Antibacterial Effect of Various Essential Oils against Pathogens and Spoilage Microorganisms in Fresh Produce

Hyun, Joo-Seok; Bae, Young‐Min; Song, Hana; Yoon, Jae‐Hyun; Lee, Sun-Young

doi:10.1111/jfs.12162

Cited by 16 publications

(12 citation statements)

References 57 publications

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“…Our results of the antimicrobial assay of Algerian thyme essential oils corroborated earlier studies that described the powerful antimicrobial effects of T. vulgaris oil (20). The reported inhibition zone diameters for E. coli ATCC 25922, P. aeruginosa ATCC 27853 and C. albicans ATCC 10231 were 30.67 mm, 14 mm and 25.74 mm, respectively.…”

Section: Discussionsupporting

confidence: 90%

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Chemical composition, antimicrobial and cytotoxic activity of essential oils of Algerian Thymus vulgaris L.

Abdelli¹,

Sysak²,

Bahri³

et al. 2019

Acta Poloniae Pharmaceutica - Drug Research

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Antimicrobial drugs are highly popular in the treatment of infectious diseases and particularly nosocomial infections. However, excessive microbial exposure to drugs has become the most important factor triggering the emergence and spread of multidrug resistance (MDR) of microorganisms (1). This phenomenon has become a pressing global problem for two reasons. Firstly, it increases morbidity and mortality rates and treatment costs. Secondly, it limits the effectiveness of existing drugs and enhances the number of treatment failures (2). Furthermore, in the last few decades, cancer has become one of the most fiercely combated diseases around the world (3). Synthetic drugs are often the only option for cancer chemotherapy (4). However, most of them kill not only tumor cells but also the normal ones (5). Therefore, there is an urgent need for new treatments with few side effects. The use of medicinal plants and especially their secondary metabolites, essential oils (EOs), may pose a viable alternative. Thymus vulgaris L., known as common thyme (Lamiaceae family), is a perennial herb indigenous to the Mediterranean region, Asia, Southern Europe and North Africa (6). It is widely used in folk medicine and also in the food industry as a spice and natural preservative. Its oil is among the top 10 EOs exhibiting various biological activities (7) mainly due to phenols, e.g. thymol and carvacrol (8). This considerable potential of thyme oil encouraged us to analyze its chemical structure by GC-FID and GC-MS and verify its antimicrobial activity against seven reference strains responsible for nosocomial infections. We also assessed its cyto

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Section: Discussionsupporting

confidence: 90%

“…They are highly similar to ours regarding the two bacteria, but yeast turned out to be much less sensitive. Another study (20) showed a halo diameter as large as that obtained for our EOs for B. cereus ATCC 10876 (> 45 mm). Furthermore, the susceptibility of Proteus sp.…”

Section: Discussionsupporting

confidence: 53%

Chemical composition, antimicrobial and cytotoxic activity of essential oils of Algerian Thymus vulgaris L.

Abdelli¹,

Sysak²,

Bahri³

et al. 2019

Acta Poloniae Pharmaceutica - Drug Research

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“…The ethanol and hexane extracts were reconstituted in 0.05% of Tween 80 separately, and this was with slight modifications to the method employed by Hyun et al (2015). The sliced cuts of Citrullus lanatus were dipped into the solution for 10 minutes and later transferred and packaged in nylon films.…”

Section: Application Of the Extracts To Fresh Cuts Of Citrullus Lanatusmentioning

confidence: 99%

Bio-preservation Potential of Leaf Extracts of <i>Ocimum gratissimum L.</i> on Fresh-Cut Fruits of <i>Citrullus lanatus</i> (Thunb)

Ebabhi¹,

Adeogun²,

Adekunle³

et al. 2019

Journal of Applied Sciences and Environmental Management

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This study was conducted to assess the retail market edibility quality of Citrullus lanatus fresh-cut fruits enhanced with the extracts from the leaves of Ocimum gratissimum. Analytical graded ethanol and hexane were used to extract O. gratissimum leaves differently. The fresh-cut fruits were dipped in the extract obtained from the leaves and reconstituted with Tween 80, fruits treated with Tween 80 and untreated fruits were used as controls. The treated fruits with the extracts, fruits treated with Tween 80 and fruits without treatment were analysed for quality test using the following parametres: carotenoids, ascorbic acids, total phenolic acid, pH, total soluble solids, microbial loads and moisture contents at day 0 and at an interval of 3, 5 and 9 days. The quantitative estimations of the phytochemicals in the extracts were determined and the constituents in the essential oil of the hexane extracts were established with the use of GC-MS system, and the data generated from the study were analysed with SPSS 20.0. This study showed that there was lower reduction in moisture content, pH, ascorbic acid and potential browning values of the treated fresh-cut fruits of C. lanatus, compared to higher reduction in untreated and tween 80 treated fresh-cut fruits during the storage intervals for nine days. The treated fresh-cut fruits had higher Brix values of TSS, total phenolic acid and carotenoids contents, compared with the untreated fresh-cut fruit, which was low during the period of storage for nine days. The microbial loads in the untreated fresh-cut fruit of C. lanatus were higher than what was obtained in the treated fresh-cut fruits of C. lanatus after nine days of storage. The yield of Alkaloids from ethanol and hexane extracts were 54.25±0.09 mg/ 100g and 51.86±0.06 mg/ 100g respectively. γ-Terpinene (17.21 %) and (E)-9-Octadecenoic acid (11.848 %) had the highest percentage composition of phytoconstituents present in the essential oil from Citrullus lanatus. This study was able to establish the preservation potential of Ocimum gratissiumum on fresh-cut fruits of Citrullus lanatus.

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“…Vegetables are an important part of a balanced and healthy diet (Mediterranean diet) and minimally processed foods such as ready-to-eat salads have become more and more popular because they are a healthy, nutritional, and convenient choice among consumers (Olaimat & Holley, 2012;Vandekinderen et al, 2008). Among minimally processed vegetables, shredded carrots are particularly popular; however, they are perishable products and can be contaminated throughout the food chain Hyun, Bae, Song, Yoon, & Lee, 2015). Besides ensuring shredded carrots shelf-life extension, there is also a growing interest of researchers and consumers to keep and enhance produce's bioactive composition, which is mostly arise from the presence of antioxidants, especially phenolic compounds.…”

Section: Introductionmentioning

confidence: 99%

“…The EOs and plant extracts are derived from various plant materials as leaves, flowers, fruits, roots, shoots, and seeds (Burt, 2004). The biocidal activity of EOs and plant extracts is well known, however, the way of application and concentration levels needed to be examined for each commodity (Chrysargyris et al, 2017;Hyun, Bae, Song, et al, 2015;Stavropoulou et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Mint and pomegranate extracts/oils as antibacterial agents against Escherichia coli O157:H7 and Listeria monocytogenes on shredded carrots

Xylia

Chrysargyris

Botsaris

et al. 2017

Journal of Food Safety

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Among minimally processed vegetables, shredded carrots are particularly popular. The aim of this study was to evaluate the antimicrobial activity of different washing treatments with aqueous solutions of mint essential oil (EO) (1:1000), mint hydrosol (1:10), and pomegranate juice (1:10) against two major foodborne pathogens on shredded carrots as well as their effect on carrot's quality. The results of this study indicate that the tested washing treatments resulted in a small but significant decrease of the microbial load of Escherichia coli and Listeria monocytogenes on the sixth day of storage. Pomegranate juice and mint hydrosol were more effective against L. monocytogenes, whereas mint EO was more effective against E. coli. Furthermore, an increase in carrot's total phenolics and antioxidants was observed with the application of mint hydrosol and pomegranate juice, whereas mint EO resulted in a decrease on the sixth day of storage. Additionally, a decreased chroma of the shredded carrots were observed during the application of mint hydrosol on the sixth day. Total carotenoids, ascorbic acid, total soluble solids, and tritratable acidity were not differing after six days of storage of shredded carrots. These washing products can be used for the partial disinfection of shredded carrots. Practical applicationsPomegranate and mint natural products solution can be used for the partial disinfection of minimally processed fresh produce as an alternative to chlorine, and these products can be a part of the sanitation process.

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Antibacterial Effect of Various Essential Oils against Pathogens and Spoilage Microorganisms in Fresh Produce

Cited by 16 publications

References 57 publications

Chemical composition, antimicrobial and cytotoxic activity of essential oils of Algerian Thymus vulgaris L.

Chemical composition, antimicrobial and cytotoxic activity of essential oils of Algerian Thymus vulgaris L.

Bio-preservation Potential of Leaf Extracts of <i>Ocimum gratissimum L.</i> on Fresh-Cut Fruits of <i>Citrullus lanatus</i> (Thunb)

Mint and pomegranate extracts/oils as antibacterial agents against Escherichia coli O157:H7 and Listeria monocytogenes on shredded carrots

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