometry and HPLC analysis.

53 bling of d-glucose mutarotation velocity and HPLC analyses of d-fructose formation during thermal tre

54 the safranal content obtained by UV-vis and HPLC-DAD.

55 ds for tumor-targeting drug analysis such as HPLC and LC-MS.

56 hed qualities, conventional analyses such as HPLC-DAD or LC-MS lose valuable information on metabolit

57 2,2'-diphenyl-1-picrylhydrazyl (DPPH) assay (HPLC-DPPH).

58 magnetic resonance spectroscopy (HR-bioassay/HPLC-HRMS-SPE-NMR).

59 PCA score plot based on both HPLC and UV spectroscopy showed the same discriminatory

60 tent of the resulting wines were analysed by HPLC-fluorescence and UPLC-MS/MS, respectively.

61 lowing for easy purification for analysis by HPLC and mass spectrometry (MS).

62 Analysis by HPLC revealed 6 major anthocyanins, among which 3, 5-dig

63 nds were separated from wine and analyzed by HPLC combined with DAD and QTOF mass spectrometer.

64 ed dithiocarbamates are directly analyzed by HPLC coupled with diode array detector and mass spectrom

65 Monoamines are analyzed by HPLC with coulometric electrochemical detection (ED), pt

66 ical detection (ED), pterins are analyzed by HPLC with coupled coulometric electrochemical and fluore

67 uorescence detection, and PLP is analyzed by HPLC with fluorescence detection.

68 Aqueous supernatants were analyzed by HPLC-DAD and extractable anthocyanin contents were obtai

69 ic compounds in each extract was analyzed by HPLC.

70 Phenolic content was analyzed by HPLC.

71 y UV-vis according to ISO 3632 (2011) and by HPLC-DAD.

72 erivascular to jugular vein were assessed by HPLC/MS/MS, and retention of the fat depot was monitored

73 parative chromatography and characterised by HPLC-MS/MS.

74 to AOAC and AOCS, the bioactive compounds by HPLC, the volatiles by GCMS and the antioxidant activity

75 erial photopigments, which were confirmed by HPLC-analysis.

76 nd total catechin and theaflavin contents by HPLC and the total antioxidant capacity by Oxygen Radica

77 nd 2015 were evaluated for tocol contents by HPLC-FD.

78 tents in fresh hypanthium were determined by HPLC-DAD.

79 Carotenoids were determined by HPLC-PDA-MS (APCI(+)), using a reverse phase C30 column.

80 nary treatment were clearly distinguished by HPLC-ESI-ITMS/MS, but could not always be detected by EL

81 uence isomers, which can be distinguished by HPLC-MS/MS.

82 rmine their molecular weight distribution by HPLC-SEC for industrial application.

83 with diode array detection, and vitamin E by HPLC with fluorescence detection.

84 ral, were resolved into their enantiomers by HPLC on a chiral phase.

85 stems, leaves and flowers of R. eriocalyx by HPLC, and determined the antioxidant and antimicrobial e

86 oid profiles and concentrations evaluated by HPLC-UV daily during four days of germination.

87 A total of 16 flavonoids by HPLC-MS and 4861 genes exhibited significant differences

88 kGy/min, in the presence of air, followed by HPLC, HPLC-MS, EPR, and UV-VIS spectroscopy analysis of

89 ased on precolumn derivatization followed by HPLC-inductively coupled plasma mass spectrometry (ICPMS

90 od comprises methanol extraction followed by HPLC-MS analysis, and was able to identify 14 fungus sec

91 terols by reversed phase C18-SPE followed by HPLC-MS/MS analysis.

92 carotenoid profile of different genotypes by HPLC-DAD-MS(n).

93 quantitation of seven markers in guarana by HPLC-PDA was developed, and extraction methods for the d

94 noids were found only in PS as identified by HPLC-DAD-ESI-MS(n).

95 vatives and 4 betacyanins were identified by HPLC-DAD-ESI/MS(n), 23 and 15 new compounds being descri

96 edominant compounds which were identified by HPLC-PDA-ESI/MS(n) as the biflavonoids morelloflavone, G

97 d calyx of ripe fruits) were investigated by HPLC-DAD-APCI-MS(n).

98 weet potato provenances were investigated by HPLC-DAD-MS(n).

99 in both commercial apple and pear juices by HPLC-PDA, were isolated chromatographically, and structu

100 identification of fungal chemical markers by HPLC-MS, was developed.

101 Antioxidant metabolites were measured by HPLC-DAD-MS/MS in mature fruits and their biological act

102 ere identified in anthocyanin measurement by HPLC with different ranges.

103 ecies at low concentrations in human milk by HPLC/ICPMS.

104 The isomerization reaction was monitored by HPLC and found to be pH dependent with a transition pH =

105 ids to oxidative disappearance (monitored by HPLC-DAD) and that of the mixtures to retain their antio

106 action time was performed with monitoring by HPLC.

107 A method for 18 phenolic monomers by HPLC-DAD was developed, validated, and applied to sample

108 cted values fitted well to those obtained by HPLC.

109 ant differences with the results obtained by HPLC.

110 We analyzed five commercial olive oils by HPLC-DAD-TOF/MS to evaluate their lignan content and det

111 noids were detected as enzymatic products by HPLC, and the identities were confirmed by LC-MS.

112 ses used were betacyanins quantification (by HPLC-PDA-MS/ESI and spectrophotometric analysis), the ex

113 alpha- and beta-carotene, were quantified by HPLC-DAD-MS in fourteen genotypes of wheat, barley and t

114 ols and 2 methylxanthines were quantified by HPLC-DAD.

115 compounds were identified and quantified by HPLC-mass spectrometry.

116 ols and their metabolites were quantified by HPLC-MS/MS in plasma before and at 2, 4, 7, 24, and 48h

117 This molecule was quantified by HPLC-UV, evidencing a content of 13.5-36.4mg/fruit.

118 Drug release from fat was quantified by HPLC/MS/MS, and adiponectin and monocyte chemotactic pro

119 e nature of the substitution, as revealed by HPLC analysis of the crude mixture.

120 N-acetyl-l-cysteine (NAC) and separation by HPLC was developed.

121 ing the first characterisation of shellac by HPLC-ESI-Q-ToF and an atlas of MS/MS spectra of shellac

122 The polyphenol profile was studied by HPLC-MS.

123 onfirmed; our results have been validated by HPLC with diode-array detection.

124 resolved into its two enantiomers by chiral HPLC, and the absolute configuration was established by

125 phane host can be readily resolved by chiral HPLC, giving an easy access to the enantiopure molecular

126 line high-performance liquid chromatography (HPLC) analysis combined with 2,2'-diphenyl-1-picrylhydra

127 from high performance liquid chromatography (HPLC) analysis indicated high concentrations of folate i

128 with high-performance liquid chromatography (HPLC) and matrix-assisted laser desorption ionization ti

129 High pressure liquid chromatography (HPLC) enabled the compounds to be chromatographically se

130 with high-performance liquid chromatography (HPLC) method coupled with pre-column derivatisation.

131 hase high performance liquid chromatography (HPLC) method was developed to simultaneously quantify se

132 ng a high performance liquid chromatography (HPLC) platform coupled to photo diode array (PDA) and hi

133 uple high-performance liquid chromatography (HPLC) separation and inductively coupled plasma-mass spe

134 sing high-performance liquid chromatography (HPLC) showed that the activity of beta-glucuronidase cou

135 onal high-performance liquid chromatography (HPLC) techniques, nanoflow HPLC exhibits improved sensit

136 High performance liquid chromatography (HPLC) was employed for the measurements.

137 y of high-performance liquid chromatography (HPLC) with charged aerosol detection (CAD) was investiga

138 High Performance Liquid Chromatography (HPLC) with diode array (DAD) and fluorescence (FLD) dete

139 d by high-performance liquid chromatography (HPLC) with diode array detection, and vitamin E by HPLC

140 and high performance liquid chromatography (HPLC) with fluorescence detection (FLD).

141 sing high-performance liquid chromatography (HPLC) with photodiode array (DAD), electrochemical (ECD)

142 d by high-performance liquid chromatography (HPLC) with radiodetection, the development of alternativ

143 s by high performance liquid chromatography (HPLC) with visible detection.

144 lot, high performance liquid chromatography (HPLC), spectrophotometry and flow cytometry have been us

145 ough high-performance liquid chromatography (HPLC)-fluorescence detection of BaP-7,8,9,10-tetraols re

146 s of high performance liquid chromatography (HPLC).

147 n or high-performance liquid chromatography (HPLC).

148 sing high-performance-liquid chromatography (HPLC).

149 P by high-performance liquid chromatography (HPLC).

150 d by high performance liquid chromatography (HPLC).

151 tive high-performance liquid-chromatography (HPLC) approaches to determine CSF levels of monoamines a

152 cies was developed that uses chromatography (HPLC-UV) to separate individual thiomolybdates, collecti

153 cal methods (e.g. thin-layer chromatography, HPLC, LC-MS/MS).

154 than 10 ng of sample obtained in a collected HPLC fraction.

155 When connected to a commercial HPLC system and injected with a 10 muL aliquot of 10000

156 onfidence level) to those from a comparative HPLC method.

157 to be reliable using a simple and convenient HPLC setup.

158 stimation was also validated by conventional HPLC analysis.

159 e extract after being separated by a coupled HPLC column.

160 d chromatography with diode-array detection (HPLC-DAD).

161 liquid chromatography-diode array detection (HPLC-DAD).

162 matography coupled to diode array detection (HPLC-DAD).

163 hich is HPLC with electrochemical detection (HPLC-ECD).

164 liquid chromatography-ultraviolet detection (HPLC-UV).

165 tography, coupled to a diode array detector (HPLC-DAD) and a mass spectrometer (UPLC-MS), was used to

166 id chromatography with ultraviolet detector (HPLC-UV) for the extraction and determination of organos

167 their broad range of polarity, we developed HPLC and UHPLC methods (H2O/MeOH/MeCN/HCOOH) which we ap

168 milk, without the need for gradient elution HPLC conditions.

169 n the chemical composition of leaf employing HPLC-DAD.

170 ters on its formation were studied employing HPLC-DAD.

171 uted, have been resolved by enantioselective HPLC, and their ECD spectra have been recorded online by

172 By enantioselective HPLC, we solved the racemic mixture and ascertained that

173 ghly sensitive online solid phase extraction-HPLC-Orbitrap method.

174 reen tea infusions were monitored using fast HPLC/MS separation.

175 ilized as a simple and rapid alternative for HPLC.

176 LC-MS/GC-MS and retinol concentration (from HPLC) using linear regression that estimated the differe

177 Results from HPLC-DAD analysis clearly showed that native structures

178 f nutritional interest, determined using GC, HPLC and tandem mass spectrometry.

179 The chip-integration of gradient HPLC, fractionation, detection and post column addition

180 Here, we performed activity-guided HPLC-fractionation of SBE, identified the active ingredi

181 Subsequently, a HILIC-HPLC-ELSD method for the analysis of such compounds with

182 Through HILIC-HPLC-MS, it was shown that simple sugars, amino acids, a

183 n, in the presence of air, followed by HPLC, HPLC-MS, EPR, and UV-VIS spectroscopy analysis of the re

184 sed on immobilized artificial membranes (IAM-HPLC) and with quantum-chemistry based calculations with

185 The SSLM data suggest that IAM-HPLC underestimates the DMW of ionized primary and secon

186 tural crude extract after being separated in HPLC using microfluidic droplets online and represents a

187 h the multiple structural analyses including HPLC, IR and NMR.

188 s were analyzed using a stability indicating HPLC analytical method.

189 neuromodulator, the most common of which is HPLC with electrochemical detection (HPLC-ECD).

190 ied to the UVRR spectra, as well as off-line HPLC measurements, to enable absolute quantification of

191 phic fingerprints (obtained from an off-line HPLC-GC-FID system) for the quantification of extra virg

192 ing the requirement for comparative off-line HPLC.

193 l cells using combined laser microdissection/HPLC-ESI-MS analysis.

194 ion for the analysis of different molecules, HPLC calibration and analysis, and data quantification a

195 quid chromatography coupled with DAD and MS (HPLC-DAD-MS).

196 s ethanol and analyzed with UPLC-DAD-ESI-MS, HPLC-DAD, and NMR.

197 antibody-based affinity enrichment and nano-HPLC/MS/MS analyses of 2-hydroxyisobutyrylation peptides

198 However, nanoflow HPLC suffers from low throughput due to instrument failu

199 To increase the robustness of nanoflow HPLC, we have developed and tested a trapping column exc

200 d chromatography (HPLC) techniques, nanoflow HPLC exhibits improved sensitivity and limits of detecti

201 The aim of this work was to set up a new HPLC-DAD method for simultaneously analysing 14 polyphen

202 y synthesized and characterized by (1)H NMR, HPLC-MS and FTIR.

203 The present work describes a novel HPLC and UV-spectrophotometric method for the simultaneo

204 r Cell, Malek et al. (2017) describe a novel HPLC-MS method permitting separation of PI(3,4)P2 and PI

205 An NP-HPLC-online-DPPH assay was developed for separating the

206 We use a combination of HPLC and sensitive NMR experiments (1D-proton, 2D-HSQC)

207 ompounds were identified by a combination of HPLC-PDA, LC-high resolution MS (LC-HRMS), LC-tandem MS

208 he first time, and characterized by means of HPLC-ESI-MS data.

209 squares regression with reference values of HPLC.

210 its (based on 3sigma) of the proposed online HPLC/nanocomposite-coated microfluidic-based PCARD/ICPMS

211 action and derivatization ending in GC/MS or HPLC analysis, which minimize its use as an on-line or a

212 This work outlines HPLC coupled with DAD detection for accurate quantificat

213 atization preceded analysis by reverse phase HPLC with fluorescence.

214 salivary gland homogenates by reverse-phase HPLC and identified by mass spectrometry as a small (13.

215 ese proteins were separated by reverse-phase HPLC to give 28 fractions.

216 romatography for homogeneity, reversed-phase HPLC for purity (99%), peptide digest LC-MS/MS for seque

217 erivatives were separated via reversed-phase HPLC with gradient elution.

218 high-performance liquid chromatography (Prep-HPLC).

219 fect on BAT was assessed by histology, qPCR, HPLC, LC/MS and measures of core body temperature.

220 d their degradation compounds were regularly HPLC-DAD-analyzed.

221 penicillins, which were analysed using an RP-HPLC method, validated according to the European Decisio

222 otential, FIV and FV were fractionated by RP-HPLC and then analyzed by LC-MS/MS to identify peptide s

223 Proteins separated by RP-HPLC have potential inhibitory and antioxidant activitie

224 idant activities of proteins separated by RP-HPLC were observed in glutein-2 and albumin, respectivel

225 tamin B12 concentration was determined by RP-HPLC with UV detection, after prior matrix isolation by

226 n of CA down to 0.2%, w/w was achieved by RP-HPLC-DAD using aqueous acetonitrile elution solvent (pH=

227 and reversed-phase liquid chromatography (RP-HPLC) using a new spiked gradient profile is presented.

228 e high-performance liquid chromatography (RP-HPLC), using a new column of faster resolution was valid

229 d to a much higher precision than current RP-HPLC models.

230 No peaks appeared in RP-HPLC chromatograms of globulin for either species.

231 igh-performance liquid chromatography (IP-RP-HPLC) and detected by UV spectroscopy as well as Orbitra

232 digestion fragments in bulk by SDS-PAGE, RP-HPLC, and MALDI-TOF proves that the previous pepsin expo

233 the determination of furosine by ion-pair RP-HPLC-UV.

234 wo predominant peaks were observed in the RP-HPLC profiles of all protein fractions.

235 Similar to RP-HPLC prediction studies, we anticipate future developmen

236 These results were also confirmed by SE-HPLC technique, where a significant increase in the cont

237 efined freedom of aggregates measured by SEC-HPLC) and bioactivity (defined by TF-1 cell proliferatio

238 A sensitive HPLC-MS/MS method for the simultaneous detection of micr

239 A sensitive HPLC-MS/MS-method for the detection of microbial transgl

240 A rapid and sensitive HPLC-APCI-MS/MS method for the determination of choleste

241 analytical procedure based on an on-line SPE-HPLC-MS/MS method for the automatic pre-concentration, c

242 The results demonstrate that MSDP-SPE-HPLC/FLD method provides reliable, sensitive, accurate a

243 silica sorbent and then the on-line MSPD-SPE-HPLC/FLD method was applied.

244 An online SPE-HPLC-MS/MS was used to measure 10 long-chain PFASs in se

245 nce assignments, expansions of HSQC-spectra, HPLC parameters (retention time, relative retention fact

246 iode array detector and a mass spectrometer (HPLC-DAD-ESI/MS).

247 generation atomic fluorescence spectrometry (HPLC-UV/HG-AFS) after microwave assisted extraction (MAE

248 spray ionization/ion trap mass spectrometry (HPLC-DAD-ESI/MS(n)).

249 e array detection- tandem mass spectrometry (HPLC-DAD-MS/MS) identified 29 phenolics belonging to phe

250 rospray ionization-tandem mass spectrometry (HPLC-ESI-MS/MS) are commonly employed for ascaroside det

251 nductively coupled plasma mass spectrometry (HPLC-ICP-MS), and percent arsenic species [iAs, monometh

252 nductively coupled plasma-mass spectrometry (HPLC-ICP-MS).

253 nce liquid chromatography-mass spectrometry (HPLC-MS) assay and microarray study were conducted on tr

254 uid chromatography-tandem mass spectrometry (HPLC-MS/MS) in urine samples collected during gestationa

255 uid chromatography-tandem mass spectrometry (HPLC-MS/MS) method with multiple reaction monitoring (MR

256 etection and electrospray-mass spectrometry (HPLC/DAD/ESI-MS); nineteen different phenolic compounds

257 nductively coupled plasma mass-spectrometry (HPLC-ICP-MS) analysis of mouse blood plasma and urine po

258 Time-dependent UV-vis spectroscopy, HPLC, and molecular mechanics analyses revealed an atypi

259 Results obtained showed that HPLC-ABTS method can be used for a rapid determination o

260 The HPLC analysis showed that carotenoid contents varied bet

261 The HPLC analysis showed that the most relevant increase in

262 The HPLC separation was achieved on Hibar C18 column (250x4.

263 The HPLC-DAD method revealed that, out of 13BPs, only six ar

264 The HPLC-DAD-MS/MS method was applied to freshly extracted c

265 The HPLC-DAD/ESI-MS profiles allowed the tentative identific

266 The HPLC-ESI-MS/MS analysis of the fractions enriched in phe

267 The HPLC-MS analysis showed that quercetin-3-glucoside was t

268 The HPLC-UV analysis results revealed the applicability of M

269 Additionally, the HPLC-PDA profile of pear juices in combination with pear

270 We developed a multiclass method for the HPLC-MS/MS analysis of 29 antimicrobials, validated acco

271 es, separated analyte bands eluting from the HPLC column are fractionated into numerous droplets in a

272 e active trapping column and the rest of the HPLC system.

273 The compartmentalization of the HPLC-eluate in a segmented flow was performed with dropl

274 ther optimization and online-coupling of the HPLC-MC-ICPMS approach for determination of low concentr

275 nadequacy of the enzymatic assays and of the HPLC-RI method to analyse lactose-free milk.

276 Therefore, HPLC-DAD might be preferable to UV-vis for determining t

277 UV, FT-IR, (1)H NMR in addition to HPLC were applied to construct a metabolic fingerprint f

278 bioavailability values (5.1%) comparable to HPLC analysis (4.8%).

279 e mycotoxins from aqueous samples coupled to HPLC with fluorescence (lambdaex=258nm; lambdaem=440nm)

280 isted extraction mediated by LGH-15 prior to HPLC-DAD allows the determination of 14 phenols in onion

281 Fractions were subjected to HPLC/ESI-MS/MS and (1)H NMR analysis.

282 Using HPLC-RP, was seen to form a 1:1 complex with all the CDs

283 s and volatile compounds were analyzed using HPLC and GC-MS.

284 - WEs) of natural waxes were analyzed using HPLC-ELSD and GC-MS followed by evaluation of their oil

285 ation of these polyphenols was done by using HPLC, analysing ferulic acid and cinnamic acid.

286 ns (12) were tentatively characterized using HPLC-DAD-ESI-MS(n).

287 nd anthocyanins as authentic compounds using HPLC methods.

288 uality categories and safranal content using HPLC-DAD.

289 ification and quantification were done using HPLC-DAD and LC-MS/MS.

290 SP-derived polyphenols were identified using HPLC-PDA and HPLC-ESI-MS(n) analyses.

291 rent varieties of raw and roasted nuts using HPLC (fluorescence/UV-vis detection).

292 irst time characterized and quantified using HPLC-ESI-MS/MS.

293 products were monitored and quantified using HPLC-MS and DAD.

294 ed during different stages of ripening using HPLC and correlated with acrylamide formation.

295 omerisation of vitamin D3 were studied using HPLC-DAD and UHPLC-MS/MS.

296 -carotene, lutein, and total carotenoids via HPLC.

297 y comparable and in very good agreement with HPLC results, with an average <9% difference in predicti

298 samples, and the results were compared with HPLC coupled with pre-column derivatization.

299 reduction in acquisition time compared with HPLC.

300 The pigments were isolated with HPLC, followed by MS analysis.