17th International Fiber and Polymer Research Symposium

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Influence of Essential Oil on the Properties of UV-Crosslinked Polyacrylamide/Sodium Caseinate (PAAM/SC) Hydrogels

Authors :

Ahmetcan Gün¹ Azra Albayrak² Fatmanur Parın³ Recep İlhan⁴ Uğur Parın⁵

1- Bursa Technical University 2- Bursa Technical University 3- Bursa Technical University 4- Bursa Technical University 5-

Keywords :

Sodium Caseinate (SC)،Polyacrylamide (PAAM)،Orange Blassom Essential Oil

Abstract :

Presently, numerous studies have shown that hydrogels can help with wound healing in a variety of approaches. Oil-loaded protein-based hydrogels were fast produced via free radical photopolymerization (UV crosslinking). The water phase consisted of sodium caseinate polymer and acrylamide monomer, whereas the oil phase included orange blossom essential oil (OBEO). The bio-based surfactant β-cyclodextrin (β-CD) stabilized oil loaded-hydrogels. β-CD/OBEO complexes in specific proportions (1:1, 1:2, and 1:4) was added to water phase. ATR-FT-IR confirms the functional groups in hydrogels. The hydrogels have a swelling ratio above 280 % for 24 h. The maximum compression strength for hydrogels with (β-CD/OBEO, 1:2) is almost 1 MPa. All oil-loaded hydrogels showed antibacterial efficiency against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus), with inhibition zones of 6-10 mm. According to the findings, the synthesized hydrogels can be used as wound dressings in wound healing applications. Keywords: Polyacrylamide/sodium caseinate hydrogels, β-CD, orange blossom essential oil (OBEO), compression test, antibacterial efficiency.