Study of phenolic composition of olive fruits: validation of a simple and fast HPLC-UV method Meriem Tekaya, Hechmi Chehab, Ahlem Guesmi, Faisal K. Algethami, Naoufel Ben Hamadi, Mohamed Hammami and Beligh Mechri OCL, 29 (2022) 35 Published online: 14 October 2022 DOI: 10.1051/ocl/2022028