Journal Pre-proofs Nitrogen influenced biomolecular changes on Physalis L. species studied us- ing 2DCOS spectral analysis coupled with chemometric and Receiver opera- tion characteristics analysis Romeu da Silva Leite, Sivakumaran Karthikeyan, Salvador Hernandéz- Navarro, Marilza Neves do Nascimento, Norlan Miguel Ruiz Potosme, Paula Carrión-Prieto, Elma dos Santos Souza PII: S1386-1425(20)31199-9 DOI: https://doi.org/10.1016/j.saa.2020.119220 Reference: SAA 119220 To appear in: Spectrochimica Acta Part A: Molecular and Bio- molecular Spectroscopy Received Date: 20 July 2020 Revised Date: 6 November 2020 Accepted Date: 10 November 2020 Please cite this article as: R. da Silva Leite, S. Karthikeyan, S. Hernandéz-Navarro, M. Neves do Nascimento, N. Miguel Ruiz Potosme, P. Carrión-Prieto, E. dos Santos Souza, Nitrogen influenced biomolecular changes on Physalis L. species studied using 2DCOS spectral analysis coupled with chemometric and Receiver operation characteristics analysis, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy (2020), doi: https://doi.org/10.1016/j.saa.2020.119220 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. 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. © 2020 Elsevier B.V. All rights reserved.