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https://www.readbyqxmd.com/read/29149823/olive-oil-related-anti-inflammatory-effects-on-atherosclerosis-potential-clinical-implications
#1
Tanakal Wongwarawipat, Nikolaos Papageorgiou, Dimitrios Bertsias, Gerasimos Siasos, Dimitris Tousoulis
BACKGROUND AND OBJECTIVE: Atherosclerosis is characterized by a chronic low-grade inflammatory process which can result in atherothrombosis and a number of cardiovascular diseases (CVD). It is believed to be caused by multiple processes that involve inflammation and immunity. Mediterranean Diet (MedD) has been discovered to possess anti-inflammatory properties and associated with a reduction in the CVD risk and mortality. Its main component, extra-virgin olive oil (EVOO), is believed to be largely responsible for these effects and therefore, has been investigated in various studies...
November 15, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29149822/olive-leaf-extracts-act-as-modulators-of-the-human-immune-response
#2
Thea Magrone, Anna Spagnoletta, Rosaria Salvatore, Manrico Magrone, Francesco Dentamaro, Matteo Antonio Russo, Graziana Difonzo, Carmine Summo, Francesco Caponio, Emilio Jirillo
BACKGROUND: Olive tree leaves have been used in the Mediterranean area as traditional medicine in virtue of their healthy effects. Olive leaf extracts (OLEs) contain higher amounts of polyphenols than those detected in the extra virgin olive oil and fruit. Several lines of evidence support the cardioprotective, anti-oxidant and anti-inflammatory activities exerted by OLEs. METHODS: Peripheral blood mononuclear cells (PBMCs) from twenty-five healthy donors were cultured in the presence of 3 μg of two OLE extracts, extract A (resuspended in water) and extract B (resuspended in 70% ethanol)...
November 15, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29148930/use-of-mixed-oil-fat-emulsion-to-improve-intestinal-failure-associated-liver-disease-in-long-term-home-parenteral-nutrition-a-case-report
#3
Ryan T Hurt, Manpreet S Mundi
Home parenteral nutrition (HPN) is a life-saving therapy for patients who are not able to use their gastrointestinal tract. There are a number of complications associated with HPN, including metabolic bone disease, intestinal failure-associated liver disease (IFALD), and catheter-related bloodstream infections. We present a case of a 32-year-old HPN patient who initially developed biopsy-proven IFALD (total bilirubin, 2.4 mg/dL) while on long-term HPN. His HPN was initiated due to myopathic intestinal dysmotility and pseudo-obstruction when he was 15 years old...
November 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29146360/behaviour-of-trolox-with-macromolecule-bound-antioxidants-in-aqueous-medium-inhibition-of-auto-regeneration-mechanism
#4
Ecem Evrim Çelik, Jose Manuel Amigo Rubio, Vural Gökmen
This work aimed at investigating the behaviour of Trolox, vitamin E analogue, in presence of macromolecule-bound antioxidants in aqueous radical medium. Three main groups of macromolecule-bound antioxidants were assayed: dietary fiber (DF), protein and lipid-bound antioxidants, represented by whole wheat, soybean and olive oil products, respectively. Experimental studies were carried out in aqueous ABTS (2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid)) radical medium. Trolox and macromolecule-bound antioxidants were added to radical separately and together in different concentrations...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29146340/effect-of-the-composition-of-extra-virgin-olive-oils-on-the-differentiation-and-antioxidant-capacities-of-twelve-monovarietals
#5
Edwar Fuentes, Fiorela Paucar, Francisco Tapia, Jaime Ortiz, Paula Jimenez, Nalda Romero
The effect of the composition of twelve varieties of extra virgin olive oils (EVOOs) on their differentiation based in agronomic criteria and on the antioxidant capacity was studied. Principal component analysis permitted an overview of the samples and their compositions, showing evidence of grouping and correlation between antioxidant capacity, oleuropein and ligstroside derivatives (OLD) and specific extinction at 270. Oleic and linoleic acids, 3,4-DHPEA-EA and p-HPEA-EDA (OLD), unsaturated/saturated ratio and induction time (IT) allowed the correct classification of samples according to year of harvest, ripening stage and variety...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29146328/fried-potatoes-impact-of-prolonged-frying-in-monounsaturated-oils
#6
Carla S P Santos, Lucía Molina-Garcia, Sara C Cunha, Susana Casal
Fresh potatoes were intermittently deep-fried up to recommended limits (175°C, 8h/day, 28h) in extra-virgin olive oil (EVOO), peanut oil (PO) and canola oil (CO), and compared for diverse chemical components and sensorial attributes, aiming to quantify the impact of prolonged frying on potatoes nutrients, and the potential alterations resulting from the use of different monounsaturated-rich oils. Independently of oil type, its degradation promotes time-dependent losses of important potato nutrients, as vitamin C...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29144994/gene-pathways-associated-with-mitochondrial-function-oxidative-stress-and-telomere-length-are-differentially-expressed-in-the-liver-of-rats-fed-lifelong-on-virgin-olive-sunflower-or-fish-oils
#7
Alfonso Varela-Lopez, María Patricia Pérez-López, César Luis Ramirez-Tortosa, Maurizio Battino, Sergio Granados-Principal, María Del Carmen Ramirez-Tortosa, Julio José Ochoa, Laura Vera-Ramirez, Francesca Giampieri, José Luis Quiles
This study investigates the effect of lifelong intake of different fat sources rich in monounsaturated (virgin olive oil), n6 polyunsaturated (sunflower oil) or n3 polyunsaturated (fish oil) fatty acids in the aged liver. Male Wistar rats fed lifelong on diets differing in the fat source were killed at 6 and at 24 months of age. Liver histopathology, mitochondrial ultrastructure, biogenesis, oxidative stress, mitochondrial electron transport chain, relative telomere length and gene expression profiles were studied...
September 20, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29144445/critical-review-on-the-significance-of-olive-phytochemicals-in-plant-physiology-and-human-health
#8
REVIEW
Irene Gouvinhas, Nelson Machado, Carla Sobreira, Raúl Domínguez-Perles, Sónia Gomes, Eduardo Rosa, Ana I R N A Barros
Olive oil displays remarkable organoleptic and nutritional features, which turn it into a foodstuff appreciated by consumers, and a basic component of the Mediterranean diet. Indeed, the noticed benefits of including olive oil in the diet have been assigned to the presence of diverse bioactive compounds with different molecular structures. These compounds confer a wide range of biological properties to this food matrix, including the prevention of distinct human diseases as well as the modulation of their severity...
November 16, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29144417/fast-low-cost-and-non-destructive-physico-chemical-analysis-of-virgin-olive-oils-using-near-infrared-reflectance-spectroscopy
#9
Ana Garrido-Varo, María-Teresa Sánchez, María-José De la Haba, Irina Torres, Dolores Pérez-Marín
Near-Infrared (NIR) Spectroscopy was used for the non-destructive assessment of physico-chemical quality parameters in olive oil. At the same time, the influence of the sample presentation mode (spinning versus static cup) was evaluated using two spectrophotometers with similar optical characteristics. A total of 478 olive oil samples were used to develop calibration models, testing various spectral signal pre-treatments. The models obtained by applying MPLS regression to spectroscopic data yielded promising results for olive oil quality measurements, particularly for acidity, the peroxide index and alkyl and ethyl ester content...
November 16, 2017: Sensors
https://www.readbyqxmd.com/read/29143841/ionic-liquids-as-stationary-phases-for-fatty-acid-analysis-by-gas-chromatography
#10
REVIEW
C Fanali, G Micalizzi, P Dugo, L Mondello
The present paper provides an overview of the application of ionic liquid (IL) columns for GC analysis of fatty acid methyl esters (FAMEs). Although their separation can be carried out utilizing GC columns containing polar stationary phases, some ILs have been employed as stationary phases, either commercial or laboratory made, in GC analysis. Monodimensional and bidimensional GC methods have been optimized in order to achieve the best separation especially considering the geometric and positional isomers of unsaturated fatty acids...
November 16, 2017: Analyst
https://www.readbyqxmd.com/read/29141575/the-protective-effects-of-extra-virgin-olive-oil-on-immune-mediated-inflammatory-responses
#11
Rosa Casas, Ramon Estruch, Emilio Sacanella
BACKGROUND AND OBJECTIVE: The increasing interest in the Mediterranean diet (MeDiet) hinges on the relevant role it plays in inflammatory diseases. Several clinical, epidemiological and experimental evidences suggest that consumption of the MeDiet reduces the incidence of certain pathologies related to oxidative stress, chronic inflammation and immune system diseases such as cancer, atherosclerosis and cardiovascular disease (CVD). DISCUSSION: These reductions can be partially attributed to extra virgin olive oil (EVOO) consumption which has been described as a key bioactive food because of its high nutritional quality and its particular composition of fatty acids, vitamins and polyphenols...
November 13, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29141574/anti-inflammatory-activity-of-extra-virgin-olive-oil-polyphenols-which-role-in-the-prevention-and-treatment-of-immune-mediated-inflammatory-diseases
#12
Carmela Santangelo, Rosaria Vari, Beatrice Scazzocchio, Patrizia De Sanctis, Claudio Giovannini, Massimo D'Archivio, Roberta Masella
Altered inflammatory response characterizes chronic immune-mediated inflammatory diseases (IMID) such as rheumatoid arthritis, inflammatory bowel disease, multiple sclerosis, systemic lupus erythematosus, and psoriasis. Accumulating evidence indicates that regular consumption of extra virgin olive oil (EVOO), the main source of fat in the Mediterranean diet, is associated with a reduced risk of developing chronic degenerative disorders such cardiovascular diseases, type 2 diabetes and cancer. The beneficial effects on health of EVOO have been attributed, besides to the monounsaturated fats content, to the presence of phenolic compounds that have antioxidant, anti-inflammatory and immunomodulatory properties...
November 13, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29141573/liver-protective-effects-of-extra-virgin-olive-oil-interaction-between-its-chemical-composition-and-the-cell-signaling-pathways-involved-in-protection
#13
Sandra A Soto-Alarcon, Rodrigo Valenzuela, Alfonso Valenzuela, Luis A Videla
BACKGROUND AND OBJECTIVE: The liver is an organ susceptible to a multitude of injuries that causes liver damage, like steatosis, non-alcoholic steatohepatitis, cirrhosis, hepatocellular carcinoma, and ischemia-reperfusion injury. Extra virgin olive oil (EVOO), presents several protective effects on the liver, reducing hepatic steatosis, hepatocyte ballooning, fibrogenesis, preventing lipid peroxidation, among other effects. Due to its high levels of monounsaturated fatty acids, mainly oleic acid and phenolic compounds, such as hydroxytyrosol and oleuropein, EVOO is able to participate in the activation of different signaling pathways in the hepatocytes involved in the prevention of inflammation, oxidative stress, endoplasmic reticulum stress, mitochondrial dysfunction, and insulin resistance, allowing the prevention or resolution of liver damage...
November 14, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29141571/extra-virgin-olive-oil-and-cardiovascular-diseases-benefits-for-human-health
#14
Cristina Nocella, Vittoria Cammisotto, Luca Fianchini, Alessandra D'Amico, Marta Novo, Valentina Castellani, Francesco Violi, Roberto Carnevale
BACKGROUND AND OBJECTIVE: The cardioprotective properties of Mediterranean Diet were demonstrated for the first time from the Seven Country Study. In the last few decades, numerous epidemiological studies, as well as intervention trial, confirmed this observation, pointing out the close relationship between the Mediterranean diet and cardiovascular diseases. In this context, extra virgin olive oil (EVOO), the most representative component of this diet, seems to be relevant in lowering the incidence of cardiovascular events, including myocardial infarction and stroke...
November 14, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29141570/effect-of-extra-virgin-olive-oil-and-table-olives-on-the-immune-inflammatory-responses-potential-clinical-applications
#15
Caterina Maria Gambino, Giulia Accardi, Anna Aiello, Giuseppina Candore, Giovanni Dara-Guccione, Mario Mirisola, Antonio Procopio, Giusi Taormina, Calogero Caruso
Extra virgin olive oil (EVOO) is the common element between the Mediterranean countries. It can be considered a nutraceutical and functional food, thanks to its bioactive compounds. It can act and modulate different processes linked to ageing and age-related diseases related to a common chronic low grade inflammation. Depending on the cultivar, the growth conditions, the period of harvesting, the productive process and time of product storage, EVOO could contain different amount of vegetal components. Of course, the same is for table olives...
November 13, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29141517/protective-effects-of-dietary-omega-3-fatty-acid-supplementation-on-organophosphate-poisoning
#16
Bahattin Avci, S Sirri Bilge, Gokhan Arslan, Omer Alici, Ozge Darakci, Turkhan Baratzada, Engin Ciftcioglu, Turker Yardan, Ayhan Bozkurt
In this study, we aimed to study the possible preventive effect of docosahexaenoic acid (DHA), a dietary omega-3 fatty acid, on toxicity caused by chlorpyrifos (CPF). Six groups of Sprague Dawley rats (200-250 g) consisting of equal numbers of males and females (n = 8) were assigned to study. The rats were orally given for 5 days. The control group was administered pure olive oil, which was the vehicle for CPF. The CPF challenge groups were administered oral physiological saline, pure olive oil, or DHA (50, 100 and 400 mg/kg dosages) for 5 days...
January 1, 2017: Toxicology and Industrial Health
https://www.readbyqxmd.com/read/29139048/high-adherence-to-the-western-prudent-and-mediterranean-dietary-patterns-and-risk-of-gastric-adenocarcinoma-mcc-spain-study
#17
Adela Castelló, Nerea Fernández de Larrea, Vicente Martín, Verónica Dávila-Batista, Elena Boldo, Marcela Guevara, Víctor Moreno, Gemma Castaño-Vinyals, Inés Gómez-Acebo, Guillermo Fernández-Tardón, Rosana Peiró, Rocío Olmedo-Requena, Rocio Capelo, Carmen Navarro, Silvino Pacho-Valbuena, Beatriz Pérez-Gómez, Manolis Kogevinas, Marina Pollán, Nuria Aragonés
BACKGROUND: The influence of dietary habits on the development of gastric adenocarcinoma is not clear. The objective of the present study was to explore the association of three previously identified dietary patterns with gastric adenocarcinoma by sex, age, cancer site, and morphology. METHODS: MCC-Spain is a multicase-control study that included 295 incident cases of gastric adenocarcinoma and 3040 controls. The association of the Western, Prudent, and Mediterranean dietary patterns-derived in another Spanish case-control study-with gastric adenocarcinoma was assessed using multivariable logistic regression models with random province-specific intercepts and considering a possible interaction with sex and age...
November 14, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29137335/inhibition-of-cell-cycle-progression-by-the-hydroxytyrosol-cetuximab-combination-yields-enhanced-chemotherapeutic-efficacy-in-colon-cancer-cells
#18
Erika Terzuoli, Ginevra Nannelli, Maria Frosini, Antonio Giachetti, Marina Ziche, Sandra Donnini
Hydroxytyrosol (HT), a polyphenol of olive oil, downregulates epidermal growth factor (EGFR) expression and inhibits cell proliferation in colon cancer (CC) cells, with mechanisms similar to that activated by the EGFR inhibitor, cetuximab. Here, we studied whether HT treatment would enhance the cetuximab inhibitory effects on cell growth in CC cells. HT-cetuximab combination showed greater efficacy in reducing cell growth in HT-29 and WiDr cells at concentrations 10 times lower than when used as single agents...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136891/detection-and-quantification-of-extra-virgin-olive-oil-adulteration-by-means-of-autofluorescence-excitation-emission-profiles-combined-with-multi-way-classification
#19
Isabel Durán Merás, Jaime Domínguez Manzano, Diego Airado Rodríguez, Arsenio Muñoz de la Peña
Within olive oils, extra virgin olive oil is the highest quality and, in consequence, the most expensive one. Because of that, it is common that some merchants attempt to take economic advantage by mixing it up with other less expensive oils, like olive oil or olive pomace oil. In consequence, the characterization and authentication of extra virgin olive oils is a subject of great interest, both for industry and consumers. This paper reports the potential of front-face total fluorescence spectroscopy combined with second-order chemometric methods for the detection of extra virgin olive oils adulteration with other olive oils...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29136819/alteration-in-the-liver-metabolome-of-rats-with-metabolic-syndrome-after-treatment-with-hydroxytyrosol-a-mass-spectrometry-and-nuclear-magnetic-resonance-based-metabolomics-study
#20
Ioanna Dagla, Dimitra Benaki, Eirini Baira, Nikolaos Lemonakis, Hemant Poudyal, Lindsay Brown, Anthony Tsarbopoulos, Alexios-Leandros Skaltsounis, Emmanouel Mikros, Evagelos Gikas
Metabolic syndrome (MetS) represents a group of abnormalities that enhances the risk for cardiovascular disease, diabetes and stroke. The Mediterranean diet seems to be an important dietary pattern, which reduces the incidence of MetS. Hydroxytyrosol (HT) - a simple phenol found in olive oil - has received increased attention for its antioxidant activity. Recently, the European Foods Safety Authority (EFSA) claimed that dietary consumption of HT exhibits a protective role against cardiovascular disease. In this study, an experimental protocol has been setup, including isolated HT administration in a diet induced model of MetS in young Wistar rats, in order to find out whether HT has a protective effect against MetS...
February 1, 2018: Talanta
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