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Items: 1 to 20 of 136

1.

An LC/MS/MS method for stable isotope dilution studies of β-carotene bioavailability, bioconversion, and vitamin A status in humans.

Oxley A, Berry P, Taylor GA, Cowell J, Hall MJ, Hesketh J, Lietz G, Boddy AV.

J Lipid Res. 2014 Feb;55(2):319-28. doi: 10.1194/jlr.D040204. Epub 2013 Oct 24.

2.

A liquid chromatography-mass spectrometry method for the quantification of bioavailability and bioconversion of beta-carotene to retinol in humans.

Wang Y, Xu X, van Lieshout M, West CE, Lugtenburg J, Verhoeven MA, Creemers AF, Muhilal, van Breemen RB.

Anal Chem. 2000 Oct 15;72(20):4999-5003.

PMID:
11055721
3.

An LC/MS method for d8-β-carotene and d4-retinyl esters: β-carotene absorption and its conversion to vitamin A in humans.

Fleshman MK, Riedl KM, Novotny JA, Schwartz SJ, Harrison EH.

J Lipid Res. 2012 Apr;53(4):820-7. doi: 10.1194/jlr.D021139. Epub 2012 Feb 3.

4.

Dual isotope test for assessing beta-carotene cleavage to vitamin A in humans.

Hickenbottom SJ, Lemke SL, Dueker SR, Lin Y, Follett JR, Carkeet C, Buchholz BA, Vogel JS, Clifford AJ.

Eur J Nutr. 2002 Aug;41(4):141-7.

PMID:
12242581
5.

An HPLC-MS/MS method for the separation of α-retinyl esters from retinyl esters.

Goetz HJ, Kopec RE, Riedl KM, Cooperstone JL, Narayanasamy S, Curley RW Jr, Schwartz SJ.

J Chromatogr B Analyt Technol Biomed Life Sci. 2016 Sep 1;1029-1030:68-71. doi: 10.1016/j.jchromb.2016.06.043. Epub 2016 Jun 25.

6.

A Simple Plasma Retinol Isotope Ratio Method for Estimating β-Carotene Relative Bioefficacy in Humans: Validation with the Use of Model-Based Compartmental Analysis.

Ford JL, Green JB, Lietz G, Oxley A, Green MH.

J Nutr. 2017 Sep;147(9):1806-1814. doi: 10.3945/jn.117.252361. Epub 2017 Jul 26.

PMID:
28747484
7.

Relative contribution of α-carotene to postprandial vitamin A concentrations in healthy humans after carrot consumption.

Cooperstone JL, Goetz HJ, Riedl KM, Harrison EH, Schwartz SJ, Kopec RE.

Am J Clin Nutr. 2017 Jul;106(1):59-66. doi: 10.3945/ajcn.116.150821. Epub 2017 May 17.

PMID:
28515067
8.

Plasma Retinol Kinetics and β-Carotene Bioefficacy Are Quantified by Model-Based Compartmental Analysis in Healthy Young Adults with Low Vitamin A Stores.

Green MH, Ford JL, Oxley A, Green JB, Park H, Berry P, Boddy AV, Lietz G.

J Nutr. 2016 Oct;146(10):2129-2136. Epub 2016 Aug 10.

9.

Improved simultaneous determination method of beta-carotene and retinol with saponification in human serum and rat liver.

Hosotani K, Kitagawa M.

J Chromatogr B Analyt Technol Biomed Life Sci. 2003 Jul 5;791(1-2):305-13.

PMID:
12798190
12.

High provitamin A carotenoid serum concentrations, elevated retinyl esters, and saturated retinol-binding protein in Zambian preschool children are consistent with the presence of high liver vitamin A stores.

Mondloch S, Gannon BM, Davis CR, Chileshe J, Kaliwile C, Masi C, Rios-Avila L, Gregory JF 3rd, Tanumihardjo SA.

Am J Clin Nutr. 2015 Aug;102(2):497-504. doi: 10.3945/ajcn.115.112383. Epub 2015 Jul 15.

13.
14.

Quantitative analyses of beta-carotene and retinol in serum and feces in support of clinical bioavailability studies.

Zhu D, Wang Y, Pang Y, Liu A, Guo J, Bouwman CA, West CE, van Breemen RB.

Rapid Commun Mass Spectrom. 2006;20(16):2427-32.

PMID:
16841362
15.

[Evaluation on intestinal and whole-body conversion of beta-carotene to vitamin A in Chinese adults using a stable isotope reference method].

Wang Z, Jiao H, Cao M, Tang G, Zhao X, Yin S.

Wei Sheng Yan Jiu. 2003 May;32(3):215-21. Chinese.

PMID:
12914283
16.

beta-Carotene-vitamin A equivalence in Chinese adults assessed by an isotope dilution technique.

Wang Z, Yin S, Zhao X, Russell RM, Tang G.

Br J Nutr. 2004 Jan;91(1):121-31. Erratum in: Br J Nutr. 2014 Jan 14;111(1):191.

PMID:
14748945
17.
19.

[Evaluation on beta-carotene-vitamin A equivalence of middle-aged subjects in Chinese adults].

Wang ZX, Gu YG, Zhang CD, Su D, Wang Y, Yin S.

Wei Sheng Yan Jiu. 2006 Jan;35(1):59-62. Chinese.

PMID:
16598936
20.

Vitamin A equivalence of beta-carotene in a woman as determined by a stable isotope reference method.

Tang G, Qin J, Dolnikowski GG, Russell RM.

Eur J Nutr. 2000 Feb;39(1):7-11.

PMID:
10900552

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