Al-Mudhafr, A.W.H. and Raheem, W.A. 2021. Effect of Phenolic Components of Earth Apple (Helianthus Tuberosus) in the Inhibiting of Oxidation and Extension the Shelf-life of Vegetable Oils. Journal of Botanical Research. 3, 2 (Apr. 2021), 14–19. DOI:https://doi.org/10.30564/jbr.v3i2.3030.