Senan, A.M., AL-Kawry, T.A., Al-Zaimi, A.S. and Al-Afour, M.F. 2025. Ultrasound-Assisted Extraction and HPLC Quantitative Profiling of Phytochemical Compounds in Yemeni Red Onion Peels (Allium cepa L.). Sana’a University Journal of Applied Sciences and Technology . 3, 6 (Dec. 2025), 1339–1346. DOI:https://doi.org/10.59628/jast.v3i6.2035.