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Yeast Yarrowia lipolytica as a biofactory for the production of lactone-type aroma gamma-decalactone using castor oil as substrate

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Abstract

The Gamma-decalactone (γ-DL) molecule that gives foods the certified natural peach flavor can be produced by microbial biotechnology. This method, validated and approved by the US-Food and Drug Administration, has occupied an important place in research in recent years, due to the growing interest of consumers and industry in natural products. In the current study, we were interested in investigating the potential of yeast Y. lipolytica L2 KF156787 with its ability to produce γ- -decalactone by biotransformation of castor oil through batch cultivation in flasks and a bioreactor. The strain showed a high ability to hydrolyze the carbon substrate and to grow in the fermentation medium. Meanwhile, the cells changed their morphological properties from the yeast-like shape to pseudo-mycelial and mycelial and tended to aggregate cells, suggesting its feasibility and suitability for biotransformation processes. On the same boat, the strain was able to accumulate flavor compound (γ-DL) in the biotransformation medium with an intense oily-peachy aroma in the amount of about 460 mg L(−1) extracted after 5 days of cultivation, making the Y. lipolytica L2 KF156787 strain valuable from a nutritional point of view. Strain L2 KF156787 can be used as a source for natural aroma γ-DL production as well as industrial-scale continuous production development of this flavor compound.

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Abbreviations

γ-DL:

γ-Decalactone

GRAS:

Generally recognized as safe

U-FDA:

S-food and drug administration

4HDA:

4-Hydroxydecanoic acid

PCO:

Peptone–castro-oïl

RA:

Ricinoleic acid

YPD:

Yeast extract–peptone-dextrose

LLE:

Liquid–liquid extraction

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Acknowledgements

The authors would like to express their thanks to the research group of Biotechnology Research Center (CRBt) and Laboratory for Obtaining Therapeutic Substances (LOST), Université Fréres Mentouri-Constantine1, Algeria) for providing materials for carrying out this research work.

Funding

This research did not receive any specific grant.

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Authors

Contributions

WNAM: Conceptualization, Methodology, Formal analysis, Data curation, Validation, Visualization, Writing—review and editing. DNB helped in Designing this research plan, Validation, Data curation, review and editing. AS, RM, YI, ZK helped in the research Experiments, Formal analysis, Visualization. LE guided WNAM and helped in the final manuscript preparation. AB: Read, Investigation, and approved the final manuscript.

Corresponding author

Correspondence to Doria Naila Bouchedja.

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AL Mualad, W.N.A., Bouchedja, D.N., Selmania, A. et al. Yeast Yarrowia lipolytica as a biofactory for the production of lactone-type aroma gamma-decalactone using castor oil as substrate. Chem. Pap. 76, 7715–7728 (2022). https://doi.org/10.1007/s11696-022-02435-2

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  • DOI: https://doi.org/10.1007/s11696-022-02435-2

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