keyword
MENU ▼
Read by QxMD icon Read
search

red wine

keyword
https://www.readbyqxmd.com/read/28804435/color-anthocyanin-and-antioxidant-characteristics-of-young-wines-produced-from-spine-grapes-vitis-davidii-foex-in-china
#1
Fuliang Han, Yanlun Ju, Xianrui Ruan, Xianfang Zhao, Xiaofeng Yue, Xifu Zhuang, Minyang Qin, Yulin Fang
Background: Spine grape has gained attention in the field of wine science due to its good growth characteristics. Spine grape wine has been made by local residents for a long time. However, the scientific evaluation of spine wine has not been systemically documented compared to Vitis vinifera grape wines Methods: We compared 11 spine wines from south China (W1-W11) with 7 high-quality international wines (W12-W18). The total phenolic content, the total anothcyanin content and the antioxidant activity of these wines were analyzed and compared...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28796948/identification-of-polyphenol-specific-innate-epitopes-originated-from-a-resveratrol-analogue
#2
Mai Furuhashi, Yukinori Hatasa, Sae Kawamura, Takahiro Shibata, Mitsugu Akagawa, Koji Uchida
Polyphenols have received significant attention in disease prevention due to their unique chemical and biological properties. However, the underlying molecular mechanism for their beneficial effects remains unclear. We have now identified a polyphenol as a source of innate epitopes detected in natural IgM and established a unique gain-of-function mechanism in the formation of innate epitopes by polyphenol via the polymerization of proteins. Upon incubation with bovine serum albumin (BSA) under physiological conditions, several polyphenols converted the protein into the innate epitopes recognized by the IgM antibodies...
August 10, 2017: Biochemistry
https://www.readbyqxmd.com/read/28782879/extraction-of-ochratoxin-a-in-red-wine-with-dopamine-coated-magnetic-multi-walled-carbon-nanotubes
#3
Hong Wan, Bo Zhang, Xiao-Lin Bai, Yan Zhao, Meng-Wei Xiao, Xun Liao
A new, rapid, green, and cost-effective magnetic solid-phase extraction of ochratoxin A from red wine samples was developed using polydopamine-coated magnetic multi-walled carbon nanotubes as the absorbent. The polydopamine-coated magnetic multi-walled carbon nanotubes were fabricated with magnetic multi-walled carbon nanotubes and dopamine by an in situ oxidative self-polymerization approach. Transmission electron microscopy, dynamic light scattering, X-ray photoelectron spectroscopy and vibrating sample magnetometry were used to characterize the absorbents...
August 7, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28772660/the-effect-of-different-storage-media-on-color-stability-of-self-adhesive-composite-resin-cements-for-up-to-one-year
#4
Anja Liebermann, Malgorzata Roos, Bogna Stawarczyk
The aim of this study was to analyze the long-term color stability of eight self-adhesive composite resin cements (SACRCs) after storage in diverse media for up to one year. 480 discs (diameter: 12 mm/thickness: 1.0 ± 0.05 mm) were fabricated (n = 60/SACRC): (1) BeautyCem (BEA); (2) Bifix SE (BIF); (3) Clearfil SA Cement Automix (CLE); (4) RelyX Unicem 2 Automix (RXU); (5) SeT (SET); (6) SmartCem 2 (SMC); (7) SoloCem (SOC); and (8) SpeedCEM (SPC). After polishing, specimens were immersed in (a) red wine (RW); (b) curry-solution (CU); (c) cress-solution (CR); and (d) distilled water (DW) at 37 °C and measured after 7, 28, 90, 180, and 365 days for color differences (ΔE) and water absorption (WA)...
March 16, 2017: Materials
https://www.readbyqxmd.com/read/28769887/sequential-inoculation-of-native-non-saccharomyces-and-saccharomyces-cerevisiae-strains-for-wine-making
#5
Beatriz Padilla, Laura Zulian, Àngela Ferreres, Rosa Pastor, Braulio Esteve-Zarzoso, Gemma Beltran, Albert Mas
The use of non-Saccharomyces yeast for wine making is becoming a common trend in many innovative wineries. The application is normally aimed at increasing aromas, glycerol, reducing acidity, and other improvements. This manuscript focuses on the reproduction of the native microbiota from the vineyard in the inoculum. Thus, native selected yeasts (Hanseniaspora uvarum, Metschnikowia pulcherrima, Torulaspora delbrueckii, Starmerella bacillaris species and three different strains of Saccharomyces cerevisiae) were inoculated sequentially, or only S...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28767146/a-randomised-trial-of-effects-of-alcohol-on-cytochrome-p450-eicosanoids-mediators-of-inflammation-resolution-and-blood-pressure-in-men
#6
Anne E Barden, Venus Chavez, Michael Phillips, Emilie Mas, Lawrence J Beilin, Kevin D Croft, Trevor A Mori, Ian B Puddey
BACKGROUND: Cardiovascular effects of alcohol consumption may be influenced by both pro- and anti-inflammatory mechanisms. We previously showed that chronic alcohol consumption increased blood pressure (BP), oxidative stress and 20-hydroxyeicosatetraenoic acid (20-HETE), a vasoconstrictor and pro-inflammatory eicosanoid synthesised by CYP450 enzymes from arachidonic acid. This study in men examined the effect of consuming red wine (RW) on BP in relation to changes in 20-HETE, oxidative stress (F2 -isoprostanes), markers of inflammation, anti-inflammatory CYP450 epoxyeicosatrienoic acids (EETs) and specialised pro-resolving mediators of inflammation (SPMs) derived from eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA)...
August 2, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28764008/2-methylbutyl-acetate-in-wines-enantiomeric-distribution-and-sensory-impact-on-red-wine-fruity-aroma
#7
Margaux Cameleyre, Georgia Lytra, Sophie Tempere, Jean-Christophe Barbe
Enantiomers of 2-methylbutyl acetate were assayed in red and white commercial wines from various vintages and origins, using chiral gas chromatography (γ-cyclodextrin), revealing the exclusive presence of the S-enantiomeric form. Results also confirmed that (S)-2-methylbutyl acetate levels were generally higher in red than white wines of the same age, and that acetate levels increased gradually during ageing. Olfactory threshold of (S)-2-methylbutyl acetate was evaluated at 313µg/L in dilute alcohol solution (12% v/v) and 1083µg/L in a fruity aromatic reconstitution, reflecting its presence in wines at subthreshold concentrations...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28762321/rapid-determination-of-amino-acids-in-beer-red-wine-and-donkey-hide-gelatin-by-gradient-elution-of-hplc-from-micellar-liquid-chromatography-to-high-submicellar-liquid-chromatography
#8
Yunfei Xie, Tian Luo, Jing Yang, Yuming Dong
Amino acids (AAs) in beer, red wine, and donkey-hide gelatin were rapidly determined by gradient LC elution from micellar LC to high submicellar LC. Mobile phase A was a 0.075 M sodium dodecyl sulfate solution containing 20 mM ammonium acetate with a pH value adjusted to 3.5 with acetic acid solution, and mobile phase B was acetonitrile. Optimized chromatographic conditions were as follows: mobile phase B increased from 25 to 60% (v/v) in 30 min and the use of a Venusil XBP C18 column (5 µm, 250 × 4...
July 31, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28759085/resveratrol-did-not-alter-blood-pressure-in-rats-with-nitric-oxide-synthase-inhibited-hypertension
#9
Mehmet Aydin, Buket Gungor, A Secil Akdur, Hakki Engin Aksulu, Coskun Silan, Ibrahim Susam, Ali Kemal Cabuk, Gizem Cabuk
BACKGROUND: Inhibition of nitric oxide synthase (NOS) is a well-known experimental model of hypertension (HT). It was shown that oxidative stress contributes to the pathogenesis of HT. Resveratrol is a potent anti-oxidant that is found in red grapes, peanuts and red wine. It improves the NO response and increases endothelial NOS expression, which causes endothelium-dependent vasorelaxation as well as renal vasodilation. We aimed to explore the effects of resveratrol on blood pressure, the water-salt balance and sodium excretion as a reflection of renal function in NOS-inhibited rat models...
May 2017: Cardiovascular Journal of Africa
https://www.readbyqxmd.com/read/28757581/identification-of-urinary-polyphenol-metabolite-patterns-associated-with-polyphenol-rich-food-intake-in-adults-from-four-european-countries
#10
Hwayoung Noh, Heinz Freisling, Nada Assi, Raul Zamora-Ros, David Achaintre, Aurélie Affret, Francesca Mancini, Marie-Christine Boutron-Ruault, Anna Flögel, Heiner Boeing, Tilman Kühn, Ruth Schübel, Antonia Trichopoulou, Androniki Naska, Maria Kritikou, Domenico Palli, Valeria Pala, Rosario Tumino, Fulvio Ricceri, Maria Santucci de Magistris, Amanda Cross, Nadia Slimani, Augustin Scalbert, Pietro Ferrari
We identified urinary polyphenol metabolite patterns by a novel algorithm that combines dimension reduction and variable selection methods to explain polyphenol-rich food intake, and compared their respective performance with that of single biomarkers in the European Prospective Investigation into Cancer and Nutrition (EPIC) study. The study included 475 adults from four European countries (Germany, France, Italy, and Greece). Dietary intakes were assessed with 24-h dietary recalls (24-HDR) and dietary questionnaires (DQ)...
July 25, 2017: Nutrients
https://www.readbyqxmd.com/read/28750526/improved-sensitivity-of-acetaldehyde-biosensor-by-detecting-adh-reverse-reaction-mediated-nadh-fluoro-quenching-for-wine-evaluation
#11
Kenta Iitani, Po-Jen Chien, Takuma Suzuki, Koji Toma, Takahiro Arakawa, Yasuhiko Iwasaki, Kohji Mitsubayashi
Acetaldehyde (AcH) is found in ambient air, foods, and the living body. This toxic substance is also contained in wine and known as an important ingredient affecting the quality of wine. Herein, we constructed and evaluated two different fiber-optic biosensors for measurement of AcH in the liquid phase (AcH biosensor) using aldehyde dehydrogenase (ALDH) or alcohol dehydrogenase (ADH). The AcH biosensor measured a concentration of AcH using fluorescence intensity of a reduced form of nicotinamide adenine dinucleotide (NADH) that was produced or consumed via catalytic reaction of the respective enzyme...
July 28, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28742384/antiproliferative-effects-of-red-and-white-wine-extracts-in-pc-3-prostate-cancer-cells
#12
Roxane Tenta, Elizabeth Fragopoulou, Magafoula Tsoukala, Marianna Xanthopoulou, Maria Skyrianou, Harris Pratsinis, Dimitris Kletsas
Experimental and epidemiological studies have shown that antioxidant polyphenols can act as chemopreventive agents against prostate cancer. Cabernet Sauvignon and Rombola wine were extracted in order to obtain fractions containing different classes of compounds. All extracts inhibited the androgen-insensitive human prostate cancer cells (PC-3) proliferation in a dose-dependent manner. The most potent compounds were selected to be further tested.Treatment of PC-3 cells with the selected wine extracts marginally increased the cell distribution in S phase, while producing a remarkable induction of autophagy...
July 25, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28738652/volatile-composition-of-merlot-red-wine-and-its-contribution-to-the-aroma-optimization-and-validation-of-analytical-method
#13
Stefany Grützmann Arcari, Vinicius Caliari, Marla Sganzerla, Helena Teixeira Godoy
A methodology for the determination of volatile compounds in red wine using headspace solid phase microextraction (HS-SPME) combined with gas chromatography-ion trap/ mass spectrometry (GC-IT/MS) and flame ionization detector (GC -FID) was developed, validated and applied to a sample of Brazilian red wine. The optimization strategy was conducted using the Plackett-Burman design for variable selection and central composite rotational design (CCRD). The response surface methodology showed that the performance of the extraction of the volatile compounds using divinylbenzene/carboxen/polydimethylsiloxane (DVB/CAR/PDMS) fiber is improved with no sample dilution, the addition of 30% NaCl, applying an extraction temperature of 56°C and extraction time of 55min...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28737281/in-situ-evaluation-of-color-stability-and-hardness-decrease-of-resin-based-composites
#14
Juliana Silva Ribeiro, Sonia Luque Peralta, Vinícius Esteves Salgado, Rafael Guerra Lund
OBJECTIVE: To determine the color stability (CS) and hardness' decrease (HD) of two commercial resin-based composites (RBCs), after in situ staining conditions (SC). METHODS: Six disc-shaped specimens (6 × 2 mm) of two RBCs-Filtek Z350 XT (FZX) and IPS Empress Direct (IED)-were randomly distributed into palatal devices. Eight volunteers (aged 20-30 years) participated in this study. The in situ SC consisted of 400 mL consumption (2 × 200 mL/day) of water, orange juice, cola soda, and coffee and 140 mL consumption of red wine, 10 days each...
July 24, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28734363/multi-energy-calibration-applied-to-atomic-spectrometry
#15
Alex Virgilio, Daniel A Gonçalves, Tina McSweeney, José A Gomes Neto, Joaquim A Nóbrega, George L Donati
Multi-energy calibration (MEC) is a novel strategy that explores the capacity of several analytes of generating analytical signals at many different wavelengths (transition energies). Contrasting with traditional methods, which employ a fixed transition energy and different analyte concentrations to build a calibration plot, MEC uses a fixed analyte concentration and multiple transition energies for calibration. Only two calibration solutions are required in combination with the MEC method. Solution 1 is composed of 50% v v(-1) sample and 50% v v(-1) of a standard solution containing the analytes...
August 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28733233/estimation-of-dietary-intake-and-target-hazard-quotients-for-metals-by-consumption-of-wines-from-the-canary-islands
#16
Angel J Gutiérrez, Carmen Rubio, Isabel M Moreno, A Gustavo González, Dailos Gonzalez-Weller, Naouel Bencharki, Arturo Hardisson, Consuelo Revert
This paper describes the impact of mineral content on wines and assesses the potential health risk from consuming these wines from Canary Islands. The metal content (B, Ca, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, Pb, Zn) of red wines belonging to different regions in the Canary Islands was determined by ICP-OES. The studied wine regions were Valle de la Orotava, Tacoronte-Acentejo, Ycoden-Daute-Isora, Abona and Valle de Güimar in Tenerife Island and only one in La Gomera and La Palma Islands. According to the content found, elements could be classified in two categories: the main group including Ca, K, Mg, Na, and the ''minor'' set consisting of B, Co, Cr, Cu, Fe, Li, Mn, Mo, Ni, Pb and Zn...
July 19, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28731564/alcohol-related-knowledge-and-alcohol-related-norms-in-four-to-six-year-olds-evidence-from-the-dutch-electronic-appropriate-beverage-task
#17
Carmen Voogt, Roy Otten, Marloes Kleinjan, Rutger Engels, Emmanuel Kuntsche
BACKGROUND: Limited research is available on children's alcohol-related knowledge and alcohol-related norms, yet a better comprehension of these factors may be crucial in explaining alcohol use later in life. This study provides insights into alcohol-related knowledge and alcohol-related norms in four- to six-year-olds. METHODS: Participating children (N=329; 48.9% boys) were shown, on a tablet, 18 drawings depicting 72 male and female adults and/or children in various situations and were asked to indicate what the depicted persons drank by touching one of 12 depicted beverages (four alcoholic; eight non-alcoholic)...
July 21, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28730306/disposable-electrochemical-immunosensor-for-brettanomyces-bruxellensis-based-on-nanogold-reduced-graphene-oxide-hybrid-nanomaterial
#18
Boryana Borisova, María L Villalonga, María Arévalo-Villena, Abderrahmane Boujakhrout, Alfredo Sánchez, Concepción Parrado, José M Pingarrón, Ana Briones-Pérez, Reynaldo Villalonga
The assembly of a novel disposable amperometric immunosensor for the detection of the red wine spoilage yeast Brettanomyces bruxellensis is reported. The nanostructured sensing interface was prepared by first coating carbon screen printed electrodes with a gold nanoparticles-reduced graphene oxide hybrid nanomaterial, which was then modified with 3-mercaptopropionic acid to further immobilize specific antibodies for B. bruxellensis via a carbodiimide-coupling reaction. The functionalized electrode allowed the amperometric detection of B...
July 20, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28729784/discoloration-of-different-esthetic-restorative-materials-a-spectrophotometric-evaluation
#19
Matteo Ceci, Matteo Viola, Davide Rattalino, Riccardo Beltrami, Marco Colombo, Claudio Poggio
OBJECTIVE: A crucial property of esthetic restorative materials is their long-term color stability. The aim of this in vitro study was to evaluate the color stability of esthetic restorative materials (one microfilled flowable composite, one nanofilled composite, one nanoybrid composite, one microfilled composite, and one nanoybrid ormocer-based composite) after surface roughening with cola and exposure to different staining solutions (coffee and red wine). MATERIALS AND METHODS: All materials were polymerized into silicone rubber rings (2 mm × 6 mm × 8 mm) to obtain 150 specimens identical in size...
April 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28721728/reduced-production-of-higher-alcohols-by-saccharomyces-cerevisiae-in-red-wine-fermentation-by-simultaneously-overexpressing-bat1-and-deleting-bat2
#20
Lijuan Ma, Shiyong Huang, Liping Du, Ping Tang, Dongguang Xiao
In red wine, the contents of higher alcohols and ethyl carbamate (EC) are two significant health concerns. To reduce the production of higher alcohols by wine yeast YZ22 with low production of EC, one BAT2 was replaced by a BAT1 expression cassette first and then another BAT2 was deleted to obtain the mutant SYBB3. Real-time quantitative PCR showed that the relative expression level of BAT1 in SYBB3 improved 28 times compared with that in YZ22. The yields of isobutanol and 3-methyl-1-butanol produced by mutant SYBB3 reduced by 39...
August 7, 2017: Journal of Agricultural and Food Chemistry
keyword
keyword
13750
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"