Immobilized Rhizopus oryzae lipase catalyzed synthesis of palm stearin and cetyl alcohol wax esters: Optimization by Response Surface Methodology
2011

Synthesis of Wax Esters from Palm Stearin and Cetyl Alcohol

publication Evidence: high

Author Information

Author(s): Sellami Mohamed, Aissa Imen, Frikha Fakher, Gargouri Youssef, Miled Nabil

Primary Institution: Laboratoire de Biochimie et de Génie Enzymatique des Lipases, ENIS, Université de Sfax, Tunisia

Hypothesis

The study aims to optimize the synthesis of wax esters from palm stearin and cetyl alcohol using immobilized Rhizopus oryzae lipase.

Conclusion

The study successfully identified optimal conditions for synthesizing palm stearin-based wax esters, achieving a high conversion yield of 98.52%.

Supporting Evidence

  • The optimal conditions for synthesis were found to be 30°C, 300 IU/mL enzyme concentration, a molar ratio of 3, and a substrate concentration of 0.21 g/mL.
  • A high conversion yield of 98.52% was achieved within 2 hours of reaction time.
  • Response surface methodology effectively determined the optimum operational conditions for the synthesis process.

Takeaway

Scientists found a way to make wax from palm oil and alcohol that works really well and is cheaper than natural sources.

Methodology

The study used response surface methodology to optimize the synthesis conditions, including temperature, enzyme concentration, molar ratio, and substrate concentration.

Statistical Information

P-Value

0.0016

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1472-6750-11-68

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