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Virgin Olive
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1. Anti-inflammatory effect of virgin olive oil in stable coronary disease patients: a randomized, crossover, controlled trial.
Match Strength: 15.736

OBJECTIVES: To assess the effect of two similar olive oils, but with differences in their phenolic compounds (powerful antioxidant compounds), on inflammatory markers in stable coronary heart disease patients. DESIGN: Placebo-controlled, crossover, randomized trial. SETTING: Cardiology Department of Hospital del Mar and Institut Municipal d'Investigaci� M�dica (Barcelona). SUBJECTS: Twenty-eight stable coronary heart disease patients. INTERVENTIONS: A raw daily dose of 50 ml of virgin and refined olive oil (ROO) was sequentially administered over two periods of 3-weeks, preceded by 2-week ... Read More »
» Published in Eur J Clin Nutr. 2008 Apr;62(4):570-4. Epub 2007 Mar 21.

2. Minor polar compounds extra-virgin olive oil extract (MPC-OOE) inhibits NF-kappa B translocation in human monocyte/macrophages.
Match Strength: 14.990

Epidemiological studies demonstrate that the Mediterranean diet, in which olive oil is the major source of fat, reduces the risk of coronary heart disease and cancer. It has been proposed that the beneficial effects of olive oil not only depend on oleic acid, but are also associated with minor polar compounds (MPC). A positive correlation between inflammation and cardiovascular diseases has long been described, monocyte/macrophages and NF-kappaB playing a pivotal role. The aim of this work was to investigate the effects of an extra-virgin olive oil extract (MPC-OOE), particularly rich in MPC ... Read More »
» Published in Pharmacol Res. 2007 Dec;56(6):542-9. Epub 2007 Oct 6.

3. Phytochemistry: ibuprofen-like activity in extra-virgin olive oil.
Match Strength: 13.586

Newly pressed extra-virgin olive oil contains oleocanthal--a compound whose pungency induces a strong stinging sensation in the throat, not unlike that caused by solutions of the non-steroidal anti-inflammatory drug ibuprofen. We show here that this similar perception seems to be an indicator of a shared pharmacological activity, with oleocanthal acting as a natural anti-inflammatory compound that has a potency and profile strikingly similar to that of ibuprofen. Although structurally dissimilar, both these molecules inhibit the same cyclooxygenase enzymes in the prostaglandin-biosynthesis ... Read More »
» Published in Nature. 2005 Sep 1;437(7055):45-6.

4. Postprandial anti-inflammatory and antioxidant effects of extra virgin olive oil.
Match Strength: 13.469

High postprandial serum lipid concentrations are associated with increased oxidative stress which, in turn, increases the risk of atherosclerosis. Epidemiological studies correlate lower incidence of cardiovascular disease with adherence to the Mediterranean diet. The aim of this study was to evaluate changes in inflammatory (TXB(2) and LTB(4)) and oxidative stress markers (urinary hydrogen peroxide levels and serum antioxidant capacity), in addition to classic lipid parameters, after a fat-rich meal administered to 12 normolipemic, healthy subjects. Following a Latin square design, subjects ... Read More »
» Published in Atherosclerosis. 2007 Jan;190(1):181-6. Epub 2006 Feb 20.

5. A simple high-performance liquid chromatography method for the determination of throat-burning oleocanthal with probated antiinflammatory activity in extra virgin olive oils.
Match Strength: 13.451

A high-performance liquid chromatography (HPLC) method was developed to quantitatively analyze oleocanthal in extra virgin olive oils. Oleocanthal, a deacetoxy ligstroside aglycone, is known to be responsible for the back of the throat irritation of olive oils and to have probated antiinflamatory activity. Oleocanthal was isolated from small amounts of olive oil sample (1 g) by liquid-liquid extraction. Hexane-acetonitrile was found to be the best solvent system to extract oleocanthal from the oil matrix. The solvent extract was analyzed by reversed-phase HPLC with UV detection at 278 nm. ... Read More »
» Published in J Agric Food Chem. 2006 May 3;54(9):3204-8.

6. Synthesis and assignment of absolute configuration of (-)-oleocanthal: a potent, naturally occurring non-steroidal anti-inflammatory and anti-oxidant agent derived from extra virgin olive oils.
Match Strength: 13.236

[structure: see text] Effective total syntheses and the assignment of absolute configurations of both the (+)- and (-)-enantiomers of oleocanthal 1 (a.k.a. deacetoxy ligstroside aglycon), the latter derived from extra virgin olive oils and known to be responsible for the back of the throat irritant properties of olive oils, have been achieved. The absolute and relative stereochemistry of the naturally occurring enantiomer (-)-1 proved to be 3S,4E. Both syntheses begin with d-(-)-ribose, proceed in 12 steps, and are achieved with an overall yield of 7%. Both enantiomers proved to be non ... Read More »
» Published in Org Lett. 2005 Oct 27;7(22):5075-8.

7. Hydroxytyrosol, a phenolic compound from virgin olive oil, prevents macrophage activation.
Match Strength: 12.050

We investigated the effect of hydroxytyrosol (HT), a phenolic compound from virgin olive oil, on inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) expression in J774 murine macrophages stimulated with lipopolysaccharide (LPS). Incubation of cells with LPS caused an increase in iNOS and COX-2 mRNA and protein level as well as ROS generation, which was prevented by HT. In addition, HT blocked the activation of nuclear factor-kappaB (NF-kappaB), signal transducer and activator of transcription-1alpha (STAT-1alpha) and interferon regulatory factor-1 (IRF-1). These results, ... Read More »
» Published in Naunyn Schmiedebergs Arch Pharmacol. 2005 Jun;371(6):457-65. Epub 2005 Jul 16.

8. Proton transfer reaction-mass spectrometry (PTR-MS) headspace analysis for rapid detection of oxidative alteration of olive oil.
Match Strength: 11.963

Olive oil has been characterized by rapid proton transfer reaction-mass spectrometry (PTR-MS) headspace analysis without any concentration of the volatiles or pretreatment of the samples. Comparison of extra virgin and defective (rancid) samples, as described by a panel of sensory judges, and the monitoring of thermo-oxidation processes are discussed. Multivariate analysis of PTR-MS data has been carried out and cross-validated, providing (i) reliable classification models for extra virgin oil as opposed to defective oil and (ii) calibration models able to predict independently thermo ... Read More »
» Published in J Agric Food Chem. 2006 Oct 4;54(20):7635-40.

9. The phenolic compounds of olive oil: structure, biological activity and beneficial effects on human health.
Match Strength: 11.913

The Mediterranean diet is rich in vegetables, cereals, fruit, fish, milk, wine and olive oil and has salutary biological functions. Epidemiological studies have shown a lower incidence of atherosclerosis, cardiovascular diseases and certain kinds of cancer in the Mediterranean area. Olive oil is the main source of fat, and the Mediterranean diet's healthy effects can in particular be attributed not only to the high relationship between unsaturated and saturated fatty acids in olive oil but also to the antioxidant property of its phenolic compounds. The main phenolic compounds, hydroxytyrosol ... Read More »
» Published in Nutr Res Rev. 2005 Jun;18(1):98-112.

10. The role of virgin olive oil components in the modulation of endothelial function.
Match Strength: 11.737

The endothelium is involved in many of the processes related to the development of atherosclerosis, which is considered an inflammatory disease. Actually, traditional risk factors for atherosclerosis predispose to endothelial dysfunction, which is manifested as an increase in the expression of specific cytokines and adhesion molecules. There are firm evidence supporting the beneficial effects of olive oil, the most genuine component of the Mediterranean diet. Although the effects of olive oil and other oleic acid-rich dietary oils on atherosclerosis and plasma lipids are well known, the roles ... Read More »
» Published in J Nutr Biochem. 2006 Jul;17(7):429-45. Epub 2005 Dec 12.

11. A lipid extract of Perna canaliculus affects the expression of pro-inflammatory cytokines in a rat adjuvant-induced arthritis model.
Match Strength: 10.438

As published initially in this same journal in 2000, the lipid extract of Perna canaliculus (New Zealand green-lipped mussel; Lyprinol) is known for its anti-inflammatory effects in animal models and in human controlled studies (arthritis; asthma). As a follow-up of its effects on pain in a rat model of adjuvant-induced arthritis (ALA), we studied its effects on the production of cytokines known to be associated with inflammation (IL-6, IL-1alpha TNF-alpha, IFN-gamma). Feeding with Lyprinol was associated with significantly decreased expression levels of TNF-alpha and IFN-gamma when compared ... Read More »
» Published in Eur Ann Allergy Clin Immunol. 2008 Dec;40(4):148-53.

12. Modulation of cytokine secretion by pentacyclic triterpenes from olive pomace oil in human mononuclear cells.
Match Strength: 9.391

Olive pomace oil, also known as "orujo" olive oil, is a blend of refined-pomace oil and virgin olive oil, fit for human consumption. Maslinic acid, oleanolic acid, erythrodiol, and uvaol are pentacyclic triterpenes, found in the non-glyceride fraction of orujo oil, which have previously been reported to have anti-inflammatory properties. In the present work, we investigated the effect of these minor components on pro-inflammatory cytokine production by human peripheral blood mononuclear cells in six different samples. Uvaol, erythrodiol, and oleanolic acid significantly decreased IL-1beta and ... Read More »
» Published in Cytokine. 2006 Dec;36(5-6):211-7. Epub 2007 Feb 9.

13. Anti-inflammatory effects of the Mediterranean diet: the experience of the PREDIMED study.
Match Strength: 8.989

Several epidemiological and clinical studies have evaluated the effects of a Mediterranean diet (Med-Diet) on total cardiovascular mortality, and all concluded that adherence to the traditional Med-Diet is associated with reduced cardiovascular risk. However, the molecular mechanisms involved are not fully understood. Since atherosclerosis is nowadays considered a low-grade inflammatory disease, recent studies have explored the anti-inflammatory effects of a Med-Diet intervention on serum and cellular biomarkers related to atherosclerosis. In a pilot study of the PREvencion con DIeta ... Read More »
» Published in Proc Nutr Soc. 2010 Aug;69(3):333-40. Epub 2010 Jun 2.

14. Extra-virgin olive oil-enriched diet modulates DSS-colitis-associated colon carcinogenesis in mice.
Match Strength: 8.620

BACKGROUND & AIMS: Patients with inflammatory bowel disease (IBD) are at increased risk for developing ulcerative colitis (UC)-associated colorectal cancer (CRC). Several studies have shown that extra virgin olive oil (EVOO) might possess anti-inflammatory, antiproliferative and antiapoptotic effects. We have evaluated EVOO diet effects on the severity of repeated colitis-associated CRC. METHODS: Six-week-old C57BL/6 mice were randomized into two dietary groups: sunflower oil (SFO) and EVOO diets, both at 10%. Mice were exposed to 15 cycles of 0.7% dextran sodium sulphate (DSS) for 1 week ... Read More »
» Published in Clin Nutr. 2010 Oct;29(5):663-73. Epub 2010 Apr 28.

15. Divergent anti-inflammatory effects of different oil acute consumption on healthy individuals.
Match Strength: 7.890

Background/Objectives:Inter-cellular adhesion molecule 1 (ICAM-1), vascular cell adhesion molecule 1 (VCAM-1) and tumor necrosis factor-a (TNF-a), are implicated in atherogenesis. In addition, several types of oil as part of different types of diet are associated with the initiation of atherosclerosis and consequently with the risk of cardiovascular disease. However, the exact role of oil consumption on vascular inflammation remains unknown. In this parallel study, we assessed the acute effects of extra virgin olive oil, soy oil, corn oil and cod liver oil on circulating soluble(s) forms of ... Read More »
» Published in Eur J Clin Nutr. 2011 Feb 16.

16. Hydroxytyrosol inhibits pro-inflammatory cytokines, iNOS, and COX-2 expression in human monocytic cells.
Match Strength: 6.788

Hydroxytyrosol (HT), isolated from extra-virgin olive oil, possesses a marked antioxidant activity and is a good radical scavenger. In this study, our aim was to examine the anti-inflammatory mechanism of HT through measuring the inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2) expression, TNF-alpha formation, and nitric oxide (NO) release in lipopolysaccharide (LPS)-induced human monocytic (THP-1) cells. Results showed that HT remarkably suppressed the LPS (1 microg/ml) induction of NO release. It also significantly attenuated the LPS-induced transcription of TNF-alpha, iNOS, ... Read More »
» Published in Naunyn Schmiedebergs Arch Pharmacol. 2009 Jun;379(6):581-6. Epub 2009 Feb 7.

17. Dietary fatty acid unsaturation levels, lipoprotein oxidation and circulating chemokine in experimentally induced atherosclerotic rats.
Match Strength: 4.565

The dietary balance of long-chain fatty acids may influence processes involving leukocyte endothelial interactions, such as atherogenesis and inflammation. The relationship between proatherogenic lipoproteins and chemotactic motility is still controversial. However, the interaction of the former can increase recruitment of monocytes to the vessel walls and accelerate the events of atherogenesis. The current study examined the effects of unsaturated fatty acid levels on the oxidative susceptibility of lipoprotein, chemokine expressions and their relationship to atherosclerotic lesion ... Read More »
» Published in J Pharm Pharmacol. 2005 Nov;57(11):1467-74.

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* All information on Level1Diet.com is for educational purposes only. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. Before changing your diet, or adding supplements to your diet, or beginning an exercise program, everyone should consult a qualified and licensed health practitioner; a physician, dietician or similar professional.



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