Matching Shotgun Metabolomic Ions from Urine Samples to Reference Standards and the HMDB Database for Metabolite Identification: It is Not as Straight-Forward as You Think.

Iles RK^1* and Trivedi DK²

¹MAP Diagnostics, The BioPark, Welwyn Garden City, AL7 3AX, UK

²University of Manchester, 131 Princess Street, Manchester M1 7DN, UK

^*Corresponding Author: Iles RK, MAP Diagnostics, The BioPark, Welwyn Garden City, AL7 3AX, UK, Tel: 440-208-411-5440 Email:

Keywords: MDMB; Urinary metabolomics; Shotgun analysis; dihydrouracil; Progesterone; Molecular ion spectra