Comment on Addressing Analytical Requirements To Support Health Claims on “Olive Oil Polyphenols” (EC Regulation 432/212)

2014 ◽  
Vol 62 (41) ◽  
pp. 10210-10211 ◽  
Author(s):  
Concepción Romero ◽  
Manuel Brenes
2020 ◽  
Vol 78 (11) ◽  
pp. 952-968 ◽  
Author(s):  
João Tomé-Carneiro ◽  
María Carmen Crespo ◽  
María Carmen López de las Hazas ◽  
Francesco Visioli ◽  
Alberto Dávalos

Abstract Consumption of highly processed foods, such as those high in trans fats and free sugars, coupled with sedentarism and chronic stress increases the risk of obesity and cardiometabolic disorders, while adherence to a Mediterranean diet is inversely associated with the prevalence of such diseases. Olive oil is the main source of fat in the Mediterranean diet. Data accumulated thus far show consumption of extra virgin, (poly)phenol-rich olive oil to be associated with specific health benefits. Of note, recommendations for consumption based on health claims refer to the phenolic content of extra virgin olive oil as beneficial. However, even though foods rich in monounsaturated fatty acids, such as olive oil, are healthier than foods rich in saturated and trans fats, their inordinate use can lead to adverse effects on health. The aim of this review was to summarize the data on olive oil consumption worldwide and to critically examine the literature on the potential adverse effects of olive oil and its main components, particularly any effects on lipid metabolism. As demonstrated by substantial evidence, extra virgin olive oil is healthful and should be preferentially used within the context of a balanced diet, but excessive consumption may lead to adverse consequences.


Molecules ◽  
2019 ◽  
Vol 24 (11) ◽  
pp. 2179 ◽  
Author(s):  
Maria Bellumori ◽  
Lorenzo Cecchi ◽  
Marzia Innocenti ◽  
Maria Lisa Clodoveo ◽  
Filomena Corbo ◽  
...  

The health claims of olive oil represent an important marketing lever in raising the willingness to pay for a product, but world producers of extra virgin olive oil (EVOO) do not take advantage of it because there are still obstacles to their use. Among these, one issue is the lack of an official method for determination of all free and linked forms derived from secoiridoidic structures of hydroxytyrosol and tyrosol. In this study, different acidic hydrolytic procedures for analyzing the linked forms were tested. The best method was validated and then applied to more than 100 EVOOs. The content of oleuropein and ligstroside derivatives in EVOOs was indirectly evaluated comparing the amount of phenols before and after hydrolysis. After acidic hydrolysis, a high content of total tyrosol was found in most of the EVOOs. The use of a suitable corrective factor for the evaluation of hydroxytyrosol allows an accurate determination only using pure tyrosol as a standard. Further knowledge on the concentration of total hydroxytyrosol will assist in forecasting the resistance of oils against aging, its antioxidant potential and to better control its quality over time.


2013 ◽  
Vol 57 (5) ◽  
pp. 760-771 ◽  
Author(s):  
Sandra Martín-Peláez ◽  
María Isabel Covas ◽  
Montserrat Fitó ◽  
Anita Kušar ◽  
Igor Pravst

2015 ◽  
Vol 74 (3) ◽  
pp. 268-281 ◽  
Author(s):  
S. Silva ◽  
E. Combet ◽  
M. E. Figueira ◽  
T. Koeck ◽  
W. Mullen ◽  
...  

Olive oil (OO) is the primary source of fat in the Mediterranean diet and has been associated with longevity and a lower incidence of chronic diseases, particularly CHD. Cardioprotective effects of OO consumption have been widely related with improved lipoprotein profile, endothelial function and inflammation, linked to health claims of oleic acid and phenolic content of OO. With CVD being a leading cause of death worldwide, a review of the potential mechanisms underpinning the impact of OO in the prevention of disease is warranted. The current body of evidence relies on mechanistic studies involving animal and cell-based models, epidemiological studies of OO intake and risk factor, small- and large-scale human interventions, and the emerging use of novel biomarker techniques associated with disease risk. Although model systems are important for mechanistic research nutrition, methodologies and experimental designs with strong translational value are still lacking. The present review critically appraises the available evidence to date, with particular focus on emerging novel biomarkers for disease risk assessment. New perspectives on OO research are outlined, especially those with scope to clarify key mechanisms by which OO consumption exerts health benefits. The use of urinary proteomic biomarkers, as highly specific disease biomarkers, is highlighted towards a higher translational approach involving OO in nutritional recommendations.


Antioxidants ◽  
2019 ◽  
Vol 8 (9) ◽  
pp. 331 ◽  
Author(s):  
Antonella Smeriglio ◽  
Giovanni Toscano ◽  
Marcella Denaro ◽  
Clara De Francesco ◽  
Simona Agozzino ◽  
...  

The functional foods field has recently evolved due to new research being carried out in the food area and greater regulations; these factors have contributed to the creation of health claims, and to the increasing attention that consumers give to health-promoting food products. The aim of this research was to improve the shelf-life of a typical functional food of the Mediterranean diet, the Extra Virgin Olive Oil (EVOO). We focused our attention on the standardization and validation of a production process, starting from the cultivation and harvesting of the olives, which would guarantee a product of quality in terms of bioactive compound content. Furthermore, a methodology/procedure to preserve them in the best way over a long period of time, in order to guarantee the consumer receives a product that retains its functional and organoleptic native properties, was evaluated. The monitoring of biological cultivations, harvesting, milling process, and storage, as well as careful quality control of the analytical parameters (e.g., contents of polyphenols, α-tocopherol, fatty acids, acidity, peroxides, dienes, trienes, ΔK, and antioxidant power) showed that, under the same conditions, a nitrogen headspace is a discriminating factor for the maintenance of the functional properties of EVOO.


2014 ◽  
Vol 44 (6) ◽  
pp. 586-600 ◽  
Author(s):  
Leonardo Casini ◽  
Caterina Contini ◽  
Nicola Marinelli ◽  
Caterina Romano ◽  
Gabriele Scozzafava

Purpose – The purpose of this paper is to verify the market potentials of health claims by means of a study that tests the effectiveness of extra-virgin olive oil promotion based on the nutraceutical indications recently authorised by European regulations. Design/methodology/approach – The methodology utilises a discrete choice experiment on a sample of Italian consumers. Market segmentation is performed by means of applying a latent-class model. Findings – The health claim proves particularly interesting for two consumer segments: the “functional claim seekers” (24 per cent) and the “reduction of disease risk claim seekers” (13 per cent). The former segment consists of young, single males who prefer more moderately priced olive oils. The latter is instead made up of elderly individuals who prefer an explicit message on disease and are oriented towards the higher price ranges. Practical implications – The potentials in implementing a promotional strategy based on the awareness of olive oil’s nutraceutical properties are demonstrated. Strategies will have to target specific characteristics of the various consumer segments. Originality/value – This paper has confirmed the opportunities that the recent European regulations on health claims have introduced for the olive oil market. This form of promotion could prove particularly important for quality productions that are often insufficiently recognised vis-à-vis their high production costs.


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