Preparation of antibacterial poly(lactide)/poly(butylene adipate-co-terephthalate) composite films incorporated with grapefruit seed extract

source extracted confidence: high 2026-04-09
#anti-bacterial-agents #citrus-paradisi #escherichia-coli #food-packaging #listeria-monocytogenes

Preparation of antibacterial poly(lactide)/poly(butylene adipate-co-terephthalate) composite films incorporated with grapefruit seed extract

Shankar et al., 2018 | Int J Biol Macromol | Other

Citation

Shankar Shiv, Rhim Jong-Whan. Preparation of antibacterial poly(lactide)/poly(butylene adipate-co-terephthalate) composite films incorporated with grapefruit seed extract. Int J Biol Macromol. 2018-Dec;120(Pt A):846-852. doi:10.1016/j.ijbiomac.2018.09.004

Abstract

Antimicrobial poly(lactide) (PLA)/poly(butylene adipate-co-terephthalate) (PBAT) blend films incorporated with grapefruit seed extract (GSE) were prepared using a solvent casting method. Effect of GSE on the morphological, water vapor barrier, thermostability, color, optical, and antimicrobial properties of PLA/PBAT composite films was investigated. The composite films showed a yellowish tint after incorporation of GSE and exhibited a high UV-light barrier property. Incorporation of GSE increased the flexibility and tensile strength of the composite films. Films incorporated with 7 wt% of GSE exhibited potent antibacterial activity against Listeria monocytogenes, but they showed only bacteriostatic activity against Escherichia coli. The PLA/PBAT-GSE composite film with UV-light barrier and antibacterial properties has a high potential for an active food packaging application.

Key Findings

The PLA/PBAT-GSE composite film with UV-light barrier and antibacterial properties has a high potential for an active food packaging application.

Outcomes Measured

  • Requires manual extraction

Population

Field Value
Population See abstract
Sample Size See abstract
Age Range See abstract
Condition See abstract

MeSH Terms

  • Anti-Bacterial Agents
  • Citrus paradisi
  • Escherichia coli
  • Food Packaging
  • Listeria monocytogenes
  • Plant Extracts
  • Polyesters
  • Seeds
  • Tensile Strength
  • X-Ray Diffraction

Evidence Classification

  • Level: Other
  • Publication Types: Journal Article
  • Vertical: grapefruit-seed

Provenance

Source extracted via PubMed E-utilities API on 2026-04-12