Senior Lecturer at Universiti Malaysia Sabah, Malaysia
Dr. Ahmad Hazim Abdul Aziz is a lecturer and researcher at the Faculty of Food Science and Nutrition, Universiti Malaysia Sabah, specializing in green extraction technologies with a strong background in Chemical Engineering. His work focuses on supercritical carbon dioxide extraction, subcritical water extraction, optimization, and mathematical modelling for high-value natural products. He has published extensively, including 18 articles in 2024, contributing to a total of 64 indexed documents with 728 citations from 514 citing sources and an h-index of 17. Dr. Ahmad Hazim leads several competitive research grants involving process optimization, modelling, and product development, and actively participates in innovation and invention competitions where he transforms scientific findings into functional prototypes and value-added solutions. His research integrates engineering principles with food science to advance sustainable product development in the food and natural products industries. He holds two editorial appointments, maintains two active research collaborations, and is a member of two professional bodies as a Professional Technologist and Graduate Engineer. His contributions strengthen Malaysia’s capacity for sustainable extraction technologies and support industry-driven innovation aligned with national and global sustainability objectives.
Featured Publications
Khurun Hizar, S. A., Mamat, H., Pindi, W., Julmohammad, N., Mohd Amin, S. F., Awang, M. A., Roslan, J., Ahmad Zaini, M. A., Putra, N. R., Jaziri, A. A., et al. (2025). Solubility modeling of Sabah green robusta coffee (Coffea canephora) bean oil extracted using supercritical carbon dioxide. Sci, 7(4), 139.
Md Sarip, M. S., Nik Daud, N. M. A., Idham, Z., Mohd Zainudin, M. A., Abu Bakar, A. R., Ruslan, M. S. H., & Abdul Aziz, A. H. (2025, June 10). The effect of temperature on the upscaling process of 6-gingerol and 6-shogaol extraction from Zingiber officinale using subcritical water extraction. Engineering Proceedings.
Mamat, H., Mohd Faizal, A. N., Mohd Amin, S. F., Julmohammad, N., Kobun, R., Mohamad, N. E., Md Sarip, M. S., Putra, N. R., Ahmad Zaini, M. A., & Abdul Aziz, A. H. (2025). Application of supercritical carbon dioxide extraction of bioactive compounds from cat’s whiskers leaves. Separation Science Plus.
Leong, K. Y., Ibrahim, S. N., Ronie, M. E., Abdul Aziz, A. H., Kobun, R., Pindi, W., Roslan, J., Md Ridhwan, N., Putra, N. R., & Mamat, H. (2024). Quality characteristics of cookies made with red rice flour composite flour. Akademik Gıda, 22(?), Article 1609371.
Putra, N. R., Abdul Aziz, A. H., Rizkiyah, D. N., Che Yunus, M. A., Alwi, R. S., & Qomariyah, L. (2023). Green extraction of valuable compounds from rubber seed trees: A path to sustainability. Applied Sciences, 13(24), 13102.
Abdul Aziz, A. H., Rizkiyah, D. N., Qomariyah, L., Irianto, I., Che Yunus, M. A., & Putra, N. R. (2023). Unlocking the full potential of clove (Syzygium aromaticum) spice: An overview of extraction techniques, bioactivity, and future opportunities in the food and beverage industry. Processes, 11(8), 2453.