TY  - THES
TY  - BOOK
T1  - Tensile properties, heat sealability and peel strength of pectin-based edible film and package
A1  - Siti Nur Hidayah Mohd Raduan,
LA  - English
UL  - http://discoverylib.upm.edu.my/discovery/Record/589236
AB  - This project aimed to produce an innovative edible film-based packaging material against synthetic polymers, which the latter is abundantly discarded in the landfills. In this study, two types of fruit purees were used: papaya puree and pineapple puree, both produced from the shops' fruit. Commercial pectin was dissolved in distilled water, glycerol and fruit purees to produce a film-forming solution that was further cast using the solvent casting method. The fixed ratio of 1:1 of pectin to fruit purees was used to formulate a film-forming solution. Three types of film were produced, which include pectin film (control), pectin-papaya puree film, and pectin-pineapple puree film, which then undergo several testing for film characterization. The films' mechanical properties were analysed by the measurement of tensile properties (TS) and elongation at break (EAB). The results show that pectin-based edible film incorporated with papaya purees exhibits the highest tensile strength (TS) and elongation at break (EAB). This may be due to the fibrous structure of the papaya purees and matrix interaction between the materials. We have investigated the influence of heat seal parameters, such as various power levels of heat seal on the film's peel strength. Triplicate of each film being heat sealed into various power levels from level 3 to 8 was the first parameter. The results obtained show that power level 8 has the highest peel strength of the heat-sealed samples. Thus, further studies started by heat sealed film specimens with three replicate and stored in three different temperatures for seven days to determine the film's heat-sealed areas' strength. Three different temperatures include ambient, chiller, and freezer and the time of storage are the second parameter that affects the film's peel strength.
CN  - FK 2020 42
ER  -