Journal
JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION
Volume 11, Issue 4, Pages 1706-1716Publisher
SPRINGER
DOI: 10.1007/s11694-017-9551-0
Keywords
Antimicrobial packaging; Lauroyl arginate ethyl; Strawberries; Storage
Categories
Funding
- Rural Development Administration (RDA), Republic of Korea
- Cooperative Research Program for Agricultural Science & Technology Development [PJ010507052016]
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Low-density polyethylene (LDPE) films were supplemented with lauroyl arginate ethyl (LAE) and characterized for physical, mechanical and antimicrobial properties as well as their use for fresh 'Sulhyang' strawberries packaging. LAE powder was added into the LDPE films at 0, 1, 3, 5, and 10% (w/w) and assessed for physical properties, gas permeation, thickness and color values. The results showed that incorporation of LAE into the LDPE matrix did not affect film thickness and color. The thermal stability of the LAE/LDPE film decreased with increasing concentrations of LAE. The LAE/LDPE film exhibited a rough surface and compact structure. Tensile strength were affected by addition of LAE on the other hand value of elongation at break were increased. The LAE/LDPE containing 5 and 10% LAE showed significant antimicrobial properties against mycelium growth. Further, 5 and 10% LAE/LDPE films were used for storage study and it showed that incorporation of LAE into LDPE film was an effective method for maintaining the quality of strawberries. Films containing LAE were very effective at reducing the total weight loss, maintaining firmness, and reduced fungal decay compared to the control strawberries at 10 degrees C. These results suggest that LAE/LDPE films are potential candidates for advanced packaging materials for the fruits packaging application.
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