OPTIMIZING FORMULATION AND SYNTHESIS CONDITIONS OF RED PALM OIL (RPO)-BASED NANOEMULSIONS STABILIZED BY TWEEN 80
DOI:
https://doi.org/10.31436/cnrej.v9i2.129Keywords:
Nanoemulsions, Red Palm Oil, Tween 80, High-speed homogenizer, Food applicationAbstract
Nanoemulsion is an important class of nanomaterial that offers several advantages due to its improved stability and dispersibility in aqueous systems. In this preliminary study, oil-in-water nanoemulsions were synthesized using red palm oil (RPO). RPO was chosen for its high insoluble vitamin E content, a potent antioxidant that can reduce oxidative stress by neutralizing free radicals. The most suitable emulsifier, optimal formulation, and synthesis conditions to produce stable nanoemulsions were evaluated. A laser beam penetration test based on the Tyndall effect and light-scattering principles was used to confirm the presence of nanoemulsions qualitatively. The results indicate that Tween-80 produced the most stable and translucent nanoemulsion. The optimal formulation was found to have a weight ratio of 10:15:74:1 for RPO: Tween 80: water: glycerin. The optimal synthesis conditions were using the high-speed homogenizer at 15000 rpm for 40-minute synthesis time. The resulting nanoemulsions demonstrated stability suitable for further studies (e.g., physicochemical characterization, scale-up, and additional functionalization) for food and beverage applications.
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