Edible films containing carvacrol and cinnamaldehyde inactivate Escherichia coli O157:H7 on organic leafy greens in sealed plastic bags

Libin Zhu, Carl Olsen, Tara McHugh, Mendel Friedman, Carol E. Levin, Divya Jaroni, Sadhana Ravishankar

Research output: Contribution to journalArticle

Abstract

The antimicrobial effects of apple-, carrot-, and hibiscus-based edible films containing carvacrol and cinnamaldehyde against Escherichia coli O157:H7 on organic leafy greens in sealed plastic bags were investigated. Fresh-cut Romaine and Iceberg lettuce, and mature and baby spinach leaves were inoculated with E. coli O157:H7 and placed into Ziploc® bags. Edible films were then added to the bags, which were stored at 4°C. The evaluation of samples taken at days 0, 3, and 7 showed that on all leafy greens, 3% carvacrol-containing films had the greatest effect against E. coli O157:H7, reducing the bacterial population by about 5 log CFU/g on day 0. All three types of 3% carvacrol-containing films reduced E. coli O157:H7 by about 5 log CFU/g at day 0. The 1.5% carvacrol-containing films reduced E. coli O157:H7 by 1–4 logs CFU/g at day 7. Films with 3% cinnamaldehyde showed reduction of 0.6–3 logs CFU/g on different leafy greens.

Original languageEnglish (US)
Article numbere12758
JournalJournal of Food Safety
DOIs
StateAccepted/In press - Jan 1 2020

Fingerprint

Escherichia coli O157
edible films
plastic bags
carvacrol
green leafy vegetables
Plastics
bags
Hibiscus
romaine lettuce
Ice Cover
Lactuca sativa var. capitata
Lettuce
Daucus carota
Spinacia oleracea
Malus
anti-infective properties
spinach
carrots
apples
cinnamic aldehyde

ASJC Scopus subject areas

  • Parasitology
  • Food Science
  • Microbiology

Cite this

Edible films containing carvacrol and cinnamaldehyde inactivate Escherichia coli O157:H7 on organic leafy greens in sealed plastic bags. / Zhu, Libin; Olsen, Carl; McHugh, Tara; Friedman, Mendel; Levin, Carol E.; Jaroni, Divya; Ravishankar, Sadhana.

In: Journal of Food Safety, 01.01.2020.

Research output: Contribution to journalArticle

@article{ee4afe217a284c879cca378a34b54814,
title = "Edible films containing carvacrol and cinnamaldehyde inactivate Escherichia coli O157:H7 on organic leafy greens in sealed plastic bags",
abstract = "The antimicrobial effects of apple-, carrot-, and hibiscus-based edible films containing carvacrol and cinnamaldehyde against Escherichia coli O157:H7 on organic leafy greens in sealed plastic bags were investigated. Fresh-cut Romaine and Iceberg lettuce, and mature and baby spinach leaves were inoculated with E. coli O157:H7 and placed into Ziploc{\circledR} bags. Edible films were then added to the bags, which were stored at 4°C. The evaluation of samples taken at days 0, 3, and 7 showed that on all leafy greens, 3{\%} carvacrol-containing films had the greatest effect against E. coli O157:H7, reducing the bacterial population by about 5 log CFU/g on day 0. All three types of 3{\%} carvacrol-containing films reduced E. coli O157:H7 by about 5 log CFU/g at day 0. The 1.5{\%} carvacrol-containing films reduced E. coli O157:H7 by 1–4 logs CFU/g at day 7. Films with 3{\%} cinnamaldehyde showed reduction of 0.6–3 logs CFU/g on different leafy greens.",
author = "Libin Zhu and Carl Olsen and Tara McHugh and Mendel Friedman and Levin, {Carol E.} and Divya Jaroni and Sadhana Ravishankar",
year = "2020",
month = "1",
day = "1",
doi = "10.1111/jfs.12758",
language = "English (US)",
journal = "Journal of Food Safety",
issn = "0149-6085",
publisher = "Wiley-Blackwell",

}

TY - JOUR

T1 - Edible films containing carvacrol and cinnamaldehyde inactivate Escherichia coli O157:H7 on organic leafy greens in sealed plastic bags

AU - Zhu, Libin

AU - Olsen, Carl

AU - McHugh, Tara

AU - Friedman, Mendel

AU - Levin, Carol E.

AU - Jaroni, Divya

AU - Ravishankar, Sadhana

PY - 2020/1/1

Y1 - 2020/1/1

N2 - The antimicrobial effects of apple-, carrot-, and hibiscus-based edible films containing carvacrol and cinnamaldehyde against Escherichia coli O157:H7 on organic leafy greens in sealed plastic bags were investigated. Fresh-cut Romaine and Iceberg lettuce, and mature and baby spinach leaves were inoculated with E. coli O157:H7 and placed into Ziploc® bags. Edible films were then added to the bags, which were stored at 4°C. The evaluation of samples taken at days 0, 3, and 7 showed that on all leafy greens, 3% carvacrol-containing films had the greatest effect against E. coli O157:H7, reducing the bacterial population by about 5 log CFU/g on day 0. All three types of 3% carvacrol-containing films reduced E. coli O157:H7 by about 5 log CFU/g at day 0. The 1.5% carvacrol-containing films reduced E. coli O157:H7 by 1–4 logs CFU/g at day 7. Films with 3% cinnamaldehyde showed reduction of 0.6–3 logs CFU/g on different leafy greens.

AB - The antimicrobial effects of apple-, carrot-, and hibiscus-based edible films containing carvacrol and cinnamaldehyde against Escherichia coli O157:H7 on organic leafy greens in sealed plastic bags were investigated. Fresh-cut Romaine and Iceberg lettuce, and mature and baby spinach leaves were inoculated with E. coli O157:H7 and placed into Ziploc® bags. Edible films were then added to the bags, which were stored at 4°C. The evaluation of samples taken at days 0, 3, and 7 showed that on all leafy greens, 3% carvacrol-containing films had the greatest effect against E. coli O157:H7, reducing the bacterial population by about 5 log CFU/g on day 0. All three types of 3% carvacrol-containing films reduced E. coli O157:H7 by about 5 log CFU/g at day 0. The 1.5% carvacrol-containing films reduced E. coli O157:H7 by 1–4 logs CFU/g at day 7. Films with 3% cinnamaldehyde showed reduction of 0.6–3 logs CFU/g on different leafy greens.

UR - http://www.scopus.com/inward/record.url?scp=85077903645&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85077903645&partnerID=8YFLogxK

U2 - 10.1111/jfs.12758

DO - 10.1111/jfs.12758

M3 - Article

AN - SCOPUS:85077903645

JO - Journal of Food Safety

JF - Journal of Food Safety

SN - 0149-6085

M1 - e12758

ER -