Enzymic pre-treatment of Guevina avellana mol oil extraction by pressing

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Abstract

Cosmetic oil of Guevina avellana mol is industrially extracted by cold pressing, producing a residual meal with 10-12% on dry base of oil, which spoils, limiting its application for human consumption. An enzymic pre-treatment was incorporated into the conventional oil extraction process by cold pressing, with the purpose of improving the oil yield and the residual meal quality. The effect of enzyme/substrate ratio, temperature and moisture was analysed during hydrolysis using two commercial enzyme mixtures. Pressing conditions during this stage were also studied. An increase in extracted oil was obtained for both enzymic mixtures. The best result was a yield up to 98% of extracted oil and residual meal with 1.5% of oil. An oil extraction yield up to 98% and a residual meal with 1.5% of oil. This result was further validated in an industrial plant scale.

Original languageEnglish
Pages (from-to)51-57
Number of pages7
JournalProcess Biochemistry
Volume39
Issue number1
DOIs
StatePublished - 30 Sep 2003

Keywords

  • Enzyme oil assisted process
  • Enzymic oil extraction
  • Guevina avellana mol
  • Mechanical oil extraction
  • Oil extraction by pressing
  • Pharmaceuticals oil

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