Publications for Proline betaine being present in Sweet orange

1. Gibbons H, Michielsen CJR, Rundle M, Frost G, McNulty BA, Nugent AP, Walton J, Flynn A, Gibney MJ, Brennan L: Demonstration of the utility of biomarkers for dietary intake assessment; proline betaine as an example. Mol Nutr Food Res. 2017 Oct;61(10). doi: 10.1002/mnfr.201700037. Epub 2017 Jul 20. [PubMed:28556565 ]
2. Pujos-Guillot E, Hubert J, Martin JF, Lyan B, Quintana M, Claude S, Chabanas B, Rothwell JA, Bennetau-Pelissero C, Scalbert A, Comte B, Hercberg S, Morand C, Galan P, Manach C: Mass spectrometry-based metabolomics for the discovery of biomarkers of fruit and vegetable intake: citrus fruit as a case study. J Proteome Res. 2013 Apr 5;12(4):1645-59. doi: 10.1021/pr300997c. Epub 2013 Mar 5. [PubMed:23425595 ]