Received: 23 February 2024 | Accepted: 4 April 2024 | Published: 5 May 2024 Open Access | Research In vitro study of the antibacterial effects of the Cydonia oblonga extract Nada Khazal Kadhim Hindi1,2,* , Baraa Hamid Hadi3 , Lubna Abdul Muttalib Al-Shalah4 , Ahmed Saleem Abbas5 1Department of Basic and Medical Science, College of Nursing, University of Babylon, Hillah, Iraq 2College of Pharmacy, Al-Mustaqbal University, Hillah, Iraq 3Department of Microbiology, College of Medicine, University of Babylon, Hillah, Iraq 4Environmental Research and Studies Center, University of Babylon, Hillah, Iraq 5Department of Software, College of Information Technology, University of Babylon, Hillah, Iraq *Corresponding author: Nada Khazal Kadhim Hindi, Department of Basic and Medical Sciences, College of Nursing, University of Babylon, Hillah, Iraq, and College of Pharmacy, Al-Mustaqbal University, Hillah, Iraq Tel.: +964-(0)7725708351 E-mail: [email protected]