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https://www.readbyqxmd.com/read/29338637/selected-plant-essential-oils-and-their-main-active-components-a-promising-approach-to-inhibit-aflatoxigenic-fungi-and-aflatoxin-production-in-food
#1
José Vicente Gómez, Andrea Tarazona, Rufino Mateo-Castro, José Vicente Gimeno-Adelantado, Misericordia Jiménez, Eva M Mateo
Recent research has showed that Aspergillus flavus and Aspergillus parasiticus are aflatoxigenic species that can become very competitive in the framework of climate change. Aflatoxins show carcinogenic, mutagenic, immunotoxic and teratogenic effects on human and animals. Effective and sustainable measures to inhibit these species and aflatoxins in food are required. Origanum vulgare and Cinnamomum zeylanicum essential oils (EOs) and their major active constituents, carvacrol and cinnamaldehyde, respectively, were assayed for inhibiting these species and aflatoxin production in maize extract medium under different environmental conditions...
January 17, 2018: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/29334260/crude-extract-of-origanum-vulgare-l-induced-cell-death-and-suppressed-mapk-and-pi3-akt-signaling-pathways-in-sw13-and-h295r-cell-lines
#2
Beatrice Rubin, Jacopo Mansi, Halenya Monticelli, Loris Bertazza, Marco Redaelli, Francesca Sensi, Maira Zorzan, Carla Scaroni, Caterina Mian, Maurizio Iacobone, Decio Armanini, Cristina Bertolini, Susi Barollo, Marco Boscaro, Raffaele Pezzani
Oregano (Origanum vulgare L.) is a common aromatic plant used in Mediterranean and Asian Regions for treating respiratory diseases, painful menstruation, rheumatoid arthritis, etc. Recently its role as an anticancer plant has been suggested, although oregano has been never evaluated into adrenocortical tumour cell models. This study analysed for the first time the anticancer effects of a crude extract of wild mountain oregano (Origanum vulgare L.) in SW13 and H295R cell lines. The crude extract was characterised by GC/MS and the toxic effects of oregano were first analysed by brine shrimp lethality assay...
January 15, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29329843/partial-substitution-of-nacl-by-kcl-and-addition-of-flavor-enhancers-on-probiotic-prato-cheese-a-study-covering-manufacturing-ripening-and-storage-time
#3
Hugo L A Silva, Celso F Balthazar, Erick A Esmerino, Roberto P C Neto, Ramon S Rocha, Jeremias Moraes, Rodrigo N Cavalcanti, Robson M Franco, Maria Inês B Tavares, Jânio S Santos, Daniel Granato, Renata G B Costa, Mônica Q Freitas, Márcia C Silva, Renata S L Raices, C Senaka Ranadheera, Filomena Nazzaro, Amir M Mortazavian, Adriano G Cruz
Cheese is a suitable matrix to deliver probiotic strains but it contains a high amount of sodium. The effect of partial substitution of NaCl by KCl and the addition of flavor enhancers (l-arginine, yeast and oregano extract) on probiotic Prato cheese was investigated after 1, 30, and 60 d of refrigerated storage (immediately after manufacturing, and during ripening and storage). Microbiological (lactic acid bacteria and probiotic Lactobacillus casei 01 counts and survival under gastrointestinal conditions), physicochemical (pH, proteolysis, fatty acids), bioactivity (antioxidant effect and angiotensin I-converting enzyme inhibitory activity), rheological, and water mobility by means of time domain low-field nuclear magnetic resonance were investigated...
May 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29329275/chitosan-starch-films-with-natural-extracts-physical-chemical-morphological-and-thermal-properties
#4
Jessica I Lozano-Navarro, Nancy P Díaz-Zavala, Carlos Velasco-Santos, José A Melo-Banda, Ulises Páramo-García, Francisco Paraguay-Delgado, Ricardo García-Alamilla, Ana L Martínez-Hernández, Samuel Zapién-Castillo
The aim of this study is to analyze the properties of a series of polysaccharide composite films, such as apparent density, color, the presence of functional groups, morphology, and thermal stability, as well as the correlation between them and their antimicrobial and optical properties. Natural antioxidants such as anthocyanins (from cranberry; blueberry and pomegranate); betalains (from beetroot and pitaya); resveratrol (from grape); and thymol and carvacrol (from oregano) were added to the films. Few changes in the position and intensity of the FTIR spectra bands were observed despite the low content of extract added to the films...
January 12, 2018: Materials
https://www.readbyqxmd.com/read/29301339/development-of-burdock-root-inulin-chitosan-blend-films-containing-oregano-and-thyme-essential-oils
#5
Thi Luyen Cao, So-Young Yang, Kyung Bin Song
In this study, inulin (INU) extracted from burdock root was utilized as a new film base material and combined with chitosan (CHI) to prepare composite films. Oregano and thyme essential oils (OT) were incorporated into the INU-CHI film to confer the films with bioactivities. The physical and optical properties as well as antioxidant and antimicrobial activities of the films were evaluated. INU film alone showed poor physical properties. In contrast, the compatibility of INU and CHI demonstrated by the changes in attenuated total reflectance-Fourier transformation infrared spectrum of the INU-CHI film increased tensile strength and elongation at break of the INU film by 8...
January 3, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29279039/characterization-and-antimicrobial-activity-of-active-polypropylene-films-containing-oregano-essential-oil-and-allium-extract-to-be-used-in-packaging-for-meat-products
#6
María Llana-Ruiz-Cabello, Silvia Pichardo, José María Bermudez, Alberto Baños, Juan José Ariza, Enrique Guillamón, Susana Aucejo, Ana M Cameán
Cooked ham is more prone to spoilage than other meat products, making preservation a key step in its commercialization. One of the most promising preservation strategies is the use of active packaging. Oregano essential oil (OEO) and Proallium® (an Allium extract) have previously been shown to be useful in polylactic acid (PLA) active films for ready-to-eat salads. The present work aims to study the suitability of polypropylene (PP) films containing OEO and Proallium® in the preservation of cooked ham. Concerning the technological features of the studied material, no significant changes in the mechanical or optical properties of PP films containing the active substances were recorded in comparison to the PP film without extracts...
December 26, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/29278371/flavonoids-and-phenolic-acids-from-oregano-occurrence-biological-activity-and-health-benefits
#7
REVIEW
Erick P Gutiérrez-Grijalva, Manuel A Picos-Salas, Nayely Leyva-López, Marilyn S Criollo-Mendoza, Gabriela Vazquez-Olivo, J Basilio Heredia
Several herb species classified as oregano have been widely used in folk medicine to alleviate inflammation-related diseases, respiratory and digestive disorders, headaches, rheumatism, diabetes and others. These potential health benefits are partially attributed to the phytochemical compounds in oregano such as flavonoids (FL) and phenolic acids (PA). Flavonoids and phenolic acids are among the most abundant and most studied phytochemicals in oregano species. Epidemiological, in vitro and in vivo experiments have related long-term consumption of dietary FL and PA with a decreased risk of incidence of chronic diseases...
December 26, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29272983/sub-inhibitory-concentration-of-essential-oils-induces-antibiotic-resistance-in-staphylococcus-aureus
#8
Barbara Turchi, Simone Mancini, Luisa Pistelli, Basma Najar, Filippo Fratini
Fourteen Staphylococcus aureus wild strains were stressed with sub-inhibitory concentration of five essential oils: Leptospermum scoparium (manuka), Origanum majorana (marjoram), Origanum vulgare (oregano), Satureja montana (winter savoury) and Thymus vulgaris (thyme). Antibiotics susceptibility profiles of the strains were determined by agar disk diffusion method before and after EOs treatment. The following antibiotics were employed: amoxicillin-clavulanic acid, amikacin, ampicillin, amoxicillin, aztreonam, ceftazidime, cephalothin, ciprofloxacin, colistin, cefotaxime, doxycycline, enrofloxacin, erythromycin, gentamicin, cephalexin, neomycin, piperacillin, rifampin, streptomycin, trimethoprim-sulphamethoxazole, tetracycline and tobramycin...
December 22, 2017: Natural Product Research
https://www.readbyqxmd.com/read/29258916/potential-of-selected-lamiaceae-plants-in-anti-retro-viral-therapy
#9
REVIEW
Maja Bekut, Snežana Brkić, Nebojša Kladar, Gordana Dragović, Neda Gavarić, Biljana Božin
Constant search for new drugs with antiviral properties often extends to products of natural origin. Lamiaceae is one of the most important herbal families, well known for various biological and medicinal effects of a variety of aromatic spices, including thyme, mint, oregano, basil, sage, savory, rosemary, self-heal, hyssop, lemon balm and many others. The paper provides a review of antiviral potential of previously mentioned plants which has been demonstrated so far, with special emphasis on anti-HIV properties...
December 16, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29223559/assessment-of-the-stability-of-sheep-sausages-with-the-addition-of-different-concentrations-of-origanum-vulgare-extract-during-storage
#10
R P P Fernandes, M A Trindade, J M Lorenzo, M P de Melo
The aim of this study was to assess the stability of sheep sausages with the addition of different concentrations of Origanum vulgare extract during storage. Five treatments were prepared: without natural antioxidant (control), sodium erythorbate 500mg/kg (ER), and three amounts of extract (N1=4964.51mg/kg, N2=6630.98mg/kg and N3=8038.20mg/kg). From appearance sensory analysis, control treatment differed significantly compared to ER (P<0.05) and N3 (P<0.01) groups, with intense red color, agreeing with trend of a* values...
November 15, 2017: Meat Science
https://www.readbyqxmd.com/read/29211890/effect-of-oregano-oil-and-tannic-acid-combinations-on-the-quality-and-sensory-characteristics-of-cooked-chicken-meat
#11
M Al-Hijazeen, A Mendonca, E J Lee, D U Ahn
The antioxidant effects of oregano essential oil and tannic acid combinations on ground chicken breast and thigh meats were studied. Six treatments, including: 1) control (none added), 2) 100 ppm oregano essential oil + 5 ppm tannic acid, 3) 100 ppm oregano essential oil + 10 ppm tannic acid, 4) 200 ppm oregano essential oil + 5 ppm tannic acid, 5) 200 ppm oregano essential oil + 10 ppm tannic acid, and 6) 5 ppm butylated hydroxyanisole (BHA) for breast or 14 ppm for thigh meat, were prepared. Cooked meat samples were individually vacuum-packaged in oxygen-impermeable vacuum bags and then cooked in-bag to an internal temperature of 75°C...
December 2, 2017: Poultry Science
https://www.readbyqxmd.com/read/29211364/insights-into-novel-anticancer-applications-for-apigenin
#12
REVIEW
Adam Kowalczyk, Agnieszka Bodalska, Marta Miranowicz, Katarzyna Karłowicz-Bodalska
Flavonoids, naturally occuring derivatives of 2-phenyl-benzo-γ-pyrone, are widespread in plants as coloring substances. Apigenin (4',5,7,-trihydroxyflavone (5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one), molecular formula C₁₅H₁₀O⁵, is a flavonoid present in many fruits and vegetables, primarily in citrus fruits, apples, parsley and celery leaves. It is also found in some medicinal plants, including chamomile flowers, thyme, oregano, peppermint, lemon balm and yarrow, as a 7-O-glycoside with anti-inflammatory and antioxidant activity...
October 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29197252/oregano-dietary-supplementation-modifies-the-liver-transcriptome-profile-in-broilers-rnaseq-analysis
#13
Marcella Sabino, Stefano Capomaccio, Katia Cappelli, Andrea Verini-Supplizi, Lorenzo Bomba, Paolo Ajmone-Marsan, Gabriella Cobellis, Oliviero Olivieri, Camillo Pieramati, Massimo Trabalza-Marinucci
Intensive farming of broilers involves stressful conditions that reduce animal welfare and performance. New dietary strategies to improve performance and meat quality include the administration of plant extracts. Oregano (Origanum vulgare L.) is known for its antimicrobial, anti-fungal, insecticidal and antioxidant properties. However, studies on diet supplementation with oregano are mainly focused on the evaluation of animal performance, while partial information is available on transcriptomics and nutrigenomics and, in particular, Next Generation Sequencing (NGS) is not widely applied...
November 21, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/29196013/the-potential-of-herbs-and-spices-to-reduce-lipid-oxidation-during-heating-and-gastrointestinal-digestion-of-a-beef-product
#14
T Van Hecke, P L Ho, S Goethals, S De Smet
Here we tested the potential of ten culinary herbs (basil, oregano, rosemary and thyme) and spices (black pepper, cayenne pepper, cumin, curcuma, garlic and sweet paprika) to limit oxidation during cooking of a high-fat beef product, and during its subsequent in vitro gastrointestinal digestion. The herbs and spices were added separately at 0.5% and 1% (w/w), either during meat processing before heating of the product or after heating of the meat as a seasoning. Lipid oxidation was evaluated by malondialdehyde, 4-hydroxy-2-nonenal and hexanal quantification in the meat products and gastrointestinal digests...
December 2017: Food Research International
https://www.readbyqxmd.com/read/29191726/essential-oils-of-culinary-herbs-and-spices-display-agonist-and-antagonist-activities-at-human-aryl-hydrocarbon-receptor-ahr
#15
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)...
November 27, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29181386/the-influence-of-different-oregano-species-on-the-antioxidant-activity-determined-using-hplc-postcolumn-dpph-method-and-anticancer-activity-of-carvacrol-and-rosmarinic-acid
#16
Juste Baranauskaite, Asta Kubiliene, Mindaugas Marksa, Vilma Petrikaite, Konradas Vitkevičius, Algirdas Baranauskas, Jurga Bernatoniene
The aim of this study was to evaluate concentration-dependent antioxidant and anticancer activities of CA and RA in ethanol extracts of three different Oregano species (Origanum onites L., Origanum vulgare L., and Origanum vulgare ssp. hirtum). The study revealed the highest RA antioxidant activity in O. vulgare ssp. hirtum (9550 ± 95 mmol/g) and the lowest in O. vulgare L. (2605 ± 52 mmol/g) (p < 0.05). The highest CA amount was present in O. onites L., which was 1.8 and 4.7 times higher (p < 0...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29175783/total-antioxidant-capacity-of-commonly-used-fruits-vegetables-herbs-and-spices-of-pakistan
#17
Mobasher Ali Abid, Muhammad Ashfaq, Muhammad Junaid Hassan Sharif, Khalid Rauf, Wajahat Mahmood, Ikarmullah Khan, Ghulam Abbas
The current study was aimed at investigating the total antioxidant activity (TAC) of various fruits, vegetables, herbs and spices habitat in Pakistan. The ferric reducing ability of plasma (FRAP) assay was used to measure the TAC of various extracts (aqueous, ethanolic and aqueous-ethanolic). Following is the potency order for fruits (guava >strawberry >Pomegranate >apple >kinnow >melon >lemon >banana), vegetables (spinach >Cabbage (Purple) >Jalapeno >Radish >Brinjal >Bell Pepper >Lettuce >Carrot >Cabbage (White) >Onion >Potato >Tomato >Cucumber) and herbs/spices (clove >Rosemary >Thyme >Oregano >Cinnamon >Cumin >Kalonji >Paprika >Neem (Flower) >Fennel >Black Cardamom >Turmeric >Coriander >Ginger >Garlic)...
November 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29175764/the-effect-of-essential-oils-on-microbial-composition-and-quality-of-grass-carp-ctenopharyngodon-idellus-fillets-during-chilled-storage
#18
Zhan Huang, Xiaochang Liu, Shiliang Jia, Longteng Zhang, Yongkang Luo
Antimicrobial and antioxidant effects of essential oils (oregano, thyme, and star anise) on microbial composition and quality of grass carp fillets were investigated. Essential oils treatment was found to be effective in inhibiting microbial growth, delaying lipid oxidation, and retarding the increase of TVB-N, putrescine, hypoxanthine, and K-value. Based on sensory analysis, shelf-life of grass carp fillets was 6days for control and 8days for treatment groups. Among the essential oils, oregano essential oil exhibited the highest antimicrobial and antioxidant activities...
November 6, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29169731/a-composition-of-medicinal-plants-with-an-enhanced-ability-to-suppress-microsomal-lipid-peroxidation-and-a-protective-activity-against-carbon-tetrachloride-induced-hepatotoxicity
#19
Araylim N Aralbaeva, Aigul T Mamataeva, Nazgul I Zhaparkulova, Raisa S Utegalieva, Marina Khanin, Michael Danilenko, Maira K Murzakhmetova
Treatment of liver injury induced by various toxicants represents a serious clinical challenge. Here, we utilized the ability of natural agents to inhibit microsomal lipid peroxidation (LPO) as the in-vitro screening paradigm for selecting efficacious tissue-protective combinations of cooperatively acting medicinal plants. Based on screening of 70 water-ethanol extracts obtained from different parts of 65 plants we prepared a highly active phytocomposition (PC-1) containing oregano (Origanum vulgare), wild thyme (Thymus serpyllum) and coltsfoot (Tussilago farfara) aerial parts, valerian (Valeriana officinalis) leaves and little-leaf linden (Tilia cordata) flowers...
November 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29163441/antifungal-and-anti-biofilm-activity-of-essential-oil-active-components-against-cryptococcus-neoformans-and-cryptococcus-laurentii
#20
Poonam Kumari, Rutusmita Mishra, Neha Arora, Apurva Chatrath, Rashmi Gangwar, Partha Roy, Ramasare Prasad
Cryptococcosis is an emerging and recalcitrant systemic infection occurring in immunocompromised patients. This invasive fungal infection is difficult to treat due to the ability of Cryptococcus neoformans and Cryptococcus laurentii to form biofilms resistant to standard antifungal treatment. The toxicity concern of these drugs has stimulated the search for natural therapeutic alternatives. Essential oil and their active components (EO-ACs) have shown to possess the variety of biological and pharmacological properties...
2017: Frontiers in Microbiology
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