chemistry and health of olive oil phenols pdf

Chemistry and health of olive oil phenols pdf

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Introduction

Olive Oil: Antioxidant Compounds and Their Potential Effects over Health

Olive Oil Phenols

Olive oil is a liquid fat obtained from olives the fruit of Olea europaea ; family Oleaceae , a traditional tree crop of the Mediterranean Basin , produced by pressing whole olives and extracting the oil. It is commonly used in cooking, for frying foods or as a salad dressing. It is also used in cosmetics , pharmaceuticals , and soaps , and as a fuel for traditional oil lamps , and has additional uses in some religions. The olive is one of three core food plants in Mediterranean cuisine ; the other two are wheat and grapes.

Introduction

Thank you for visiting nature. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser or turn off compatibility mode in Internet Explorer. In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. In recent years, a large number of biological properties and an important role in the organoleptic characteristics of olive oil have been attributed to phenolic secoiridoids, such as oleacein, oleocanthal, oleuropein aglycone and ligstroside aglycone.

Schiff, 6, Sesto Fiorentino, Italy. Olea europaea L. Among these minor components, phenolics are relevant molecules for human health. Specifically, the cardioprotective properties of the Mediterranean diet MD related to olive oil consumption, and the biological activities of polyphenols recovered from olive oil by-products and leaves were described. Recent European projects such as EPIC European Prospective Investigation into Cancer and Nutrition and EPICOR long-term follow-up of antithrombotic management patterns in acute coronary syndrome patients have demonstrated the functional and preventive activities of EVOO showing the relation both between cancer and nutrition and between consumption of EVOO, vegetables, and fruit and the incidence of coronary heart disease. Extra-virgin olive oil EVOO , extracted physically from the fruit, is known for its nutritional properties and health effects, especially against cardiovascular diseases CVDs. Only EVOO, and not all seed oils, has a high percentage of fatty acids with a correct balance of unsaturated fatty acids stabilized by minor polar compounds, with an antioxidant character [ 1 ].

Olive Oil: Antioxidant Compounds and Their Potential Effects over Health

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Olive oil possesses a predominant role in the diet of countries around the Mediterranean basin, whereas it is a known constituent of several sectors of human culture. The polyphenolic composition of olive oil seems to be a key factor in its beneficial biological properties. Based on the above, the aim of this study was to correlate the polyphenolic composition of five extracts derived from a Greek olive oil variety with their antioxidant potency and antimutagenic activities in vitro with chemical-based techniques and cell culture-based assays. However, this observation was not evident in the cell culture model i. Specifically, the T-rich extracts more effectively increased endogenous GSH levels measured by flow cytometry than did the HT-rich compounds.

Chemical characterization and oxidative stability of olive oils extracted from olive trees of Southern Brazil. E-mail: marianhbruscatto gmail. E-mail: zambiazi gmail. E-mail: clarisse iq. E-mail: enilton. The objective of this work was to characterize the chemical composition of olive Olea europaea oils produced in Southern of Brazil and correlate it with oxidative stability. Olive oils from the Arbequina, Coratina, Frantoio and Koroneiki cultivars were evaluated.

Olive Oil Phenols

Olive oil is considered as a key component of the healthy property of the Mediterranean diet due to its fatty acid, vitamin and polyphenol composition. High monounsaturated fatty acids, and in particular oleic acid, are responsible for the benefits obtained from consuming olive oil. Also, the known benefits are considered to be due to a combination of several phytochemicals. There are more than minor components in olive oil with biological activities.

Grant C. Kristen N. Quyen Anh T.

Olive oils contain numerous substances that have a beneficial role in human health. Phenols are natural compounds that are present in extra-virgin olive oil EVOO , and they are produced at the malaxation step of the olive oil production. The four most abundant phenols in EVOO are oleocanthal, oleacein, ligstroside aglycon, and oleuropein aglycon. These phenols exhibit significant biological effects in many diseases, participating in various cellular and biochemical processes. Oleocanthal can protect and prevent against the Alzheimer disease, demonstrates acute antiplatelet effects, which has a vital role against cancer, and can act like ibuprofen.

ROSA M.

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Члены группы будут уверены, что производят облаву на наркодельцов. Стратмор, несомненно, постарается проверить все лично и найти пароль из шестидесяти четырех знаков. Затем он его уничтожит, и Цифровая крепость навсегда исчезнет из Интернета. - Действуй своим маячком очень осторожно, - сказал Стратмор.  - Если Северная Дакота заподозрит, что мы его ищем, он начнет паниковать и исчезнет вместе с паролем, так что никакая штурмовая группа до него не доберется.

Хейл понял, что попал в яблочко. Но невозмутимость Стратмора, очевидно, подверглась тяжкому испытанию. - Кто тебе это сказал? - спросил он, и в его голосе впервые послышались металлические нотки. - Прочитал, - сказал Хейл самодовольно, стараясь извлечь как можно больше выгоды из этой ситуации.  - В одном из ваших мозговых штурмов.

 Информация уходит. - Вторжение по всем секторам. Сьюзан двигалась как во сне. Подойдя к компьютеру Джаббы, она подняла глаза и увидела своего любимого человека. Его голос гремел: - Три.

2 comments

  • Rosana A. 24.04.2021 at 23:12

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  • Nathan S. 26.04.2021 at 04:42

    Presumably, regular dietary consumption of virgin olive oil containing phenolic compounds manifests in health benefits associated with a.

    Reply

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