
Malang, January 14, 2025 – Ria Dewi Andriani, a doctoral student in the Animal Product Technology program at Brawijaya University, officially earned her doctorate after defending her dissertation titled “Characterization of Lipase Enzymes from Fish Viscera of Different Habitats and Their Application in Hydrolyzing Fish Oil as an Emulsifier for Dairy Creamer” in an open session held at the Postgraduate Auditorium of the Faculty of Animal Husbandry, Brawijaya University, on Tuesday (14/1).
Her dissertation was supervised by a team of promoters consisting of Prof. Dr. Lilik Eka Radiati, Ir., MS., IPU, along with co-promoters Prof. Dr. Teti Estiasih, STP., MP (FTP UB) and Prof. Dr. Ir. Osfar Sjofjan, M.Sc., IPU., ASEAN Eng. The session was also attended by an examination panel comprising:
- Dr. Abdul Manab, S.Pt., MP
- Khothibul Umam Al Awwaly, Dr. S.Pt., M.Si.
- Fithri Choirun Nisa, STP, MP, Ph.D (FTP UB)
- Prof. Dr. Aman Santoso, M.Si (UM).
Innovative Research
In her dissertation, Ria Dewi Andriani explored the utilization of lipase enzymes extracted from fish viscera of different habitats to hydrolyze fish oil. The study highlighted the potential of lipase enzymes as emulsifiers for dairy creamer products. Her findings demonstrated that lipase enzymes from fish viscera possess superior activity and stability compared to other sources, resulting in emulsions with the highest quality.
Research Highlights
- Optimization of Hydrolysis Process: Fish oil hydrolysis at 0.40% resulted in emulsions with the highest stability.
- Habitat Adaptation: Different fish habitats influenced enzyme characteristics, allowing for specific industrial applications.
- Industrial Contributions: The study provided solutions for enhancing the added value of local fishery products and supporting the sustainability of the food industry.
Prof. Halim’s Remarks
In his remarks, Prof. Halim expressed appreciation for Ria Dewi Andriani’s research. “This research is highly relevant to current challenges, particularly in optimizing local resources that are often underutilized. Dr. Ria’s innovative approach not only contributes to scientific development but also opens significant opportunities for industrial applications,” he said.
He added, “We hope this research serves as a model for collaboration among academics, the government, and industry to foster high-value products based on local resources.”
Ria Dewi Andriani’s successful defense of her dissertation and attainment of her doctorate earned high praise from her promoters and examiners. It is hoped that her research will be implemented to support the development of food technology based on local resources in Indonesia, particularly in the livestock and fisheries sectors.
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