Improved viability and thermal stability of the probiotics encapsulated in a novel electrospun fiber mat
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Authors
Feng, Kun
Zhai, Meng Yu
Zhang, Ying
Linhardt, Robert J.
Zong, Min Hua
Li, Lin
Wu, Hong
Issue Date
2018-10-17
Type
Article
Language
ENG
Keywords
Biology , Chemistry and chemical biology , Chemical and biological engineering , Biomedical engineering
Alternative Title
Abstract
For the enhancement of the probiotics' survivability, a nanostructured fiber mat was developed by electrospinning. The probiotic Lactobacillus plantarum was encapsulated in the nanofibers with fructooligosaccharides (FOS) as the cell material. Fluorescence microscope image and scanning electron microscopy (SEM) showed that viable cells were successfully encapsulated in nanofibers (mean diameter = 410 ± 150 nm), and the applied voltage had no significant influence on their viability ( P > 0.05). A significantly improved viability (1.1 log) was achieved by incorporating 2.5% (w/w) of FOS as the electrospinning material ( P < 0.001). Additionally, compared with free cells, the survivability of cells encapsulated in electrospun FOS/PVA/ L. plantarum nanofibers was significantly enhanced under moist heat treatment (60 and 70 °C). This study shows that the obtained nanofiber is a feasible entrapment structure to improve the viability and thermal stability of encapsulated probiotic cells and provides an alternative approach for the development of functional food.
Description
Journal of Agricultural and Food Chemistry, 66, 10890−10897
Note : if this item contains full text it may be a preprint, author manuscript, or a Gold OA copy that permits redistribution with a license such as CC BY. The final version is available through the publisher’s platform.
Note : if this item contains full text it may be a preprint, author manuscript, or a Gold OA copy that permits redistribution with a license such as CC BY. The final version is available through the publisher’s platform.
Full Citation
Improved viability and thermal stability of the probiotics encapsulated in a novel electrospun fiber mat, K Feng, M Zhai, Y Zhang, RJ Linhardt, M Zong, L Li, H. Wu, Journal of Agricultural and Food Chemistry, 66, 10890−10897, 2018.
Publisher
Terms of Use
Journal
Volume
Issue
PubMed ID
DOI
ISSN
15205118
218561
218561