Date of Award
2020
Document Type
Thesis
Degree Name
Master of Science (MS)
Department
Nutrition and Food Sciences
First Advisor
Mingruo Guo
Abstract
Tissue adhesives have been widely used in surgical procedures. Compared to traditional surgical sutures, tissue adhesives provide fast bonding experiences and full closure of wounds. However, current tissue adhesives are mostly fossil-based synthetic products. Therefore, it is of great significance to explore the use of natural polymers in tissue adhesives. Whey is a low-end byproduct of cheese making. Whey protein consists of a group of small globular proteins. They can exhibit adhesive properties if their structures are modified by physical or chemical means. The objectives of this study were to investigate the formulation and functional properties of whey protein based tissue adhesive with an antimicrobial agent, totarol. Whey protein isolate (WPI) solutions (25-33% protein) were mixed with different levels (0.1%-0.3%, v/v) of totarol. The total plate counts and yeast and mold counts in the mixtures were negative except the control and the low dosage of totarol. The lap-shear bonding strength was tested after the WPI-totarol solutions were mixed with the crosslinking agent. The lap-shear bonding strength of the optimal tissue adhesive was about 20 kPa, which is comparable to that of a commercial BioGlue®. The microstructures of the mixtures were also examined by Scanning Electron Microscopy (SEM).
Language
en
Number of Pages
41 p.
Recommended Citation
Hou, Yifan, "Formulation And Functional Properties Of Whey Protein Based Tissue Adhesive Using Totarol As An Antimicrobial Agent" (2020). Graduate College Dissertations and Theses. 1202.
https://scholarworks.uvm.edu/graddis/1202