Cited by 48Nanocomposite Films for Food PackagingNatural Fiber Reinforced CompositesEssential Oils and Antimicrobial Activity

Bioactive starch foam composite enriched with natural antioxidants from spent coffee ground and essential oil

Abstract

Starch foam composites containing extracted spent coffee ground and 10 wt% of spent coffee ground (SFE‐10) are prepared by compression molding. Four to ten weight percent of oregano essential oil (OEO) is added to the SFE‐10. Characterization by ATR‐FTIR and total phenolic assay confirms that bioactive compounds of OEO, spent coffee ground (SCG), and extracted spent coffee ground (ex‐SCG) penetrate into the samples. The minimum inhibitory concentration against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) is investigated in SFE‐10 incorporated 8 wt% OEO. Synergism in antibacterial activity is also achieved from the starch foam incorporated combination of OEO, SCG, and ex‐SCG. The kinetics of polyphenol release in food simulants are observed, and the release rate increases when the polarity of aqueous simulants decreased. The water resistance of the samples improves with increasing OEO content, whereas the biodegradability and flexural strength slightly decrease. Based on the results, SFE‐10 containing OEO has a good potential for application as a bioactive packaging to preserve and maintain the quality of food.

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Crossref · 10.1002/star.201700238

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54 of 54 references verified0 citation errors · 0 not checkable

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  1. ASTM D 790: Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials American Society for Testing and Materials West Cohshohocken PA USA 2008 08 pp. 151–161.

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Authors
Trongchuen, K., Ounkaew, A., Kasemsiri, P., Hiziroglu, S., Mongkolthanaruk, W., Wannasutta, R., Pongsa, U., & Chindaprasirt, P.
Affiliations
  • Khon Kaen University (TH)
  • Department of Natural Resource Ecology and Management Oklahoma State University Stillwater OK 74078 USA
  • Rajamangala University of Technology Rattanakosin (TH)
Corresponding author
Kasemsiri, Pornnapa
Venue
Starch - Stärke
Publisher
Wiley
Published
2018-03-05
Volume
70
Issue
7-8
ISSN
  • 0038-9056 (ISSN-L)
  • 1521-379X
OpenAlex
W2772843486
Cited by
48
References
54
Citations by year
2026: 3 · 2025: 5 · 2024: 5 · 2023: 8 · 2022: 13 · 2021: 6 · 2020: 4 · 2019: 3 · 2018: 1
FWCI
0.79
Type
journal article
Language
en
Open access
closed
Locations
Starch - Stärke (publishedVersion)
Funders
  • Khon Kaen University
  • National Research Council of Thailand
Topics
  • Physical Sciences › Materials Science › Biomaterials › Nanocomposite Films for Food Packaging
  • Physical Sciences › Materials Science › Polymers and Plastics › Natural Fiber Reinforced Composites
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Essential Oils and Antimicrobial Activity
Keywords
spent coffee grounds, oregano essential oil, natural antioxidants, polyphenol release, antibacterial activity, Escherichia coli, Staphylococcus aureus, synergistic antibacterial activity, bioactive packaging, food simulants, water resistance, biodegradability, flexural strength, food preservation

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