Physico-chemical and sensory evaluation of virgin olive oils from several Algerian olive-growing regions Malika Douzane, Mohamed-Seghir Daas, Amel Meribai, Ahmed-Hani Guezil, Abdelkrim Abdi and Abderezak Tamendjari OCL, 28 (2021) 55 Published online: 06 December 2021 DOI: 10.1051/ocl/2021044