Food and Chemical Toxicology (2017)

Food and Chemical Toxicology (2017)

S1 Supporting material

New Caffeic Acid Derivative from Tithonia diversifolia (Hemsl.) A. Gray Butanolic Extract and Its Antioxidant Activity.

Kriss Dayana Pantoja Pulido,a Ana Julia Colmenares Dulcey,a and José Hipólito Isaza Martínez[endnoteRef:1],a [1: To whom correspondence should be addressed.  e-mail: jose.isaza@correounivalle.edu.co]

aResearch Group on Natural Products and Food (GIPNA), Department of Chemistry, Faculty of Natural and Exact Sciences, Ed. 320, Of 2081. Ciudad Universitaria-Meléndez, Universidad del Valle; Cali 760032, Colombia

APPENDIX

1H-NMR (MeOD-d4, 400 MHz) of compound 1

13C-NMR (MeOD-d4, 100 MHz) of compound 1

NOESY (MeOD-d4, 400 MHz) of compound 1

ESI-HRMS of compound 1

Direct Injection MS

HPLC-MS positive modo of compound 1