1. Title: Recent Advances in Stable Isotope-Enabled Mass Spectrometry-Based Plant Metabolomics Authors: Dana M. Freund and Adrian D. Hegeman Affiliations: Department of Horticultural Science, Department of Plant Biology, and the Microbial and Plant Genomics Institute, University of Minnesota, Twin Cities, MN, USA Correspondence: Adrian D. Hegeman, Ph.D., Department of Horticultural Science, University of Minnesota, 1970 Folwell Avenue, Saint Paul, MN 55108, USA; Phone: (612) 626-3650; Fax: (612) 624- 4941; E-mail: hegem007@umn.edu. © 2016. This manuscript version is made available under the Elsevier user license http://www.elsevier.com/open-access/userlicense/1.0/