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clove oil

Marzieh Moosavi-Nasab, Jalal Jamalian, Hana Heshmati, Soroush Haghighi-Manesh
Antifungal activity of essential oils (EOs) of Zataria multiflora (thyme) and Syzygium aromaticum (clove) against Aspergillus flavus growth and aflatoxin B1 production was studied in potato dextrose agar (PDA) and potato dextrose broth (PDB), as well as in Iranian white cheese as a food model. The results showed that the inhibitory potential of EOs in the PDB medium is more than PDA medium. Clove EO on PDB medium prevented fungal growth and aflatoxin B1 production at 300 and 100 ppm, respectively. However, the thyme EO was not able to inhibit fungal growth completely and showed the strongest inhibition effect at 400 ppm...
March 2018: Food Science & Nutrition
Mahalaxmi Pradhananga, Pratibha Manandhar
DPPH (1, 1-Diphenyl-2-Picrylhydrazyl) radical scavenging activity was performed to find out the antioxidant activity (AA) of all the antioxidants used at a concentration of 5, 10, and 15 μl/ml. Effect of spice oleoresins (clove, black pepper, and ginger) (200 ppm) and TBHQ (200 ppm) were incorporated in stabilizing refined, bleached, and deodorized (RBD) sunflower oil heating at frying temperature (170°C) and during accelerated oxidation storage (70°C) was studied in comparison to Tert-Butylhydroquinone (TBHQ)...
March 2018: Food Science & Nutrition
Angelica Plata-Rueda, Juliana Mendonça Campos, Gabriela da Silva Rolim, Luis Carlos Martínez, Marcelo Henrique Dos Santos, Flávio Lemes Fernandes, José Eduardo Serrão, José Cola Zanuncio
This study evaluated toxic effects, repellency and respiration rate caused by terpenoid constituents of cinnamon and clove essential oils and against Sitophilus granarius L. (Coleoptera: Curculionidae). The lethal concentrations (LC50 and LC90 ), repellent effect, and behavior repellency response on adults of S. granarius after exposure to six concentrations of each essential oil and terpenoids were evaluated. The chemical composition of the cinnamon oil was also determined and primary compounds were eugenol (10...
March 16, 2018: Ecotoxicology and Environmental Safety
Tiffany Schroder, Sharyn Gaskin, Kirstin Ross, Harriet Whiley
Fungal contamination of indoor air is an issue of increasing public health concern. Essential oils have been demonstrated to have antifungal capabilities, but there are limited studies investigating the efficacy of essential oils against fungi relevant to air quality. This study provides a preliminary screening of the antifungal properties of clove, lavender and eucalyptus essential oils against a range of fungal species isolated from environmental air samples. The ability of the essential oils to inhibit fungal growth was examined using the disk diffusion assay on malt extract agar and was compared with vinegar, bleach and limonene, with phenol as a positive control...
March 8, 2018: International Journal of Occupational and Environmental Health
Koroush Semnani, Masoomeh Shams-Ghahfarokhi, Mehran Afrashi, Aref Fakhrali, Dariush Semnani
Eugenol, as the major phenolic component of clove essential oil due to its desired properties in medical field, was loaded into polyacrylonitrile (PAN) nanofibers with various percentages. Our main purpose in this study was to determine the in vitro antifungal activity of eugenol loaded on PAN nanofibers against Candida albicans as the most common causative agent for candidiasis. Also, the surface morphology and the mechanical properties of nanofibers were studied by scanning electron microscope (SEM) and a tensile tester, respectively...
February 26, 2018: Current Drug Delivery
Jayalekshmi Haripriyan, Athira Omanakuttan, Nitasha D Menon, Muralidharan Vanuopadath, Sudarslal Sadasivan Nair, Ross Corriden, Bipin G Nair, Victor Nizet, Geetha B Kumar
Earlier studies from our laboratory have demonstrated that clove bud oil (CBO) attenuates expression of certain virulence factors of Pseudomonas aeruginosa PAO1. Here, we probe more deeply into the effect of CBO on four pseudomonal proteases - elastase A, elastase B, protease IV and alkaline protease - each known to play key roles in disease pathogenesis. CBO inhibited the activity of these proteases present in the bacterial culture supernatant. Zymography studies indicated that these proteases can activate host matrix metalloproteases (MMPs) to establish infection, through conversion of pro-MMP-2 to active MMP-2...
February 21, 2018: Scientific Reports
Surabhi Singh, Amlan Gupta, Deepika Sharma, Bhuvanesh Gupta
Dextran based bionanocomposite membranes encapsulating clove oil (CO) and sandalwood oil (SO) that are capable of preventing infection due to their inherent virtue of antibacterial activity and modifying the wound healing cascade for accelerated scar free healing, were developed. A facile solvent casting technique was used to fabricate dextran/nanosoy/glycerol/chitosan (DNG/Ch) nanocomposite membranes followed by subsequent addition of CO and SO to obtain DNG/Ch/CO and DNG/Ch/SO herbal nanodressings. Dressings exhibited >98% antibacterial activity against both Staphylococcus aureus (S...
February 15, 2018: International Journal of Biological Macromolecules
Niluni M Wijesundara, H P Vasantha Rupasinghe
In the present study, essential oils (EOs) extracted from oregano, sage, cloves, and ginger were evaluated for the phytochemical profile, antibacterial, and anti-biofilm activities against Streptococcus pyogenes. The broth microdilution method was used to determine the minimal inhibitory concentration (MIC) and minimal bactericidal concentration (MBC) of EOs. The minimum biofilm inhibitory concentrations (MBICs) were determined using MTT assay and fixed biofilms were observed through scan electron microscopy...
February 13, 2018: Microbial Pathogenesis
Rania K Eid, Ebtessam A Essa, Gamal M El Maghraby
The fluidity of vesicular membrane affects vesicular transdermal drug delivery. Essential oils can be located in vesicular membrane imparting flexibility and influencing transdermal delivery. Accordingly, the objective was to investigate the effect of incorporation of essential oils in niosomes on felodipine transdermal delivery. Rigid niosomes comprising Span 60 with cholesterol (2:1, w/w) were used with clove, eucalyptus or lemon oils being incorporated in the vesicles at increasing concentrations. The vesicle size and shape was monitored using scanning electron microscopy...
February 14, 2018: Pharmaceutical Development and Technology
Aline Brum, Scheila Anelise Pereira, Lucas Cardoso, Edsandra Campos Chagas, Francisco Célio Maia Chaves, José Luiz Pedreira Mouriño, Maurício Laterça Martins
Nile tilapia (Oreochromis niloticus) is the most farmed freshwater fish in the world, however, disease outbreaks are the main cause of losses in production. Due to this, there is an increasing interest in natural products for enhancing disease resistance, without causing physiological impairment. The aim of this study was to verify the effect of the essential oils of clove basil (Ocimum gratissimum) and ginger (Zingiber officinale) on physiological and immunological parameters of nile tilapia. After 35 and 55 days of supplementation (0...
January 15, 2018: Fish & Shellfish Immunology
Kelly J Figueroa-Lopez, Margarita María Andrade-Mahecha, Olga Lucía Torres-Vargas
This study focused on the development of gelatin-based films with incorporation of microcrystalline cellulose as reinforcement material. Clove (Syzygium aromaticum), nutmeg (Myristica fragrans), and black pepper (Piper nigrum) oleoresins containing antimicrobial compounds of natural origin were incorporated into the films. The mechanical, thermal, optical, and structural properties, as well as color, seal strength and permeability to water vapor, light, and oil of the films were determined. Adding oleoresins to the gelatin matrix increased the elongation of the material and significantly diminished its permeability to water vapor and oil...
January 19, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Nabil A Ibrahim, Nahed A Abd El-Ghany, Basma M Eid, Eman M Mabrouk
This study demonstrated that antibacterial cellulosic textiles can be fabricated in eco-friendly manner by grafting of monochlorotriazinyl β-cyclodextin (MCT-βCD) onto knitted and woven cotton fabrics followed by post-loading of any of the green active ingredients namely Rosemary oil, Lavender oil, Clove oil, Cinnamon oil, Aloe vera gel, Vanillin, Ag-ions, Natural Yellow 7 and Natural Red 25 dyes into the hydrophobic cavities of grafted β-CD moieties. Some of the grafted, post-loaded fabric samples were characterized by FTIR, SEM, and EDS analysis...
January 11, 2018: International Journal of Biological Macromolecules
Ahmed Abd-Rabou, Amr E Edris
BACKGROUND: Essential oils (EOs) are natural volatile plant extract that have different biological activities including antiproliferative potentials. OBJECTIVE: the current study aims at evaluating the antiproliferative activities of six EOs in their neat state compared to their nanoparticulate form after fabrication in microemulsion against some cancer cell lines. The EOs included marjoram (Origanum majorana), turmeric (Curcuma longa), sweet basil (Ocimum basillicum), clove buds (Syzygium aromaticum), geranium (plargonium graviolenis), and black cumin (Nigella sativa)...
January 10, 2018: Current Clinical Pharmacology
Ibrahim M Ibrahim, Ibrahim M Abdel Kareem, Mohammed A Alghobashy
INTRODUCTION: Palmar hyperhidrosis is of great concern to patients because of its physical, occupational, and psychological impact on quality of life. Topical clove oil has been used in many conditions due to its major component Eugenol that exerts blocking effect on nerve transmission. AIM OF THE WORK: To assess the efficacy of topical liposome incorporated clove oil in decreasing the rate of sweating among patients with idiopathic palmar hyperhidrosis. PATIENTS AND METHOD: Forty patients with palmar hyperhidrosis were treated with clove oil 45% in liposome and another twenty patients were treated as a control group with 0...
December 28, 2017: Journal of Cosmetic Dermatology
Najla Trabelsi, Stefania M Marotta, Filippo Giarratana, Amani Taamali, Mokhtar Zarrouk, Graziella Ziino, Alessandro Giuffrida
BACKGROUND: Natural compounds are more frequently used against Anisakis, responsible of an important fish borne disease, anisakidosis. The aim of the study was to evaluate the effectiveness of enriched Tunisian olive oil with different spices (Cumin, Turmeric, Clove, Thyme and Lemon) against Anisakis larvae Type 1. RESULTS: In vitro experiment: larvae were submerged separately in the above mentioned oils, and then, examined, to check viability. For each oil, LT50 and LT100 were calculated...
December 28, 2017: Journal of the Science of Food and Agriculture
L C Martínez, A Plata-Rueda, H C Colares, J M Campos, M H Dos Santos, F L Fernandes, J E Serrão, J C Zanuncio
The study identified insecticidal effects from the cinnamon and clove essential oils in Tenebrio molitor L. (Coleoptera: Tenebrionidae). The lethal concentrations (LC50 and LC90), lethal time, and repellent effect on larvae, pupae, and adults of T. molitor after exposure to six concentrations of each essential oil and toxic compounds were evaluated. The chemical composition of the cinnamon oil was also determined and primary compounds were eugenol (10.19%), trans-3-caren-2-ol (9.92%), benzyl benzoate (9.68%), caryophyllene (9...
December 14, 2017: Bulletin of Entomological Research
Satyendra Pratap Singh, Vishal Singh Chandel, Rajiv Manohar
Dielectric properties of clove oil were determined using an impedance gain phase analyzer (HP 4194 A) at discrete frequencies between 10 kHz and 3 MHz and a range of temperature between 25 °C and 45 °C. A micro processor controller based temperature controller (Julabo F-25) was used for keeping the temperature of clove oil constant. Dielectric constant of the sample is found to decrease with increase in frequency and temperature, while dielectric loss decreases with increase in frequency but increases with increase in temperature...
December 8, 2017: Journal of Ayurveda and Integrative Medicine
Ignacio Echeverría, María Elvira López-Caballero, María Carmen Gómez-Guillén, Adriana Noemi Mauri, María Pilar Montero
This manuscript evaluates the potential application of active nanocomposite films based on soy protein isolate (SPI)-montmorillonite (MMT)-clove essential oil (CEO) to the preservation of muscle fillets of bluefin tuna (Thunnus thynnus) during refrigerated storage, and furthermore analyzes whether the clay diffuses from the package to food. SPI films with: CEO (SPI-CEO), MMT (SPI-MMT), or both CEO and MMT (SPI-MMT-CEO), were prepared and used to cover tuna fillets during 17days of storage at 2°C. Polyethylene films were also used as control...
February 2, 2018: International Journal of Food Microbiology
Alane Beatriz Vermelho, Verônica da Silva Cardoso, Eduardo Ricci Junior, Elisabete Pereira Dos Santos, Claudiu T Supuran
Sulfonamide carbonic anhydrase (CA, EC inhibitors targeting the α-class enzyme from the protozoan pathogen Trypanosoma cruzi, responsible of Chagas disease, were recently reported. Although many such derivatives showed low nanomolar activity in vitro, they were inefficient anti-T. cruzi agents in vivo. Here, we show that by formulating such sulfonamides as nanoemulsions in clove (Eugenia caryophyllus) oil, highly efficient anti-protozoan effects are observed against two different strains of T. cruzi...
December 2018: Journal of Enzyme Inhibition and Medicinal Chemistry
Iveta Bartoňková, Zdeněk Dvořák
Essential oils (EOs) of culinary herbs and spices are used to flavor, color and preserve foods and drinks. Dietary intake of EOs is significant, deserving an attention of toxicologists. We examined the effects of 31 EOs of culinary herbs and spices on the transcriptional activity of human aryl hydrocarbon receptor (AhR), which is a pivotal xenobiotic sensor, having also multiple roles in human physiology. Tested EOs were sorted out into AhR-inactive ones (14 EOs) and AhR-active ones, including full agonists (cumin, jasmine, vanilla, bay leaf), partial agonists (cloves, dill, thyme, nutmeg, oregano) and antagonists (tarragon, caraway, turmeric, lovage, fennel, spearmint, star anise, anise)...
January 2018: Food and Chemical Toxicology
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