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https://www.readbyqxmd.com/read/28534922/fiber-purified-extracts-of-carob-fruit-decrease-carbohydrate-absorption
#1
A Macho-González, A Garcimartín, M E López-Oliva, G Bertocco, F Naes, S Bastida, F J Sánchez-Muniz, J Benedí
The postprandial state plays a central role in the development and setting of chronic diseases. Condensed tannins (CT) are polyphenols with a known ability to modify carbohydrate digestion and absorption. The high concentration of CT in the pulp of carob fruit suggests a potential antidiabetic effect. The aim of this work was to analyze the in vitro and in vivo effects of carob fruit extract (CFE) on the digestion and absorption of carbohydrates. α-Glucosidase activity and glucose diffusion were tested in vitro using 0...
May 23, 2017: Food & Function
https://www.readbyqxmd.com/read/28533029/determination-of-mineral-oil-aromatic-hydrocarbons-moah-in-edible-oils-and-fats-by-online-liquid-chromatography-gas-chromatography-flame-ionization-detection-lc-gc-fid-evaluation-of-automated-removal-strategies-for-biogenic-olefins
#2
Marco Nestola, Torsten C Schmidt
The determination of mineral oil aromatic hydrocarbons (MOAH) in foodstuffs gained in importance over the last years as carcinogenicity cannot be excluded for certain MOAH. The existence of olefins in foodstuffs, such as edible oils and fats, can be problematic for the determination of MOAH by LC-GC-FID. Removal of these interfering substances by HPLC based on polarity differences is not possible. During gas chromatographic separation heavily overloaded peaks are observed rendering the detection of small mineral oil contaminations almost impossible...
May 16, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28530614/effect-of-traditional-chinese-cooking-methods-on-fatty-acid-profiles-of-vegetable-oils
#3
Yamin Cui, Pengfei Hao, Bingjie Liu, Xianghong Meng
The effect of four frying processes (vegetable salad, stir frying, pan frying, and deep frying) on fatty acid composition of ten vegetable oils (peanut oil, soybean oil, rapeseed oil, corn oil, sunflower seed oil, rice bran oil, olive oil, sesame oil, linseed oil, and peony seed oil) was investigated using GC-MS. The result showed that trans-fatty acid (TFA) was produced during all processes. Rapeseed oil had the highest TFA content in vegetable salad oil with 2.88% of total fatty acid. The TFA content of sunflower seed oil was 0...
October 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28530096/engineering-eschericha-coli-for-enhanced-tyrosol-production
#4
Yuxiang Xue, Xianzhong Chen, Cui Yang, Junzhuang Chang, Wei Shen, You Fan
Tyrosol is a phenolic compound found in olive oil and wines. The health benefits of tyrosol have attracted considerable attention. Because the tyrosol extraction from plants poses a major obstacle, biosynthesizing this compound using microbial hosts is of interest. In this study, the phenylpyruvate decarboxylase gene ARO10 and the aromatic amino acid aminotransferase gene ARO8 were introduced into Escherichia coli to generate two recombinant tyrosol producers. Deleting the prephenate dehydratase pheA and the phenylacetaldehyde dehydrogenase gene feaB improved the tyrosol production...
May 22, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28526925/polyphenolic-extract-attenuates-fatty-acid-induced-steatosis-and-oxidative-stress-in-hepatic-and-endothelial-cells
#5
Laura Vergani, Giulia Vecchione, Francesca Baldini, Elena Grasselli, Adriana Voci, Piero Portincasa, Pier Francesco Ferrari, Bahar Aliakbarian, Alessandro A Casazza, Patrizia Perego
PURPOSE: Phenolic compounds (PC) of virgin olive oil exert several biochemical and pharmacological beneficial effects. Some dietary PC seem to prevent/improve obesity and metabolic-related disorders such as non-alcoholic fatty liver disease (NAFLD). We investigated the possible effects of PC extracted from olive pomace (PEOP) and of the main single molecules present in the extract (tyrosol, apigenin, oleuropein, p-coumaric and caffeic acid) in protecting hepatocytes and endothelial cells against triglyceride accumulation and oxidative stress...
May 19, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28523377/mining-lipolytic-enzymes-in-community-dna-from-high-andean-soils-using-a-targeted-approach
#6
Daniel Borda-Molina, José Salvador Montaña, María Mercedes Zambrano, Sandra Baena
Microbial enrichments cultures are a useful strategy to speed up the search for enzymes that can be employed in industrial processes. Lipases have gained special attention because they show unique properties such as: broad substrate specificity, enantio- and regio-selectivity and stability in organic solvents. A major goal is to identify novel lipolytic enzymes from microorganisms living in cold extreme environments such as high Andean soils, of relevance to our study being their capability be used in industrial processes...
May 18, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/28521334/lifestyle-recommendations-for-the-prevention-and-management-of-metabolic-syndrome-an-international-panel-recommendation
#7
Pablo Pérez-Martínez, Dimitri P Mikhailidis, Vasilios G Athyros, Mónica Bullo, Patrick Couture, María I Covas, Lawrence de Koning, Javier Delgado-Lista, Andrés Díaz-López, Christian A Drevon, Ramón Estruch, Katherine Esposito, Montserrat Fitó, Marta Garaulet, Dario Giugliano, Antonio García-Ríos, Niki Katsiki, Genovefa Kolovou, Benoît Lamarche, Maria Ida Maiorino, Guillermo Mena-Sánchez, Araceli Muñoz-Garach, Dragana Nikolic, José M Ordovás, Francisco Pérez-Jiménez, Manfredi Rizzo, Jordi Salas-Salvadó, Helmut Schröder, Francisco J Tinahones, Rafael de la Torre, Ben van Ommen, Suzan Wopereis, Emilio Ros, José López-Miranda
The importance of metabolic syndrome (MetS) lies in its associated risk of cardiovascular disease and type 2 diabetes, as well as other harmful conditions such as nonalcoholic fatty liver disease. In this report, the available scientific evidence on the associations between lifestyle changes and MetS and its components is reviewed to derive recommendations for MetS prevention and management. Weight loss through an energy-restricted diet together with increased energy expenditure through physical activity contribute to the prevention and treatment of MetS...
May 1, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/28513067/interventions-for-cutaneous-molluscum-contagiosum
#8
REVIEW
Johannes C van der Wouden, Renske van der Sande, Emma J Kruithof, Annet Sollie, Lisette Wa van Suijlekom-Smit, Sander Koning
BACKGROUND: Molluscum contagiosum is a common skin infection that is caused by a pox virus and occurs mainly in children. The infection usually resolves within months in people without immune deficiency, but treatment may be preferred for social and cosmetic reasons or to avoid spreading the infection. A clear evidence base supporting the various treatments is lacking.This is an update of a Cochrane Review first published in 2006, and updated previously in 2009. OBJECTIVES: To assess the effects of specific treatments and management strategies, including waiting for natural resolution, for cutaneous, non-genital molluscum contagiosum in people without immune deficiency...
May 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28511592/cytotoxicity-mutagenicity-and-antimutagenicity-of-the-gentisic-acid-on-htc-cells
#9
Flavia Maria Lima Cavalcante, Igor Vivian Almeida, Elisângela Düsman, Mário Sérgio Mantovani, Veronica Elisa Pimenta Vicentini
Gentisic acid (GA) exhibits antioxidant, anti-inflammatory, and antibiotic activities. This substance can be found in citrus fruits, grapes, olive oil, and peas. Considering that there are few studies in the literature on the toxicity of GA, the present work aimed to investigate its cytotoxic, mutagenic, and antimutagenic activities on HTC cells. GA was diluted in culture medium at the final concentration of 0.08, 0.16, 0.8, 1.6, and 8 μg/mL. The cytotoxicity was determined by the MTT assay and Trypan Blue exclusion method, with methyl methanesulfonate and doxorubicin as positive controls, respectively...
May 16, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/28507942/quality-properties-of-sesame-and-olive-oils-incorporated-with-flaxseed-oil
#10
Fataneh Hashempour-Baltork, Mohammadali Torbati, Sodeif Azadmard-Damirchi, Geoffrey Peter Savage
Purpose: Suitable ratio of essential fatty acids has an important role in maintaining good health. There is no pure oil with an ideal fatty acid composition and oxidative stability. The main goal of the present study was to evaluate the physical, chemical and nutritional properties of oil obtained by blending flaxseed oil as a rich source of ω3 fatty acids with sesame and olive oils. Methods: Three different ratios (65:30:5, 60:30:10 and 55:30:15) were prepared using olive, sesame and flaxseed oils. These mixtures were stored at 4°C and 24°C and their quality and physicochemical properties were determined by measuring the fatty acid composition, phenolic compound, peroxide, anisidine values and schaal tests...
April 2017: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28507055/adhesion-and-friction-of-the-smooth-attachment-system-of-the-cockroach-gromphadorhina-portentosa-and-the-influence-of-the-application-of-fluid-adhesives
#11
Oliver Betz, Melina Frenzel, Michael Steiner, Martin Vogt, Malte Kleemeier, Andreas Hartwig, Benjamin Sampalla, Frank Rupp, Moritz Boley, Christian Schmitt
Two different measurement techniques were applied to study the attachment of the smooth foot pads of the Madagascar hissing cockroach Gromphadorhina portentosa The attachment of the non-manipulated adhesive organs was compared with that of manipulated ones (depletion or substitution by artificial secretions). From measurements of the friction on a centrifuge, it can be concluded that on nanorough surfaces, the insect appears to benefit from employing emulsions instead of pure oils to avoid excessive friction...
May 15, 2017: Biology Open
https://www.readbyqxmd.com/read/28501987/effect-of-glucose-and-olive-oil-as-potential-carbon-sources-on-production-of-phas-copolymer-and-tercopolymer-by-bacillus-cereus-fa11
#12
Farha Masood, Maria Abdul-Salam, Tariq Yasin, Abdul Hameed
In this study, the influence of different physicochemical parameters on the yield of polyhydroxyalkanoates (PHAs) produced by Bacillus cereus FA11 is investigated. The physicochemical factors include pH, temperature, time, inoculum size and its age, agitation speed and composition of the glucose rich peptone deficient (GRPD) medium. During two-stage fermentation, B. cereus FA11 produced a significantly high (p < 0.05) yield (80.59% w/w) of PHAs copolymer using GRPD medium containing glucose (15 g/L) and peptone (2 g/L) at pH 7, 30 °C and 150 rpm after 48 h of incubation...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28501779/coenzyme-q10-improves-the-survival-mesenteric-perfusion-organs-and-vessel-functions-in-septic-rats
#13
Erdem Kamil Ozer, Mustafa Tugrul Goktas, Ibrahim Kilinc, Sultan Pehlivan, Hulagu Bariskaner, Ceyhan Ugurluoglu, Alper Bektas Iskit
BACKGROUND: Coenzyme Q10 (CoQ10) is a naturally occurring, lipid-soluble antioxidant and an essential electron carrier in the mitochondrial respiratory chain. In sepsis, CoQ10 deficiency induced by mitochondrial failure can lead to hypoxia, hypoperfusion, oxidative organ damage and finally death. We aimed to investigate the effects of CoQ10 on survival, mesenteric artery blood flow (MABF), vascular reactivity, oxidative and inflammatory injuries in cecal ligation and puncture (CLP)-induced sepsis...
May 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28501131/microrna-203-promotes-liver-regeneration-after-partial-hepatectomy-in-cirrhotic-rats
#14
Xiao-Bo Chen, Xiao-Bo Zheng, Zhen-Xing Cai, Xian-Jian Lin, Ming-Qing Xu
BACKGROUND: Liver resection or partial hepatectomy (PH) is still the most commonly used therapeutic option for hepatocellular carcinoma (HCC) at present. However, the impaired regenerative ability induced by the accompanied liver cirrhosis is an important risk factor of posthepatectomy liver failure, and posthepatectomy liver failure is a feared complication that accounts for up to 75% of mortality after extensive liver resection. MicroRNA(miR)-203 is a tumor suppressor of HCC and may act as a positive intermediary in A20-enhanced interleukin (IL-6)/signal transducer and activator of transcription 3 (STAT3) pro-proliferative signals, which may promote liver regeneration after PH...
May 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28496947/efficient-media-for-high-lipase-production-one-variable-at-a-time-approach
#15
Safoura Soleymani, Houri Alizadeh, Hossein Mohammadian, Emad Rabbani, Fatemeh Moazen, Hamid MirMohammad Sadeghi, Ziaedin Samsam Shariat, Zahra Etemadifar, Mohammed Rabbani
BACKGROUND: Lipase enzymes have applications in a wide range of industries. A crucial determining factor of industrial prices of these enzymes is the culture media composition that is constantly under review by researchers. In this work, for maximum lipase production by Bacillus sp. ZR-5, culture media compositions were optimized using ″one variable at a time″ strategy. METHODS: For this purpose, the culture medium parameters such as low and high cost carbon and nitrogen sources, substrates and incubation times were evaluated...
April 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28496461/simultaneous-optimization-of-multiple-response-variables-for-the-gelatin-chitosan-microcapsules-containing-angelica-essential-oil
#16
Qiang Li, Li-Jian Sun, Xian-Feng Gong, Yang Wang, Xue-Ling Zhao
Angelica essential oil (AO), a major pharmacologically active component of Angelica sinensis (Oliv.) Diels, possesses hemogenesis, analgesic activities, and sedative effect. The application of AO in pharmaceutical systems had been limited because of its low oxidative stability. The AO-loaded gelatin-chitosan microcapsules with prevention from oxidation were developed and optimized using response surface methodology. The effects of formulation variables (pH at complex coacervation, gelatin concentration, and core/wall ratio) on multiple response variables (yield, encapsulation efficiency, antioxidation rate, percent of drug released in 1 h, and time to 85% drug release) were systemically investigated...
2017: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/28494640/identification-of-3-mcpd-esters-to-verify-the-adulteration-of-extra-virgin-olive-oil
#17
Wei-Ching Hung, Guan-Jhih Peng, Wen-Ju Tsai, Mei-Hua Chang, Chia-Ding Liao, Su-Hsiang Tseng, Ya-Min Kao, Der-Yuan Wang, Hwei-Fang Cheng
Abstracts The adulteration of olive oil is an important issue around the world. This paper reports an indirect method by which to identify 3-monochloropropane-1,2-diol esters (3-MCPD esters) in olive oils. Following sample preparation, the samples were spiked with 1,2-bis-palmitoyl-3-chloropropanediol standard for analysis using gas chromatograph-tandem mass spectrometry. The total recovery ranged from 102.8 to 105.5%, the coefficient of variation ranged from 1.1 to 10.1%, and the limit of quantification was 0...
May 12, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28492312/synthesis-and-characterization-of-graphene-oxide-polystyrene-composite-capsules-with-aqueous-cargo-via-a-water-oil-water-multiple-emulsion-templating-route
#18
Muthana Ali, Thomas M McCoy, Ian R McKinnon, Mainak Majumder, Rico F Tabor
Graphene oxide/polystyrene (GO/PS) nanocomposite capsules containing a two-compartment cargo have been successfully fabricated using a Pickering emulsion strategy. Highly purified GO sheets with typically micron-scale lateral dimensions and amphiphilic characteristics were prepared from the oxidation reaction of graphite with concomitant exfoliation of the graphite structure. These GO sheets were employed as a stabilizer for oil-in-water emulsions where the oil phase comprised toluene or olive oil. The stability and morphology of the emulsions were extensively studied as a function of different parameters including GO concentration, aqueous phase pH, ultrasonication time, effects of added electrolytes and stability to dilution...
May 11, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28490146/development-and-optimization-of-an-efficient-qpcr-system-for-olive-authentication-in-edible-oils
#19
Alba Alonso-Rebollo, Sonia Ramos-Gómez, María D Busto, Natividad Ortega
The applicability of qPCR in olive-oil authentication depends on the DNA obtained from the oils and the amplification primers. Therefore, four olive-specific amplification systems based on the trnL gene were designed (A-, B-, C- and D-trnL systems). The qPCR conditions, primer concentration and annealing temperature, were optimized. The systems were tested for efficiency and sensitivity to select the most suitable for olive oil authentication. The selected system (D-trnL) demonstrated specificity toward olive in contrast to other oleaginous species (canola, soybean, sunflower, maize, peanut and coconut) and showed high sensitivity in a broad linear dynamic range (LOD and LOQ: 500ng - 0...
October 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28490119/complex-interactive-effects-of-ripening-degree-malaxation-duration-and-temperature-on-oblica-cv-virgin-olive-oil-phenols-volatiles-and-sensory-quality
#20
Igor Lukić, Mirella Žanetić, Maja Jukić Špika, Marina Lukić, Olivera Koprivnjak, Karolina Brkić Bubola
The interactive effects of ripening degree, malaxation duration and temperature on Oblica cv. (Olea europaea L.) virgin olive oil phenols, volatiles, and sensory quality were investigated. Olives were picked at three ripening degrees with International Olive Council indices of 0.68, 2.48 and 4.10, and processed by malaxation at 22 and 30°C, and at both temperatures for 30 and 60min. Ripening exhibited the strongest effect, and malaxation duration the weakest. Phenols were generally found to decrease during ripening; however 3,4-DHPEA-EDA and p-HPEA-EDA increased...
October 1, 2017: Food Chemistry
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