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https://www.readbyqxmd.com/read/29662846/antioxidant-activities-of-selected-berries-and-their-free-esterified-and-insoluble-bound-phenolic-acid-contents
#1
Ji-Sang Kim
To explore the potential of berries as natural sources of bioactive compounds, the quantities of free, esterified, and insoluble-bound phenolic acids in a number of berries were determined. In addition, the antioxidant activities of the berries were determined using 2,2-diphenyl-1-picrylhydrazyl radical scavenging activity, ferric reducing antioxidant power, and Trolox equivalent antioxidant capacity assays, in addition to determination of their metal ion chelating activities. Furthermore, several phenolic compounds were detected using high-performance liquid chromatography...
March 2018: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/29622190/structural-characterization-of-blackberry-wine-polysaccharides-and-immunomodulatory-effects-on-lps-activated-raw-264-7-macrophages
#2
Adriana Rute Cordeiro Caillot, Iglesias de Lacerda Bezerra, Laís Cristina Gusmão Ferreira Palhares, Arquimedes Paixão Santana-Filho, Suely Ferreira Chavante, Guilherme Lanzi Sassaki
Three polysaccharide fractions were isolated from blackberry wine. The crude extract BWPs was obtained with ethanol precipitation and freeze-thawing process, it was then submitted to Fehling treatment, giving soluble BWPFs and insoluble BWPFp fractions. These fractions were characterized by Gas Chromatography-Mass Spectrometry (GC-MS) and Nuclear Magnetic Resonance (NMR). Major polysaccharides were identified for each fraction: mannan, type II arabinogalactan and type I rhamnogalacturonan for BWPs, a mannan formed by a major chain of α-Manp(1 → 6)-linked units, O-2 substituted with α-d-Manp(1 → 2)-linked side chains for BWPFp and a AG II formed by a major chain of β-d-Galp(1 → 3)-linked, substituted at O-6 by side chains of the β-d-Galp(1 → 6)-linked, which then are substituted at O-3 by non-reducing units of α-l-Araf and a RG I, formed by [→4)-α-d-GalpA-(1 → 2)-α-l-Rhap-(1→]n for BWPFs...
August 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29579903/berries-extracts-as-natural-antioxidants-in-meat-products-a-review
#3
José Manuel Lorenzo, Mirian Pateiro, Rubén Domínguez, Francisco J Barba, Predrag Putnik, Danijela Bursać Kovačević, Avi Shpigelman, Daniel Granato, Daniel Franco
The aim was to evaluate antioxidants from berries as replacement food additives for inhibition of lipid and protein oxidation in meat and meat products, since meats are highly susceptible to oxidation. Oxidation can be delayed/retarded by synthetic antioxidants with phenolic structures (e.g. butylated hydroxytoluene). However, new natural alternatives are needed for synthetic antioxidants due to the controversy regarding their possible negative health effects and consumers' demand for more 'natural' food additives...
April 2018: Food Research International
https://www.readbyqxmd.com/read/29508396/influence-of-cultivar-conventional-and-organic-agricultural-practices-on-phenolic-and-sensory-profile-of-blackberries-rubus-fruticosus
#4
Teresa Pinto, Alice Vilela, Andreia Pinto, Fernando M Nunes, Fernanda Cosme, Rosário Anjos
BACKGROUND: The consumer's demand for organic products is increasing due to their claimed health benefits. Blackberries are a rich source of polyphenols with high antioxidant activity; nevertheless, the impact of organic versus conventional agricultural practices on its phytochemical composition is unknown. "Loch Ness" and "Chester Thornless" were selected as blackberries cultivars for this study due to their good sensory and technological properties that make them more suitable for exportation...
March 6, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29494510/functional-anthocyanin-rich-sausages-diminish-colorectal-cancer-in-an-animal-model-and-reduce-pro-inflammatory-bacteria-in-the-intestinal-microbiota
#5
Javier Fernández, Lorena García, Joaquín Monte, Claudio J Villar, Felipe Lombó
Colorectal cancer is the fourth most common neoplasia in Europe, where it accounts for 28.2 new cases per 100,000 inhabitants. In an effort to decrease the incidence of this disease, various prevention measures are being studied, one of which are anthocyanin-rich foods. Anthocyanins are potent antioxidant flavonoids mainly found in flowers and colorful fruits and vegetables. These nutraceuticals have diverse biological functions once ingested, including immunomodulatory, anti-inflammatory and antitumor functions...
March 1, 2018: Genes
https://www.readbyqxmd.com/read/29487622/multivariate-analysis-of-fruit-antioxidant-activities-of-blackberry-treated-with-1-methylcyclopropene-or-vacuum-precooling
#6
Jian Li, Guowei Ma, Lin Ma, Xiaolin Bao, Liping Li, Qian Zhao, Yousheng Wang
Effects of 1-methylcyclopropene (1-MCP) and vacuum precooling on quality and antioxidant properties of blackberries ( Rubus spp.) were evaluated using one-way analysis of variance, principal component analysis (PCA), partial least squares (PLS), and path analysis. Results showed that the activities of antioxidant enzymes were enhanced by both 1-MCP treatment and vacuum precooling. PCA could discriminate 1-MCP treated fruit and the vacuum precooled fruit and showed that the radical-scavenging activities in vacuum precooled fruit were higher than those in 1-MCP treated fruit...
2018: International Journal of Analytical Chemistry
https://www.readbyqxmd.com/read/29430645/berries-grown-in-brazil-anthocyanins-profiles-and-biological-properties
#7
Vitor C Chaves, Laurita Boff, Márcia Vizzotto, Eunice Calvete, Flávio H Reginatto, Cláudia M O Simões
BACKGROUND: Phytochemical profiles of two Brazilian native fruits, pitanga (red and purple) and araçá (yellow and red), as well as strawberry cultivars Albion, Aromas, and Camarosa, blackberry cultivar Tupy, and blueberry cultivar Bluegen cultivated in Brazil were characterized for total phenolic content and total anthocyanin content by liquid chromatography coupled to a photodiode array and a quadrupole-time of flight mass spectrometry detector. Radical scavenging, antiherpes, and cytotoxic activities of these berries extracts were also evaluated...
February 11, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29401686/evaluation-of-polyphenol-anthocyanin-enriched-extracts-of-blackberry-black-raspberry-blueberry-cranberry-red-raspberry-and-strawberry-for-free-radical-scavenging-reactive-carbonyl-species-trapping-anti-glycation-anti-%C3%AE-amyloid-aggregation-and-microglial-neuroprotective
#8
Hang Ma, Shelby L Johnson, Weixi Liu, Nicholas A DaSilva, Susan Meschwitz, Joel A Dain, Navindra P Seeram
Glycation is associated with several neurodegenerative disorders, including Alzheimer's disease (AD), where it potentiates the aggregation and toxicity of proteins such as β-amyloid (Aβ). Published studies support the anti-glycation and neuroprotective effects of several polyphenol-rich fruits, including berries, which are rich in anthocyanins. Herein, blackberry, black raspberry, blueberry, cranberry, red raspberry, and strawberry extracts were evaluated for: (1) total phenolic and anthocyanins contents, (2) free radical (DPPH) scavenging and reactive carbonyl species (methylglyoxal; MGO) trapping, (3) anti-glycation (using BSA-fructose and BSA-MGO models), (4) anti-Aβ aggregation (using thermal- and MGO-induced fibrillation models), and, (5) murine microglia (BV-2) neuroprotective properties...
February 3, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29338907/new-photodynamic-molecular-beacons-pmb-as-potential-cancer-targeted-agents-in-pdt
#9
Aurélie Stallivieri, Ludovic Colombeau, Jérôme Devy, Nicolas Etique, Carine Chaintreuil, Bauyrzhan Myrzakhmetov, Mathilde Achard, Francis Baros, Philippe Arnoux, Régis Vanderesse, Céline Frochot
Further improvements in Photodynamic therapy (PDT) necessitate that the dye targets more selectively tumour tissues or neovascularization than healthy cells. Different enzymes such as matrix metalloproteinases (MMPs) are overexpressed in tumour areas. Among these MMPs, gelatinases (MMP-2 and MMP-9) and its activator MMP-14 are known to play a key role in tumour angiogenesis and the growth of many cancers such as glioblastoma multiforme (GBM), an aggressive malignant tumour of the brain. These last years, the concept of photodynamic molecular beacons (PMB) became interesting for controlling the photosensitizer's ability to generate singlet oxygen (1 O2 ) close to target biomolecules as MMPs...
February 1, 2018: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/29335694/the-seventh-biennial-berry-health-benefits-symposium
#10
EDITORIAL
Navindra P Seeram, Britt Burton-Freeman
Research advancing current scientific understanding of the health benefits of berries continues to increase. The Berry Health Benefits Symposium (BHBS) is a biennial meeting highlighting the most recent berry health benefits research from all over the world. Pismo Beach, California was the venue for the seventh biennial BHBS in 2017, and featured oral invited papers on heart health and healthy aging, gut/microbiome health, brain aging, inflammation, cancer prevention, berry special topics, technology and chemistry...
January 24, 2018: Food & Function
https://www.readbyqxmd.com/read/29332999/an-integrated-electrolysis-electrospray-ionization-antimicrobial-platform-using-engineered-water-nanostructures-ewns-for-food-safety-applications
#11
Nachiket Vaze, Yi Jiang, Lucas Mena, Yipei Zhang, Dhimiter Bello, Stephen S Leonard, Anna M Morris, Mary Eleftheriadou, Georgios Pyrgiotakis, Philip Demokritou
Engineered water nanostructures (EWNS) synthesized utilizing electrospray and ionization of water, have been, recently, shown to be an effective, green, antimicrobial platform for surface and air disinfection, where reactive oxygen species (ROS), generated and encapsulated within the particles during synthesis, were found to be the main inactivation mechanism. Herein, the antimicrobial potency of the EWNS was further enhanced by integrating electrolysis, electrospray and ionization of de-ionized water in the EWNS synthesis process...
March 2018: Food Control
https://www.readbyqxmd.com/read/29287391/blackberry-anthocyanins-%C3%AE-cyclodextrin-fortification-for-thermal-and-gastrointestinal-stabilization
#12
Ana Fernandes, Marisa A A Rocha, Luis M N B F Santos, Joana Brás, Joana Oliveira, Nuno Mateus, Victor de Freitas
Anthocyanins are potential food colorants due to their color, low toxicity and biological properties. However, the low chemical stability of anthocyanins has limited their use. In this work, the thermal stability of cyanidin-3-O-glucoside (cy3glc) (major blackberry anthocyanin) and blackberry purees through molecular inclusion with β-cyclodextrin (β-CD) was assessed. Complexation with β-CD showed a thermal stabilization of cy3glc, resulting on a decrease of the degradation rate constant (k) and in several alterations in the cy3glc-β-CD DSC thermogram...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29274238/tuning-of-polyoxopalladate-macroanionic-hydration-shell-via-countercation-interaction
#13
Jiazhi He, Hui Li, Peng Yang, Fadi Haso, Jiayingzi Wu, Tao Li, Ulrich Kortz, Tianbo Liu
Three types of macroanion-countercation interactions in dilute solution, decided by the strength of electrostatic attraction and the change of hydration shells are reported: minor interaction between macroanions [MO8 Pd12 (SeO3 )8 ]6- (M=Zn2+ or Ni2+ ) and monovalent cations (Na+ , K+ , Rb+ , Cs+ ), leaving their hydration shells intact (solvent-separated ion-pairs); strong binding between macroanions and divalent cations (Sr2+ , Ba2+ ) to form solvent-shared ion-pairs with partial dehydration; very strong electrostatic attraction between macroanions and Y3+ ion with contact ion-pairs formation by severely breaking their original hydration shells and forming new ones...
February 26, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29222595/-prostate-cancer-risk-calculator-mobile-applications-apps-a-systematic-review-and-scoring-using-the-validated-user-version-of-the-mobile-application-rating-scale-umars
#14
Ahmed Adam, Julian C Hellig, Marlon Perera, Damien Bolton, Nathan Lawrentschuk
PURPOSE: The use of mobile phone applications (Apps) has modernised the conventional practice of medicine. The diagnostic ability of the current Apps in prostate specific antigen monitoring, and its diagnostic ability within prostate cancer (PCa) risk calculators have not yet been appraised. We aimed to review, rate and assess the everyday functionality, and utility of all the currently available PCa risk calculator Apps. METHODS: A systematic search on iTunes, Google Play Store, Blackberry World and Windows Apps Store, was performed on 23/11/2017, using the search term 'prostate cancer risk calculator'...
April 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29205556/rational-design-of-organically-functionalized-polyoxopalladates-and-their-supramolecular-properties
#15
Peng Yang, Hui Li, Tian Ma, Fadi Haso, Tianbo Liu, Linyuan Fan, Zhengguo Lin, Changwen Hu, Ulrich Kortz
The SrII -centered 12-palladate(II) open-cube {SrPd12 (OAc)3 } has been systematically evolved by substitution of the three acetate ligands by a library of saturated carboxylic acids with increasing chain lengths leading to four novel polyoxopalladates(II) with the formula [SrPd12 O6 (OH)3 (PhAsO3 )6 (L)3 ]4- (SrPd12 L3 , L=Cn H2n+1 COO, n=2 to 5). These first examples of surfactant-type polyoxopalladates with a hydrophilic metal-oxo unit and three hydrophobic alkyl chains were characterized in the solid state (single-crystal XRD, FTIR, TGA), in solution (1 H,13 C NMR spectroscopy), and in the gas phase (ESI-MS)...
February 16, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29151137/blood-brain-barrier-transport-and-neuroprotective-potential-of-blackberry-digested-polyphenols-an-in-vitro-study
#16
Inês Figueira, Lucélia Tavares, Carolina Jardim, Inês Costa, Ana P Terrasso, Andreia F Almeida, Coen Govers, Jurriaan J Mes, Rui Gardner, Jörg D Becker, Gordon J McDougall, Derek Stewart, Augusto Filipe, Kwang S Kim, Dora Brites, Catarina Brito, M Alexandra Brito, Cláudia N Santos
PURPOSE: Epidemiological and intervention studies have attempted to link the health effects of a diet rich in fruits and vegetables with the consumption of polyphenols and their impact in neurodegenerative diseases. Studies have shown that polyphenols can cross the intestinal barrier and reach concentrations in the bloodstream able to exert effects in vivo. However, the effective uptake of polyphenols into the brain is still regarded with some reservations. Here we describe a combination of approaches to examine the putative transport of blackberry-digested polyphenols (BDP) across the blood-brain barrier (BBB) and ultimate evaluation of their neuroprotective effects...
November 18, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29149858/famine-food-of-vegetal-origin-consumed-in-the-netherlands-during-world-war-ii
#17
Tom Vorstenbosch, Ingrid de Zwarte, Leni Duistermaat, Tinde van Andel
BACKGROUND: Periods of extreme food shortages during war force people to eat food that they normally do not consider edible. The last time that countries in Western Europe experienced severe scarcities was during World War II. The so-called Dutch famine or Hunger Winter (1944-1945) made at least 25,000 victims. The Dutch government took action by opening soup kitchens and providing information on wild plants and other famine food sources in "wartime cookbooks." The Dutch wartime diet has never been examined from an ethnobotanical perspective...
November 17, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/29149190/improved-capture-of-drosophila-suzukii-by-a-trap-baited-with-two-attractants-in-the-same-device
#18
Rodrigo Lasa, Eduardo Tadeo, Ricardo A Toledo-Hérnandez, Lino Carmona, Itzel Lima, Trevor Williams
The improvement of trap-lure combinations is an important part of integrated pest management programs that involve monitoring pests for timely insecticide applications, or for their use in control strategies such as mass trapping or bait stations. In this study improvements in the capture of Drosophila suzukii were not observed following the inclusion of different color stimuli with respect to a red-black stripe cup trap. This red-black stripe trap with a hemispherical dome-shaped lid had a significantly improved physical retention of flies compared to traps fitted with a flat lid...
2017: PloS One
https://www.readbyqxmd.com/read/29123512/alternative-growth-promoters-modulate-broiler-gut-microbiome-and-enhance-body-weight-gain
#19
Serajus Salaheen, Seon-Woo Kim, Bradd J Haley, Jo Ann S Van Kessel, Debabrata Biswas
Antibiotic growth promoters (AGPs) are frequently used to enhance weight-gain in poultry production. However, there has been increasing concern over the impact of AGP on the emergence of antibiotic resistance in zoonotic bacterial pathogens in the microbial community of the poultry gut. In this study, we adopted mass-spectrophotometric, phylogenetic, and shotgun-metagenomic approaches to evaluate bioactive phenolic extracts (BPE) from blueberry ( Vaccinium corymbosum ) and blackberry ( Rubus fruticosus ) pomaces as AGP alternatives in broilers...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29122108/predictors-of-insulin-uptake-among-adults-with-type-2-diabetes-in-the-stepping-up-study
#20
Elizabeth Holmes-Truscott, John Furler, Irene Blackberry, David N O'Neal, Jane Speight
AIMS: We aimed to investigate predictors of insulin uptake, and change in insulin appraisals, among adults with type 2 diabetes mellitus (T2DM) who participated in the Stepping Up trial. METHODS: The Stepping Up model of care, supporting timely insulin initiation in primary care, was evaluated in a two-armed cluster-randomised controlled trial. Participants were 266 adults (mean±SD age 62±10years; 39% women) with T2DM (median (IQR) duration 8.5 (5, 13)years) from 74 primary care practices (Stepping Up intervention: 57%, control 43%)...
November 2017: Diabetes Research and Clinical Practice
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