Emulsifying conditions and processing parameters optimisation of kenaf seed oil-in-water nanoemulsions stabilised by ternary emulsifier mixtures

Food Science and Technology International = Ciencia Y Tecnología De Los Alimentos Internacional
Ai M CheongKar L Nyam

Abstract

Kenaf ( Hibiscus cannabinus L.) seed oil has been proven for its multi-pharmacological benefits; however, its poor water solubility and stability have limited its industrial applications. This study was aimed to further improve the stability of pre-developed kenaf seed oil-in-water nanoemulsions by using food-grade ternary emulsifiers. The effects of emulsifier concentration (1, 5, 10, 15% w/w), homogenisation pressure (16,000, 22,000, 28,000 psi), and homogenisation cycles (three, four, five cycles) were studied to produce high stability of kenaf seed oil-in-water nanoemulsions using high pressure homogeniser. Generally, results showed that the emulsifier concentration and homogenisation conditions had great effect ( p < 0.05) on the particle sizes, polydispersity index and hence the physical stability of nanoemulsions. Homogenisation parameters at 28,000 psi for three cycles produced the most stable homogeneous nanoemulsions that were below 130 nm, below 0.16, and above -40 mV of particle size, polydispersity index, and zeta potential, respectively. Field emission scanning electron microscopy micrograph showed that the optimised nanoemulsions had a good distribution within nano-range. The optimised nanoemulsions were proved t...Continue Reading

References

Apr 10, 2004·Advances in Colloid and Interface Science·Tharwat TadrosC Solans
Jun 26, 2013·Food Chemistry·Ricky S H Lam, Michael T Nickerson
Apr 24, 2014·Ultrasonics Sonochemistry·Manickam SivakumarKhang Wei Tan
Sep 4, 2014·Asian Pacific Journal of Tropical Biomedicine·Yu Hua WongKar Lin Nyam
Apr 22, 2015·Journal of Food Science and Technology·Surashree Sen Gupta, Mahua Ghosh
Apr 23, 2015·Asian Pacific Journal of Tropical Medicine·Ng Shy KaiNyam Kar Lin

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Citations

Dec 20, 2019·Applied Biochemistry and Biotechnology·Tzung-Han ChouJia-Yaw Chang

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Methods Mentioned

BETA
scanning electron microscopy

Software Mentioned

Minitab

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