Abstract
Films made of thermoplastic starch indicate the potential for usage as packaging materials. These films' mechanical qualities, however, are poor. Therefore, the purpose of this research was to determine how different plasticizer concentrations, such as glycerol, in starch, affected the physical and mechanical characteristics of the films. By using the solution casting process, 3 wt.% mango seed starch was produced and combined with 5―30 wt.% glycerol. The addition of 5 wt.% glycerol contributed by the well-dispersed starch molecules was found to increase the film's tensile strength (TS) to 3.26 MPa as shown by scanning electron microscopy (SEM). In mango seed starch, more glycerol addition lowers the TS but considerably raises the elongation at break (E%). Additionally, the glycerol-plasticized mango seed starch films showed greater solubility when the glycerol content was increased. The mechanical characteristics of mango seed starch films changed significantly depending on the amount of glycerol present for use in packaging.
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