Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5569
Title: Olive leaf extract as a crosslinking agent for the preparation of electrospun zein fibers
Authors: Erdoğan, İpek
Demir, Merve
Bayraktar, Oğuz
Erdoğan, İpek
Demir, Merve
Keywords: Crosslinking
Electrospinning
Fibers
Issue Date: Jan-2015
Publisher: John Wiley and Sons Inc.
Source: Erdoğan, İ., Demir, M., and Bayraktar, O. (2015). Olive leaf extract as a crosslinking agent for the preparation of electrospun zein fibers. Journal of Applied Polymer Science, 132(4). doi:10.1002/app.41338
Abstract: Incorporating active agents, reinforcing structure by crosslinking, thus changing release properties, can be listed as possible modifications in preparation methods of biopolymer fibers. This study introduces oleuropein, major component of olive leaf extract (OLE), as a natural functional crosslinker for electrospun zein fibers, owing to its antioxidant and antimicrobial properties. Incorporation of OLE causes morphological and structural changes indicated by a decrease in fiber diameter up to 27%, an increase in intensity of NH bending region due to interaction with -OH groups and observation of characteristic oleuropein bands. Extract addition also enhances thermal stability. Zein fibers without OLE is fully degraded at 600C, whereas 10% of OLE loaded zein fibers is left undegraded. Fifty percent of initial phenolic content loaded into fibers is released which indicate the effect of OLE incorporation as accumulation of oleuropein. OLE-incorporated fibers immersed in PBS are less fused than pure zein fibers, due to the crosslinking effect.
URI: http://doi.org/10.1002/app.41338
http://hdl.handle.net/11147/5569
ISSN: 0021-8995
1097-4628
Appears in Collections:Bioengineering / Biyomühendislik
Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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