Acidolysis of terebinth fruit oil with palmitic and caprylic acids in a recirculating packed bed reactor: optimization using response surface methodology

Authors

  • D. Koçak Yanık Department of Food Engineering, Faculty of Engineering, University of Gaziantep
  • H. Keskin Department of Food Engineering, Faculty of Engineering, University of Gaziantep
  • S. Fadıloğlu Department of Food Engineering, Faculty of Engineering, University of Gaziantep
  • F. Göğüş Department of Food Engineering, Faculty of Engineering, University of Gaziantep

DOI:

https://doi.org/10.3989/gya.0633152

Keywords:

Caprylic acid, Palmitic acid, Pistaciaterebinthus L., Response surface methodology, Structured lipid

Abstract


The acidolysis reaction of terebinth fruit oil with caprylic and palmitic acid has been investigated. The reaction was catalyzed by lipase (Lipozyme IM from Rhizomucormiehei) and carried out in recirculating packed bed reactor. The effects of reaction parameters have been analyzed using response surface methodology. Reaction time (3.5–6.5 h), enzyme load (10–20%), substrate flow rate (4–8 mL·min-1) and substrate mole ratios (Terebinth oil : Palmitic acid : Caprylic acid, 1:1.83:1.22–1:3.07:2.05) were evaluated. The optimum reaction conditions were 5.9 h reaction time, 10% enzyme load, 4 mL·min-1 substrate flow rate and 1:3.10:2.07 substrate mole ratio. The structured lipid obtained at these optimum conditions had 52.23% desired triacylglycerols and a lower caloric value than that of terebinth fruit oil. The melting characteristics and microstructure of the structured lipid were similar to those of commercial margarine fat extracts. The results showed that the structured lipid had the highest oxidative stability among the studied fats.

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Published

2016-06-30

How to Cite

1.
Koçak Yanık D, Keskin H, Fadıloğlu S, Göğüş F. Acidolysis of terebinth fruit oil with palmitic and caprylic acids in a recirculating packed bed reactor: optimization using response surface methodology. Grasas aceites [Internet]. 2016Jun.30 [cited 2024Mar.28];67(2):e131. Available from: https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1597

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Research