Accepted Manuscript Title: Selective determination of caffeine and trigonelline in aqueous extract of green coffee beans by FT-MIR ATR spectroscopy Authors: Hagos Yisak, Mesfin Redi-Abshiro, Bhagwan Singh Chandravanshi PII: S0924-2031(18)30093-6 DOI: https://doi.org/10.1016/j.vibspec.2018.05.003 Reference: VIBSPE 2797 To appear in: VIBSPE Received date: 17-3-2018 Revised date: 10-5-2018 Accepted date: 17-5-2018 Please cite this article as: Yisak H, Redi-Abshiro M, Chandravanshi BS, Selective determination of caffeine and trigonelline in aqueous extract of green coffee beans by FT-MIR ATR spectroscopy, Vibrational Spectroscopy (2018), https://doi.org/10.1016/j.vibspec.2018.05.003 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.