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Olive oil

Behjat Javadi
Cancer is the second leading cause of death with profound socio-economic consequences worldwide. Growing evidence suggests the crucial role of diet on cancer prevention and treatment. In Traditional Persian Medicine (TPM) there is a major focus on contribution of special diet and foods to cancer management. In the present article, the cytotoxic and antitumor activities of several food items including plants and animal products recommended by TPM as anticancer agents are discussed. Strong evidence supports the anticancer effects of beetroot (Beta vulgris) and its major compound betanin, cinnamon and cinnamaldehyde, barley (H...
March 15, 2018: Nutrition and Cancer
Noelia Urquiza-Salvat, Manrique Pascual-Geler, Olga Lopez-Guarnido, Lourdes Rodrigo, Alba Martinez-Burgos, Jose Manuel Cozar, Francisco Manuel Ocaña-Peinado, Maria Jesus Álvarez-Cubero, Ana Rivas
In Europe, countries following the traditional Mediterranean Diet (MeDi), particularly Southern European countries, have lower prostate cancer (PCa) incidence and mortality compared to other European regions. In the present study, we investigated the association between the MeDi and the relative risk of PCa and tumor aggressiveness in a Spanish population. Among individual score components, it has been found that subjects with PCa were less likely to consume olive oil as the main culinary fat, vegetables, fruits and fish than those without...
March 15, 2018: Aging Male: the Official Journal of the International Society for the Study of the Aging Male
Ana G Pérez, Lorenzo León, Carlos Sanz, Raúl de la Rosa
Olive growing is mainly based on traditional varieties selected by the growers across the centuries. The few attempts so far reported to obtain new varieties by systematic breeding have been mainly focused on improving the olive adaptation to different growing systems, the productivity and the oil content. However, the improvement of oil quality has rarely been considered as selection criterion and only in the latter stages of the breeding programs. Due to their health promoting and organoleptic properties, phenolic compounds are one of the most important quality markers for Virgin olive oil (VOO) although they are not commonly used as quality traits in olive breeding programs...
2018: Frontiers in Plant Science
Lorenzo León, Raúl de la Rosa, Leonardo Velasco, Angjelina Belaj
A wide genetic diversity has been reported for wild olives, which could be particularly interesting for the introgression of some agronomic traits and resistance to biotic and abiotic stresses in breeding programs. However, the introgression of some beneficial wild traits may be paralleled by negative effects on some other important agronomic and quality traits. From the quality point of view, virgin olive oil (VOO) from olive cultivars is highly appreciated for its fatty acid composition (high monounsaturated oleic acid content) and the presence of several minor components...
2018: Frontiers in Plant Science
Monica Currò, Tiziana Russo, Nadia Ferlazzo, Daniela Caccamo, Pietro Antonuccio, Salvatore Arena, Saveria Parisi, Patrizia Perrone, Riccardo Ientile, Carmelo Romeo, Pietro Impellizzeri
Balanitis xerotica obliterans (BXO) is a chronic inflammatory skin disorder, considered the male genital variant of lichen sclerosus. Anti-inflammatory drugs are commonly used in BXO. We evaluated the effects of an innovative formulation of ozonated olive oil with vitamin E acetate (OZOILE® ) on the inflammatory status and tissue remodeling in male children with BXO. The mRNA transcripts of proteins involved either in inflammation or in dynamics of tissue regeneration were analyzed by quantitative real-time PCR, in foreskins affected by BXO removed from patients untreated or treated with OZOILE® cream for 7 days before circumcision...
March 13, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Fotios Tsopelas, Dimitris Konstantopoulos, Anna Tsantili Kakoulidou
In the present work, two approaches for the voltammetric fingerprinting of oils and their combination with chemometrics were investigated in order to detect the adulteration of extra virgin olive oil with olive pomace oil as well as the most common seed oils, namely sunflower, soybean and corn oil. In particular, cyclic voltammograms of diluted extra virgin olive oils, regular (pure) olive oils (blends of refined olive oils with virgin olive oils), olive pomace oils and seed oils in presence of dichloromethane and 0...
July 26, 2018: Analytica Chimica Acta
Loes H M Peeters, Hendrik P Huinink, Benjamin Voogt, Olaf C G Adan
Aureobasidium melanogenum is the main fungus found in a spontaneously formed biofilm on a oil-treated wood. This dark colored biofilm functions as a protective coating. To better understand biofilm formation, in this study A. melanogenum was cultured on olive oil and raw linseed oil. Metabolic activity and oil conversion were measured. The results show that A. melanogenum is able to grow on linseed oil and olive oil as a single carbon source. The fungus produces the enzyme lipase to convert the oil into fatty acids and glycerol...
March 12, 2018: MicrobiologyOpen
Nada Zaanouni, Mariem Gharssallaoui, Mabrouk Eloussaief, Slimane Gabsi
Due to constraints of fresh water for agricultural irrigation, wastewater was used for irrigation of agricultural land as alternative water resources in arid and semi-arid Tunisian regions. However, long-term irrigation may cause contamination by heavy metals in the soil as well as for crops, thus becoming a threat to humans. To understand the effect of irrigation with wastewater on the concentrations of heavy metals Cr, Cu, Mn, Zn, and Pb, in soil and plants, soil samples and plants were collected and analyzed...
March 11, 2018: Environmental Science and Pollution Research International
Wafa Hassen, Mohamed Neifar, Hanene Cherif, Afef Najjari, Habib Chouchane, Rim C Driouich, Asma Salah, Fatma Naili, Amor Mosbah, Yasmine Souissi, Noura Raddadi, Hadda I Ouzari, Fabio Fava, Ameur Cherif
A number of Pseudomonas strains function as inoculants for biocontrol, biofertilization, and phytostimulation, avoiding the use of pesticides and chemical fertilizers. Here, we present a new metabolically versatile plant growth-promoting rhizobacterium, Pseudomonas rhizophila S211, isolated from a pesticide contaminated artichoke field that shows biofertilization, biocontrol and bioremediation potentialities. The S211 genome was sequenced, annotated and key genomic elements related to plant growth promotion and biosurfactant (BS) synthesis were elucidated...
2018: Frontiers in Microbiology
Masaaki Konishi, Tomotake Morita, Tokuma Fukuoka, Tomohiro Imura, Shingo Uemura, Hiroyuki Iwabuchi, Dai Kitamoto
We discovered that Candida floricola ZM1502 is capable of selectively producing the promising hydrophilic biosurfactants, acid-form sophorolipids (SLs), from glycerol. However, productivity was very low (approximately 3.5 g L-1 ) under the initial culture conditions. Here, we describe the design of culture medium for abundant production of acid-form SLs by C. floricola ZM1502 using waste glycerol and hydrophobic substrates in order to develop a method for SL production and disposal of waste glycerol produced by oleo-chemical industries...
March 9, 2018: Journal of Oleo Science
Hédia Manai-Djebali, Imen Oueslati, Manuel A Martínez-Cañas, Mokhtar Zarrouk, Jacinto Sánchez-Casas
The chemical composition of extra virgin olive oils (EVOOs) from six new progenies, obtained through controlled crossings between the main Tunisian variety Chemlali and autochthonous (Chemcheli) and foreign cultivars (Sigoise, Coratina, Koroneiki, and Arbequina) used as pollen acceptor or pollinator, were compared with the EVOO of Chemlali cultivar known to be the main one cultivated in Tunisia as it is the most adapted to the arid climate. Several analytical determinations of major and minor components of EVOO were employed, especially triacylglycerol and sterol fractions...
March 9, 2018: Journal of Oleo Science
Ibtissem Ben Hammouda, Mehdi Triki, Bertrand Matthäus, Mohamed Bouaziz
The frying performance of pure refined olive-pomace oil (ROPO) and blended with refined coconut oil (RCO) (80:20) was compared during a frying operation of French fries at 180 °C. Blending polyunsaturated oils with highly saturated or monounsaturated oils has been studied extensively, however in literature there is no study has been reported so far on blending ROPO (rich in monounsaturated fatty acids) with RCO (rich in saturated fatty acids) to formulate new frying oils. At the end of the frying process, the blend of ROPO/RCO exhibited a higher chemical stability than the pure ROPO based on total polar compounds (TPC), and polymers...
March 10, 2018: Journal of Agricultural and Food Chemistry
Alice Cappucci, Susana P Alves, Rui J B Bessa, Arianna Buccioni, Federica Mannelli, Mariano Pauselli, Carlo Viti, Roberta Pastorelli, Valentina Roscini, Andrea Serra, Giuseppe Conte, Marcello Mele
Agro-industrial by-products contain several secondary plant metabolites, such as polyphenols, tannins, saponins, and essential oils. The effects of these compounds on animal metabolism may vary significantly according to the dose, the chemical nature of the molecules, and the overall composition of the diet. In the Mediterranean area, the olive oil extraction is associated with 2 by-products: olive pomace and wastewater, both rich in polyphenols. In particular, wastewater may be further processed to obtain olive crude phenolic concentrate (OCPC)...
March 7, 2018: Journal of Dairy Science
Birgit Dusemund, Nicole Nowak, Christine Sommerfeld, Oliver Lindtner, Bernd Schäfer, Alfonso Lampen
Acute liver toxicity, specifically in the form of hepatic veno-occlusive disease (HVOD), is known from reports on human poisonings following ingestions of 1,2-unsaturated pyrrolizidine alkaloids (PAs) containing herbs. Recently PA exposure via common foods contaminated via PA-producing plants raised concern, especially regarding the potential of genotoxicity and carcinogenicity. The health risks related to the estimated exposures to PAs from food were assessed. With respect to common foods, herbal teas and teas are the main sources through which consumers can be exposed to PAs...
March 7, 2018: Food and Chemical Toxicology
Pedro Talhinhas, Andreia Loureiro, Helena Oliveira
Olive anthracnose causes fruit rot leading to its drop or mummification, resulting in yield losses and in the degradation of oil quality. Taxonomy and distribution: The disease is caused by diverse species of Colletotrichum, mostly clustering in the C. acutatum species complex. Colletotrichum nymphaeae and C. godetiae are the prevalent species in the Northern Hemisphere, while C. acutatum sensu stricto is the most frequent species in the Southern Hemisphere, although it is recently and quickly emerging in the Northern Hemisphere...
March 8, 2018: Molecular Plant Pathology
Rostyslav V Bubnov, Maria V Drahulian, Polina V Buchek, Tamara P Gulko
Background: Liver fibrosis (LF) is a chronic disease, associated with many collateral diseases including reproductive dysfunction. Although the normal liver has a large regenerative capacity the complications of LF could be severe and irreversible. Hormone and sex-related issues of LF development and interactions with male reproductive have not been finally studied. The aim was to study the reproductive function of male rats in experimental CCl4 -induced liver fibrosis rat model, and the capability for restoration of both the liver and male reproduction system...
March 2018: EPMA Journal
Kay-Tee Khaw, Stephen J Sharp, Leila Finikarides, Islam Afzal, Marleen Lentjes, Robert Luben, Nita G Forouhi
INTRODUCTION: High dietary saturated fat intake is associated with higher blood concentrations of low-density lipoprotein cholesterol (LDL-C), an established risk factor for coronary heart disease. However, there is increasing interest in whether various dietary oils or fats with different fatty acid profiles such as extra virgin coconut oil may have different metabolic effects but trials have reported inconsistent results. We aimed to compare changes in blood lipid profile, weight, fat distribution and metabolic markers after four weeks consumption of 50 g daily of one of three different dietary fats, extra virgin coconut oil, butter or extra virgin olive oil, in healthy men and women in the general population...
March 6, 2018: BMJ Open
Xinchi Feng, Cuifen Wang, Yunhui Xu, Joel Turley, Zijian Xie, Sandrine V Pierre, Jinsong Hao
(1) Background: Cardiotonic steroids have been found to stimulate collagen synthesis and might be potential wound healing therapeutics. The objective of this study was to evaluate the feasibility of digitoxigenin and its topical formulation for wound healing; (2) Methods: In the in vitro study, the human dermal fibroblast cells were treated with digitoxigenin and collagen synthesis was assessed. In the in vivo study, digitoxigenin was applied to excisional full-thickness wounds in rats immediately after wounding and remained for three days, and wound open was evaluated over 10 days...
March 5, 2018: Bioengineering
Tugce Senturk Parreidt, Michael Schott, Markus Schmid, Kajetan Müller
Achieving high quality of a coated food product is mostly dependent on the characteristics of the food material to be coated, the properties of the components in the coating solution, and the obtained coating material. In the present study, usability and effectiveness of various components as well as their concentrations were assessed to produce an effective coating material. For this purpose, different concentrations of gelling agent (sodium alginate 0-3.5%, w / w ), plasticizers (glycerol and sorbitol (0-20%, w / w ), surfactants (tween 40, tween 80, span 60, span 80, lecithin (0-5%, w / w ), and vegetable oils (sunflower oil, olive oil, rapeseed oil (0-5%, w / w ) were used to prepare edible coating solutions...
March 6, 2018: International Journal of Molecular Sciences
Deliang Zhang, Rongqiang Zhuang, Zhide Guo, Mengna Gao, Lumei Huang, Linyi You, Pu Zhang, Jindian Li, Xinhui Su, Hua Wu, Xiaoyuan Chen, Xianzhong Zhang
Extracellular matrix (ECM) accumulation in liver fibrosis is caused by the activation of hepatic stellate cells (HSCs). The goal of this study was to develop a99m Tc-labeled N-acetylglucosamine (GlcNAc) that specifically interacts with desmin and vimentin expressed on activated HSCs to monitor the progression and prognosis of liver fibrosis using single-photon emission computed tomography (SPECT) imaging. Methods: GlcNAc-conjugated polyethylenimine (PEI) was first prepared and radiolabeled with99m Tc. Noninvasive SPECT imaging with99m Tc-GlcNAc-PEI was used to assess liver fibrosis in a carbon tetrachloride (CCl4 ) mouse model...
2018: Theranostics
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