Tsuji 2011

ID51
TitleTwenty-four hour urinary water-soluble vitamin levels correlate with their intakes in free-living Japanese schoolchildren
AuthorsTsuji, T.; Fukuwatari, T.; Sasaki, S.; Shibata, K.
Year2011
JournalPublic Health Nutr
Volume14
Issue2
Pages327-333
PubMed ID20576202
DOI10.1017/S1368980010001904

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
1900AllElementary-school childrenJapanJPHealthyYesFemale + Male41.011410.80.710.012.0144.07.736.78.3

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
11100AllElementary-school childrenJapanJPbaselineUrine, 24-hHPLCThiamin1080.7660.383umol/day0.8 umol/dayCrude
11110AllElementary-school childrenJapanJPbaselineUrine, 24-hHPLCRiboflavin1080.290.209umol/day0.3 umol/dayCrude
11120AllElementary-school childrenJapanJPbaselineUrine, 24-hHPLC4-Pyridoxic acid1082.360.92umol/day2.4 umol/dayCrude
11130AllElementary-school childrenJapanJPbaselineUrine, 24-hMicrobioassay (Lactobacillus leichmanii)Vitamin B121080.0260.015nmol/day0.0 umol/dayCrude
11150AllElementary-school childrenJapanJPbaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
10865.627.6umol/day65.6 umol/dayCrude
11160AllElementary-school childrenJapanJPbaselineUrine, 24-hMicrobioassay (Lactobacillus plantarum)Pantothenic acid10811.65.5umol/day11.6 umol/dayCrude
11170AllElementary-school childrenJapanJPbaselineUrine, 24-hMicrobioassay (Lactobacillus casei)Folates10816.86.6nmol/day0.0 umol/dayCrude
11180AllElementary-school childrenJapanJPbaselineUrine, 24-hHPLCAscorbic acid metabolites2,3-Diketogulonic acid
Ascorbic acid
L-Dehydroascorbic acid
108161.0221.0umol/day161.0 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
11460AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)ThiaminNo1082.750.92umol/day2.7 umol/dayCrude
11470AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)RiboflavinNo1083.61.17umol/day3.6 umol/dayCrude
11480AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)Vitamin B6No1086.02.41umol/day6.0 umol/dayCrude
11490AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)Vitamin B12No1084.643.37nmol/day0.0 umol/dayCrude
11500AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)NiacinNo108101.432.5umol/day101.4 umol/dayCrude
11510AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No108218.056.0umol/day218.0 umol/dayCrude
11520AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)Pantothenic acidNo10828.77.8umol/day28.7 umol/dayCrude
11530AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)FolatesNo108532.0164.0nmol/day0.5 umol/dayCrude
11540AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)Vitamin CNo108445.0328.0umol/day445.0 umol/dayCrude
11370AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)ThiaminNo1082.60.74umol/day2.6 umol/dayCrude
11380AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)RiboflavinNo1083.591.0umol/day3.6 umol/dayCrude
11390AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)Vitamin B6No1085.971.69umol/day6.0 umol/dayCrude
11400AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)Vitamin B12No1084.764.29nmol/day0.0 umol/dayCrude
11410AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)NiacinNo108105.331.3umol/day105.3 umol/dayCrude
11420AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No108218.052.0umol/day218.0 umol/dayCrude
11430AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)Pantothenic acidNo10827.06.3umol/day27.0 umol/dayCrude
11440AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)FolatesNo108491.0123.0nmol/day0.5 umol/dayCrude
11450AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)Vitamin CNo108403.0289.0umol/day403.0 umol/dayCrude
11280AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)ThiaminNo1082.90.85umol/day2.9 umol/dayCrude
11290AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)RiboflavinNo1083.751.13umol/day3.7 umol/dayCrude
11300AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)Vitamin B6No1085.961.65umol/day6.0 umol/dayCrude
11310AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)Vitamin B12No1084.855.93nmol/day0.0 umol/dayCrude
11320AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)NiacinNo108101.738.2umol/day101.7 umol/dayCrude
11330AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No108218.056.0umol/day218.0 umol/dayCrude
11340AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)Pantothenic acidNo10830.17.4umol/day30.1 umol/dayCrude
11350AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)FolatesNo108615.0423.0nmol/day0.6 umol/dayCrude
11360AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)Vitamin CNo108448.0313.0umol/day448.0 umol/dayCrude
11190AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)ThiaminNo1083.131.01umol/day3.1 umol/dayCrude
11200AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)RiboflavinNo1083.470.94umol/day3.5 umol/dayCrude
11210AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)Vitamin B6No1085.931.86umol/day5.9 umol/dayCrude
11220AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)Vitamin B12No1083.151.97nmol/day0.0 umol/dayCrude
11230AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)NiacinNo10897.032.3umol/day97.0 umol/dayCrude
11240AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No108214.056.0umol/day214.0 umol/dayCrude
11250AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)Pantothenic acidNo10827.66.9umol/day27.6 umol/dayCrude
11260AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)FolatesNo108575.0170.0nmol/day0.6 umol/dayCrude
11270AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)Vitamin CNo108477.0225.0umol/day477.0 umol/dayCrude
11550AllElementary-school childrenJapanJPWeighed Dietary record (4-day)ThiaminNo1082.850.58umol/day2.8 umol/dayCrude
11560AllElementary-school childrenJapanJPWeighed Dietary record (4-day)RiboflavinNo1083.60.78umol/day3.6 umol/dayCrude
11570AllElementary-school childrenJapanJPWeighed Dietary record (4-day)Vitamin B6No1085.961.35umol/day6.0 umol/dayCrude
11580AllElementary-school childrenJapanJPWeighed Dietary record (4-day)Vitamin B12No1084.352.1nmol/day0.0 umol/dayCrude
11590AllElementary-school childrenJapanJPWeighed Dietary record (4-day)NiacinNo108101.420.4umol/day101.4 umol/dayCrude
11600AllElementary-school childrenJapanJPWeighed Dietary record (4-day)Niacin (Niacin Equivalents)No108217.039.0umol/day217.0 umol/dayCrude
11610AllElementary-school childrenJapanJPWeighed Dietary record (4-day)Pantothenic acidNo10828.35.7umol/day28.3 umol/dayCrude
11620AllElementary-school childrenJapanJPWeighed Dietary record (4-day)FolatesNo108553.0147.0nmol/day0.6 umol/dayCrude
11630AllElementary-school childrenJapanJPWeighed Dietary record (4-day)Vitamin CNo108443.0170.0umol/day443.0 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
108311461110AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)ThiaminNo2.75umol/daybaselineUrine, 24-hHPLCThiamin0.766umol/day108Pearson0.07>= 0.05No
108411471111AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)RiboflavinNo3.6umol/daybaselineUrine, 24-hHPLCRiboflavin0.29umol/day108Pearson0.23< 0.05Yes
108511481112AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)Vitamin B6No6.0umol/daybaselineUrine, 24-hHPLC4-Pyridoxic acid2.36umol/day108Pearson0.17>= 0.05No
108611491113AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)Vitamin B12No4.64nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus leichmanii)Vitamin B120.026nmol/day108Pearson0.11>= 0.05No
108711501115AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)NiacinNo101.4umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
65.6umol/day108Pearson0.23< 0.05Yes
108811511115AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No218.0umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
65.6umol/day108Pearson0.25< 0.01Yes
108911521116AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)Pantothenic acidNo28.7umol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus plantarum)Pantothenic acid11.6umol/day108Pearson0.25< 0.01Yes
109011531117AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)FolatesNo532.0nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus casei)Folates16.8nmol/day108Pearson0.24< 0.05Yes
109111541118AllElementary-school childrenJapanJPDay 1Weighed Dietary record (4-day)Vitamin CNo445.0umol/daybaselineUrine, 24-hHPLCAscorbic acid metabolites2,3-Diketogulonic acid
Ascorbic acid
L-Dehydroascorbic acid
161.0umol/day108Pearson0.18>= 0.05No
107411371110AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)ThiaminNo2.6umol/daybaselineUrine, 24-hHPLCThiamin0.766umol/day108Pearson0.22< 0.05Yes
107511381111AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)RiboflavinNo3.59umol/daybaselineUrine, 24-hHPLCRiboflavin0.29umol/day108Pearson0.33< 0.001Yes
107611391112AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)Vitamin B6No5.97umol/daybaselineUrine, 24-hHPLC4-Pyridoxic acid2.36umol/day108Pearson0.36< 0.001Yes
107711401113AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)Vitamin B12No4.76nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus leichmanii)Vitamin B120.026nmol/day108Pearson-0.02>= 0.05No
107811411115AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)NiacinNo105.3umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
65.6umol/day108Pearson0.21< 0.05Yes
107911421115AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No218.0umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
65.6umol/day108Pearson0.16>= 0.05No
108011431116AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)Pantothenic acidNo27.0umol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus plantarum)Pantothenic acid11.6umol/day108Pearson0.31< 0.001Yes
108111441117AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)FolatesNo491.0nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus casei)Folates16.8nmol/day108Pearson0.18>= 0.05No
108211451118AllElementary-school childrenJapanJPDay 2Weighed Dietary record (4-day)Vitamin CNo403.0umol/daybaselineUrine, 24-hHPLCAscorbic acid metabolites2,3-Diketogulonic acid
Ascorbic acid
L-Dehydroascorbic acid
161.0umol/day108Pearson0.26< 0.01Yes
106511281110AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)ThiaminNo2.9umol/daybaselineUrine, 24-hHPLCThiamin0.766umol/day108Pearson0.25< 0.01Yes
106611291111AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)RiboflavinNo3.75umol/daybaselineUrine, 24-hHPLCRiboflavin0.29umol/day108Pearson0.36< 0.001Yes
106711301112AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)Vitamin B6No5.96umol/daybaselineUrine, 24-hHPLC4-Pyridoxic acid2.36umol/day108Pearson0.32< 0.001Yes
106811311113AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)Vitamin B12No4.85nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus leichmanii)Vitamin B120.026nmol/day108Pearson0.14>= 0.05No
106911321115AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)NiacinNo101.7umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
65.6umol/day108Pearson0.11>= 0.05No
107011331115AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No218.0umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
65.6umol/day108Pearson0.23< 0.01Yes
107111341116AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)Pantothenic acidNo30.1umol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus plantarum)Pantothenic acid11.6umol/day108Pearson0.2< 0.05Yes
107211351117AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)FolatesNo615.0nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus casei)Folates16.8nmol/day108Pearson0.12>= 0.05No
107311361118AllElementary-school childrenJapanJPDay 3Weighed Dietary record (4-day)Vitamin CNo448.0umol/daybaselineUrine, 24-hHPLCAscorbic acid metabolites2,3-Diketogulonic acid
Ascorbic acid
L-Dehydroascorbic acid
161.0umol/day108Pearson0.23< 0.05Yes
105611191110AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)ThiaminNo3.13umol/daybaselineUrine, 24-hHPLCThiamin0.766umol/day108Pearson0.41< 0.001Yes
105711201111AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)RiboflavinNo3.47umol/daybaselineUrine, 24-hHPLCRiboflavin0.29umol/day108Pearson0.36< 0.001Yes
105811211112AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)Vitamin B6No5.93umol/daybaselineUrine, 24-hHPLC4-Pyridoxic acid2.36umol/day108Pearson0.42< 0.001Yes
105911221113AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)Vitamin B12No3.15nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus leichmanii)Vitamin B120.026nmol/day108Pearson0.18>= 0.05No
106011231115AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)NiacinNo97.0umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
65.6umol/day108Pearson0.28< 0.001Yes
106111241115AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)Niacin (Niacin Equivalents)No214.0umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
65.6umol/day108Pearson0.28< 0.01Yes
106211251116AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)Pantothenic acidNo27.6umol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus plantarum)Pantothenic acid11.6umol/day108Pearson0.23< 0.05Yes
106311261117AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)FolatesNo575.0nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus casei)Folates16.8nmol/day108Pearson0.27< 0.01Yes
106411271118AllElementary-school childrenJapanJPDay 4Weighed Dietary record (4-day)Vitamin CNo477.0umol/daybaselineUrine, 24-hHPLCAscorbic acid metabolites2,3-Diketogulonic acid
Ascorbic acid
L-Dehydroascorbic acid
161.0umol/day108Pearson0.35< 0.001Yes
109211551110AllElementary-school childrenJapanJPWeighed Dietary record (4-day)ThiaminNo2.85umol/daybaselineUrine, 24-hHPLCThiamin0.766umol/day108Pearson0.35< 0.001Yes
109311561111AllElementary-school childrenJapanJPWeighed Dietary record (4-day)RiboflavinNo3.6umol/daybaselineUrine, 24-hHPLCRiboflavin0.29umol/day108Pearson0.42< 0.001Yes
109411571112AllElementary-school childrenJapanJPWeighed Dietary record (4-day)Vitamin B6No5.96umol/daybaselineUrine, 24-hHPLC4-Pyridoxic acid2.36umol/day108Pearson0.43< 0.001Yes
109511581113AllElementary-school childrenJapanJPWeighed Dietary record (4-day)Vitamin B12No4.35nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus leichmanii)Vitamin B120.026nmol/day108Pearson0.1>= 0.05No
109611591115AllElementary-school childrenJapanJPWeighed Dietary record (4-day)NiacinNo101.4umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
65.6umol/day108Pearson0.32< 0.001Yes
109711601115AllElementary-school childrenJapanJPWeighed Dietary record (4-day)Niacin (Niacin Equivalents)No217.0umol/daybaselineUrine, 24-hHPLCNicotinamide metabolitesN-Methyl-2-pyridone-5-carboxamide
N-Methyl-4-pyridone-3-carboxamide
N-Methylnicotinamide
Nicotinamide
65.6umol/day108Pearson0.32< 0.001Yes
109811611116AllElementary-school childrenJapanJPWeighed Dietary record (4-day)Pantothenic acidNo28.3umol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus plantarum)Pantothenic acid11.6umol/day108Pearson0.32< 0.001Yes
109911621117AllElementary-school childrenJapanJPWeighed Dietary record (4-day)FolatesNo553.0nmol/daybaselineUrine, 24-hMicrobioassay (Lactobacillus casei)Folates16.8nmol/day108Pearson0.27< 0.01Yes
110011631118AllElementary-school childrenJapanJPWeighed Dietary record (4-day)Vitamin CNo443.0umol/daybaselineUrine, 24-hHPLCAscorbic acid metabolites2,3-Diketogulonic acid
Ascorbic acid
L-Dehydroascorbic acid
161.0umol/day108Pearson0.39< 0.001Yes

Reproducibility values

No data available