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Preparation of high purity biphenyl cyclooctene lignans from Schisandra extract by ion exchange resin catalytic transformation combined with macroporous resin separation.
Ma CH, Liu TT, Yang L, Zu YG, Yang FJ, Zhao CJ, Zhang L, Zhang ZH. Ma CH, et al. Among authors: zhang l, zhang zh. J Chromatogr B Analyt Technol Biomed Life Sci. 2011 Nov 15;879(30):3444-51. doi: 10.1016/j.jchromb.2011.09.022. Epub 2011 Sep 18. J Chromatogr B Analyt Technol Biomed Life Sci. 2011. PMID: 21963273
Development of sample preparation method for isoliquiritigenin, liquiritin, and glycyrrhizic acid analysis in licorice by ionic liquids-ultrasound based extraction and high-performance liquid chromatography detection.
Yang L, Li LL, Liu TT, Zu YG, Yang FJ, Zhao CJ, Zhang L, Chen XQ, Zhang ZH. Yang L, et al. Among authors: zhang l, zhang zh. Food Chem. 2013 May 1;138(1):173-9. doi: 10.1016/j.foodchem.2012.10.059. Epub 2012 Nov 8. Food Chem. 2013. PMID: 23265473
2,397 results