Object's details: Development of a Continuous System for 2-Phenylethanol Bioproduction by Yeast on Whey Permeate-Based Medium

Provider:Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

Description

Title:
Development of a Continuous System for 2-Phenylethanol Bioproduction by Yeast on Whey Permeate-Based Medium
Creator:
Drężek, Karolina;
Kozłowska, Joanna;
Detman, Anna;
Mierzejewska, Jolanta
Description:
2-Phenylethanol (2-PE) is an alcohol with a rosy scent and antimicrobial activity, and therefore, it is widely used in the food and cosmetic industries as an aroma and preservative. This work was aimed to draw up a technology for 2-PE bioproduction on whey permeate, which is waste produced by the dairy industry, rich in lactase and proteins. Its composition makes it a harmful waste to dispose of; however, with a properly selected microorganism, it could be converted to a value-added product. Herein, two yeast Kluyveromyces marxianus strains and one Kluyveromyces lactis, isolated from dairy products, were tested for 2-PE production, firstly on standard media and then on whey permeate based media in batch cultures. Thereafter, the 2-PE bioproduction in a continuous system in a 4.8 L bioreactor was developed, and subsequently, the final product was recovered from culture broth. The results showed that the yield of 2-PE production increased by 60% in the continuous culture compared to batch culture. Together with a notable reduction of chemical oxygen demand for whey permeate, the present study reports a complete, effective, and environmentally friendly strategy for 2-PE bioproduction with a space-time yield of 57.5 mg L−1 h−1.
Object availability:
free access
Date:
2021.12.06
Type:
Article;
PeerReviewed
Language:
English
Format:
application/pdf
Publisher:
MDPI
Relation: http://eprints.ibb.waw.pl/2124 ;https://www.mdpi.com/1420-3049/26/23/7388 ;https://doi.org/10.3390/molecules26237388
Subject:
QD Chemistry;
QR Microbiology;
TP Chemical technology
Identifier: http://eprints.ibb.waw.pl/2124/1/Drezek_2021.pdf ;
Drężek, Karolina and Kozłowska, Joanna and Detman, Anna and Mierzejewska, Jolanta (2021) Development of a Continuous System for 2-Phenylethanol Bioproduction by Yeast on Whey Permeate-Based Medium. Molecules, 26 (7388). ISSN 1420-3049
Data provider:
Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

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