Tsuji 2010

ID57
TitleTwenty-four-hour urinary water-soluble vitamin levels correlate with their intakes in free-living Japanese university students
AuthorsTsuji, T.; Fukuwatari, T.; Sasaki, S.; Shibata, K.
Year2010
JournalEur J Clin Nutr
Volume64
Issue8
Pages800-807
PubMed ID20502474
DOI10.1038/ejcn.2010.72

Subjects

IDParent IDDepthSubject groupPopulationCountryCountry codeEthnicityCohortHealth conditionSmoker proportionSupplement users excluded?GenderFemale proportionSizeAge meanAge SDAge minAge maxAge medianHeight meanHeight SDHeight minHeight maxHeight medianWeight meanWeight SDWeight minWeight maxWeight medianBMI meanBMI SDBMI minBMI maxBMI median
2000AllUniversity studentsJapanJPHealthyYesFemale + Male83.015620.22.318.027.0160.46.753.77.520.82.2

Biomarker concentration values

IDParent IDDepthSubject groupPopulationCountryCountry codeCohortTime definitionBiospecimenAnalytical methodBiomarkerBiomarker detailMeasurement sizeDetected (nb)Detected (%)Detected only?Arithmethic meanArithmethic SDGeometric meanGeometric SDMinMin (detected)Percentile_05Percentile_10Percentile_25MedianPercentile_75Percentile_90Percentile_95MaxInterquartile rangeMean 95% CI lowerMean 95% CI upperGMean 95% CI lowerGMean 95% CI upperUnitConverted arithmetic meanConverted geometric meanConverted medianAdjustment typeAdjusted onRegressed onExpressed as
13130AllUniversity studentsJapanJPbaselineUrine, 24-hHPLCThiamin1480.4250.286umol/day0.4 umol/dayCrude
13140AllUniversity studentsJapanJPbaselineUrine, 24-hHPLCRiboflavin1480.3820.312umol/day0.4 umol/dayCrude
13150AllUniversity studentsJapanJPbaselineUrine, 24-hHPLC4-Pyridoxic acid1483.681.31umol/day3.7 umol/dayCrude
13160AllUniversity studentsJapanJPbaselineUrine, 24-hMicrobioassay (Lactobacillus leichmanii)Vitamin B121480.0280.018nmol/day0.0 umol/dayCrude
13180AllUniversity studentsJapanJPbaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
14884.528.1umol/day84.5 umol/dayCrude
13190AllUniversity studentsJapanJPbaselineUrine, 24-hMicrobioassay (Lactobacillus plantarum)Pantothenic acid14816.55.2umol/day16.5 umol/dayCrude
13200AllUniversity studentsJapanJPbaselineUrine, 24-hMicrobioassay (Lactobacillus casei)Folates14823.18.8nmol/day0.0 umol/dayCrude
13210AllUniversity studentsJapanJPbaselineUrine, 24-hHPLCAscorbic acid metabolites2,3-Diketogulonic acid
Ascorbic acid
L-Dehydroascorbic acid
148139.0131.0umol/day139.0 umol/dayCrude

Intake values

IDParent IDDepthSubject groupPopulationCountryCountry codeCohortTime definitionIntake toolIntake food coverageIntake time coverageIntake assessmentCompoundCompound detailSupplement intakes included?Measurement sizeDetected (nb)Detected (%)Detected only?Arithmethic meanArithmethic SDGeometric meanGeometric SDMinMin (detected)Percentile_05Percentile_10Percentile_25MedianPercentile_75Percentile_90Percentile_95MaxInterquartile rangeMean 95% CI lowerMean 95% CI upperGMean 95% CI lowerGMean 95% CI upperUnitConverted arithmetic meanConverted geometric meanConverted medianAdjustment typeAdjusted onRegressed onExpressed as
13240AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)ThiaminNo1482.270.92umol/day2.3 umol/dayCrude
13250AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)RiboflavinNo1483.321.09umol/day3.3 umol/dayCrude
13260AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)Vitamin B6No1485.32.15umol/day5.3 umol/dayCrude
13270AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)Vitamin B12No1482.883.42nmol/day0.0 umol/dayCrude
13280AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)NiacinNo14890.839.4umol/day90.8 umol/dayCrude
13290AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No148184.065.0umol/day184.0 umol/dayCrude
13300AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)Pantothenic acidNo14823.68.2umol/day23.6 umol/dayCrude
13310AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)FolatesNo148569.0338.0nmol/day0.6 umol/dayCrude
13320AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)Vitamin CNo148425.0362.0umol/day425.0 umol/dayCrude
13330AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)ThiaminNo1482.461.06umol/day2.5 umol/dayCrude
13340AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)RiboflavinNo1483.471.35umol/day3.5 umol/dayCrude
13350AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)Vitamin B6No1485.622.38umol/day5.6 umol/dayCrude
13360AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)Vitamin B12No1483.593.86nmol/day0.0 umol/dayCrude
13370AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)NiacinNo14896.545.7umol/day96.5 umol/dayCrude
13380AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No148191.070.0umol/day191.0 umol/dayCrude
13390AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)Pantothenic acidNo14823.98.5umol/day23.9 umol/dayCrude
13400AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)FolatesNo148591.0321.0nmol/day0.6 umol/dayCrude
13410AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)Vitamin CNo148476.0354.0umol/day476.0 umol/dayCrude
13420AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)ThiaminNo1482.461.0umol/day2.5 umol/dayCrude
13430AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)RiboflavinNo1483.431.35umol/day3.4 umol/dayCrude
13440AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)Vitamin B6No1485.832.14umol/day5.8 umol/dayCrude
13450AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)Vitamin B12No1483.495.16nmol/day0.0 umol/dayCrude
13460AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)NiacinNo14898.839.5umol/day98.8 umol/dayCrude
13470AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No148196.063.0umol/day196.0 umol/dayCrude
13480AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)Pantothenic acidNo14824.39.6umol/day24.3 umol/dayCrude
13490AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)FolatesNo148610.0423.0nmol/day0.6 umol/dayCrude
13500AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)Vitamin CNo148546.0435.0umol/day546.0 umol/dayCrude
13510AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)ThiaminNo1482.090.84umol/day2.1 umol/dayCrude
13520AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)RiboflavinNo1483.171.46umol/day3.2 umol/dayCrude
13530AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)Vitamin B6No1485.252.37umol/day5.2 umol/dayCrude
13540AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)Vitamin B12No1483.055.69nmol/day0.0 umol/dayCrude
13550AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)NiacinNo14893.449.0umol/day93.4 umol/dayCrude
13560AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No148184.074.0umol/day184.0 umol/dayCrude
13570AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)Pantothenic acidNo14822.711.2umol/day22.7 umol/dayCrude
13580AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)FolatesNo148569.0515.0nmol/day0.6 umol/dayCrude
13590AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)Vitamin CNo148388.0276.0umol/day388.0 umol/dayCrude
13600AllUniversity studentsJapanJPWeighed Dietary record (4-day)ThiaminNo1482.320.63umol/day2.3 umol/dayCrude
13610AllUniversity studentsJapanJPWeighed Dietary record (4-day)RiboflavinNo1483.00.81umol/day3.0 umol/dayCrude
13620AllUniversity studentsJapanJPWeighed Dietary record (4-day)Vitamin B6No1485.51.54umol/day5.5 umol/dayCrude
13630AllUniversity studentsJapanJPWeighed Dietary record (4-day)Vitamin B12No1483.232.84nmol/day0.0 umol/dayCrude
13640AllUniversity studentsJapanJPWeighed Dietary record (4-day)NiacinNo14894.928.7umol/day94.9 umol/dayCrude
13650AllUniversity studentsJapanJPWeighed Dietary record (4-day)Niacin (Niacin Equivalents)No148190.047.0umol/day190.0 umol/dayCrude
13660AllUniversity studentsJapanJPWeighed Dietary record (4-day)Pantothenic acidNo14823.67.0umol/day23.6 umol/dayCrude
13670AllUniversity studentsJapanJPWeighed Dietary record (4-day)FolatesNo148588.0273.0nmol/day0.6 umol/dayCrude
13680AllUniversity studentsJapanJPWeighed Dietary record (4-day)Vitamin CNo148455.0244.0umol/day455.0 umol/dayCrude

Correlation values

IDIntake IDExcretion IDSubject groupPopulationCountryCountry codeCohortIntake Time definitionIntake assessmentIntakeIntake detailSupplement intakes included?Intake Arithmetic meanIntake Geometric meanIntake MedianIntake UnitIntake Adjusted onBiomarker Time definitionBiological specimenBiomarker Experimental methodBiomarkerBiomarker detailBiomarker Arithmetic meanBiomarker Geometric meanBiomarker MedianBiomarker UnitBiomarker Adjusted onCorrelation sizeCorrelation typeCorrelation valueCorrelation 95% CI lowerCorrelation 95% CI upperCorrelation p-valueSignificant?Measurement adjustmentDeattenuated?Covariates
120413241313AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)ThiaminNo2.27umol/daybaselineUrine, 24-hHPLCThiamin0.425umol/day148Pearson0.29< 0.001Yes
120513251314AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)RiboflavinNo3.32umol/daybaselineUrine, 24-hHPLCRiboflavin0.382umol/day148Pearson0.32< 0.001Yes
120613261315AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)Vitamin B6No5.3umol/daybaselineUrine, 24-hHPLC4-Pyridoxic acid3.68umol/day148Pearson0.26< 0.01Yes
120713271316AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)Vitamin B12No2.88nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus leichmanii)Vitamin B120.028nmol/day148Pearson0.05>= 0.05No
120813281318AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)NiacinNo90.8umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
84.5umol/day148Pearson0.32< 0.001Yes
120913291318AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No184.0umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
84.5umol/day148Pearson0.29< 0.001Yes
121013301319AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)Pantothenic acidNo23.6umol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus plantarum)Pantothenic acid16.5umol/day148Pearson0.33< 0.001Yes
121113311320AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)FolatesNo569.0nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus casei)Folates23.1nmol/day148Pearson0.15>= 0.05No
121213321321AllUniversity studentsJapanJPDay 4Weighed Dietary record (4-day)Vitamin CNo425.0umol/daybaselineUrine, 24-hHPLCAscorbic acid metabolites2,3-Diketogulonic acid
Ascorbic acid
L-Dehydroascorbic acid
139.0umol/day148Pearson0.29< 0.001Yes
121313331313AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)ThiaminNo2.46umol/daybaselineUrine, 24-hHPLCThiamin0.425umol/day148Pearson0.35< 0.001Yes
121413341314AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)RiboflavinNo3.47umol/daybaselineUrine, 24-hHPLCRiboflavin0.382umol/day148Pearson0.28< 0.001Yes
121513351315AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)Vitamin B6No5.62umol/daybaselineUrine, 24-hHPLC4-Pyridoxic acid3.68umol/day148Pearson0.37< 0.001Yes
121613361316AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)Vitamin B12No3.59nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus leichmanii)Vitamin B120.028nmol/day148Pearson0.01>= 0.05No
121713371318AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)NiacinNo96.5umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
84.5umol/day148Pearson0.26< 0.01Yes
121813381318AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No191.0umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
84.5umol/day148Pearson0.24< 0.01Yes
121913391319AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)Pantothenic acidNo23.9umol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus plantarum)Pantothenic acid16.5umol/day148Pearson0.44< 0.001Yes
122013401320AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)FolatesNo591.0nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus casei)Folates23.1nmol/day148Pearson0.24< 0.01Yes
122113411321AllUniversity studentsJapanJPDay 3Weighed Dietary record (4-day)Vitamin CNo476.0umol/daybaselineUrine, 24-hHPLCAscorbic acid metabolites2,3-Diketogulonic acid
Ascorbic acid
L-Dehydroascorbic acid
139.0umol/day148Pearson0.34< 0.001Yes
122213421313AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)ThiaminNo2.46umol/daybaselineUrine, 24-hHPLCThiamin0.425umol/day148Pearson0.27< 0.001Yes
122313431314AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)RiboflavinNo3.43umol/daybaselineUrine, 24-hHPLCRiboflavin0.382umol/day148Pearson0.31< 0.001Yes
122413441315AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)Vitamin B6No5.83umol/daybaselineUrine, 24-hHPLC4-Pyridoxic acid3.68umol/day148Pearson0.21< 0.01Yes
122513451316AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)Vitamin B12No3.49nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus leichmanii)Vitamin B120.028nmol/day148Pearson-0.06>= 0.05No
122613461318AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)NiacinNo98.8umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
84.5umol/day148Pearson0.17< 0.05Yes
122713471318AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No196.0umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
84.5umol/day148Pearson0.2< 0.05Yes
122813481319AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)Pantothenic acidNo24.3umol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus plantarum)Pantothenic acid16.5umol/day148Pearson0.28< 0.001Yes
122913491320AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)FolatesNo610.0nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus casei)Folates23.1nmol/day148Pearson0.19< 0.05Yes
123013501321AllUniversity studentsJapanJPDay 2Weighed Dietary record (4-day)Vitamin CNo546.0umol/daybaselineUrine, 24-hHPLCAscorbic acid metabolites2,3-Diketogulonic acid
Ascorbic acid
L-Dehydroascorbic acid
139.0umol/day148Pearson0.16>= 0.05No
123113511313AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)ThiaminNo2.09umol/daybaselineUrine, 24-hHPLCThiamin0.425umol/day148Pearson0.12>= 0.05No
123213521314AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)RiboflavinNo3.17umol/daybaselineUrine, 24-hHPLCRiboflavin0.382umol/day148Pearson0.11>= 0.05No
123313531315AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)Vitamin B6No5.25umol/daybaselineUrine, 24-hHPLC4-Pyridoxic acid3.68umol/day148Pearson0.21< 0.01Yes
123413541316AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)Vitamin B12No3.05nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus leichmanii)Vitamin B120.028nmol/day148Pearson0.1>= 0.05No
123513551318AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)NiacinNo93.4umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
84.5umol/day148Pearson0.22< 0.01Yes
123613561318AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No184.0umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
84.5umol/day148Pearson0.21< 0.05Yes
123713571319AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)Pantothenic acidNo22.7umol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus plantarum)Pantothenic acid16.5umol/day148Pearson0.1>= 0.05No
123813581320AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)FolatesNo569.0nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus casei)Folates23.1nmol/day148Pearson0.07>= 0.05No
123913591321AllUniversity studentsJapanJPDay 1Weighed Dietary record (4-day)Vitamin CNo388.0umol/daybaselineUrine, 24-hHPLCAscorbic acid metabolites2,3-Diketogulonic acid
Ascorbic acid
L-Dehydroascorbic acid
139.0umol/day148Pearson0.22< 0.01Yes
124013601313AllUniversity studentsJapanJPWeighed Dietary record (4-day)ThiaminNo2.32umol/daybaselineUrine, 24-hHPLCThiamin0.425umol/day148Pearson0.39< 0.001Yes
124113611314AllUniversity studentsJapanJPWeighed Dietary record (4-day)RiboflavinNo3.0umol/daybaselineUrine, 24-hHPLCRiboflavin0.382umol/day148Pearson0.39< 0.001Yes
124213621315AllUniversity studentsJapanJPWeighed Dietary record (4-day)Vitamin B6No5.5umol/daybaselineUrine, 24-hHPLC4-Pyridoxic acid3.68umol/day148Pearson0.39< 0.001Yes
124313631316AllUniversity studentsJapanJPWeighed Dietary record (4-day)Vitamin B12No3.23nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus leichmanii)Vitamin B120.028nmol/day148Pearson0.07>= 0.05No
124413641318AllUniversity studentsJapanJPWeighed Dietary record (4-day)NiacinNo94.9umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
84.5umol/day148Pearson0.33< 0.001Yes
124513651318AllUniversity studentsJapanJPWeighed Dietary record (4-day)Niacin (Niacin Equivalents)No190.0umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
84.5umol/day148Pearson0.32< 0.001Yes
124613661319AllUniversity studentsJapanJPWeighed Dietary record (4-day)Pantothenic acidNo23.6umol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus plantarum)Pantothenic acid16.5umol/day148Pearson0.41< 0.001Yes
124713671320AllUniversity studentsJapanJPWeighed Dietary record (4-day)FolatesNo588.0nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus casei)Folates23.1nmol/day148Pearson0.24< 0.01Yes
124813681321AllUniversity studentsJapanJPWeighed Dietary record (4-day)Vitamin CNo455.0umol/daybaselineUrine, 24-hHPLCAscorbic acid metabolites2,3-Diketogulonic acid
Ascorbic acid
L-Dehydroascorbic acid
139.0umol/day148Pearson0.41< 0.001Yes

Reproducibility values

No data available