Article (Scientific journals)
Waste soybean frying oil for the production, extraction, and characterization of cell-wall-associated lipases from Yarrowia lipolytica.
Nunes, Patrícia M. B.; Fraga, Jully L.; Ratier, Rafael B. et al.
2021In Bioprocess and Biosystems Engineering
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Keywords :
Cell-wall-associated enzyme; Lipases; Waste frying oil; Yarrowia lipolytica
Abstract :
[en] The lipolytic yeast Yarrowia lipolytica produces cell-wall-associated lipases, namely Lip7p and Lip8p, that could have interesting properties as catalyst either in free (released lipase fraction-RLF) or cell-associated (cell-bound lipase fraction-CBLF) forms. Herein, a mixture of waste soybean frying oil, yeast extract and bactopeptone was found to favor the enzyme production. Best parameters for lipase activation and release from the cell wall by means of acoustic wave treatment were defined as: 26 W/cm(2) for 1 min for CBLF and 52 W/cm(2) for 2 min for RLF. Optimal pH and temperature values for lipase activity together with storage conditions were similar for both the free enzyme and cell-associated one: pH 7.0; T = 37 °C; and > 70% residual activity for 60 days at 4, - 4 °C and for 15 days at 30 °C.
Disciplines :
Biotechnology
Author, co-author :
Nunes, Patrícia M. B.
Fraga, Jully L.
Ratier, Rafael B.
Rocha-Leão, Maria Helena M.
Brígida, Ana I. S.
Fickers, Patrick ;  Université de Liège - ULiège > Département GxABT > Microbial, food and biobased technologies
Amaral, Priscilla F. F.
Language :
English
Title :
Waste soybean frying oil for the production, extraction, and characterization of cell-wall-associated lipases from Yarrowia lipolytica.
Publication date :
2021
Journal title :
Bioprocess and Biosystems Engineering
ISSN :
1615-7591
eISSN :
1615-7605
Publisher :
Springer, Germany
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 23 February 2021

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