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https://www.readbyqxmd.com/read/28433168/evaluation-of-the-physical-properties-and-conservation-of-the-antioxidants-content-employing-inulin-and-maltodextrin-in-the-spray-drying-of-blueberry-juice
#1
S B Araujo-Díaz, C Leyva-Porras, P Aguirre-Bañuelos, C Álvarez-Salas, Z Saavedra-Leos
In this work, two carbohydrate polymers, inulin (I) and maltodextrin (MX), were compared as carrying agents in the spray drying of blueberry juice (BJ). The physicochemical properties and the conservation of the antioxidants content were characterized. Both systems, showed non-agglomerated particles and light-purple color appearance. Powders were subjected to the adsorption of water, and the glass transition temperature (Tg) decreased with the water activity. The evolution of the microstructure in the MX-BJ remained unchanged, while the I-BJ presented an abrupt change from amorphous to crystalline...
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28427631/combined-effect-of-ultrasound-heat-and-pressure-on-escherichia-coli-o157-h7-polyphenol-oxidase-activity-and-anthocyanins-in-blueberry-vaccinium-corymbosum-juice
#2
Jinyan Zhu, Yuehua Wang, Xinghe Li, Bin Li, Suwen Liu, Nan Chang, Ding Jie, Chong Ning, Haiyan Gao, Xianjun Meng
The objective of this study was to evaluate the effect of different treatments-heat treatment (HT), sonication (SC), thermosonication (TS), manosonication (MS), manothermal (MT), and manothermosonication (MTS) on Escherichia coli O157:H7, polyphenol oxidase (PPO), and anthocyanin content in blueberry juice. First, samples were treated at different temperatures (30, 40, 50, 60, 70, and 80°C) and power intensities (280, 420, 560, and 700W) for 10min. Subsequently, samples were treated using combinations of power intensity and mild temperature for 10min...
July 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28424530/molecular-diagnostic-assays-based-on-cpn60-ut-sequences-reveal-the-geographic-distribution-of-subgroup-16srxiii-a-i-i-phytoplasma-in-mexico
#3
Edel Pérez-López, Douglas Rodríguez-Martínez, Chrystel Y Olivier, Mauricio Luna-Rodríguez, Tim J Dumonceaux
Geographically diverse samples from strawberry exhibiting symptoms of Strawberry Green Petal (SbGP), periwinkle plants with virescence, and blackberry, blueberry, and raspberry plants displaying yellowing and inedible fruits, were assayed for the presence of phytoplasma DNA. PCR targeting the 16S rRNA-encoding gene and chaperonin-60 (cpn60) showed that the plants were infected with phytoplasma subgroup16SrXIII-(A/I)I (SbGP/MPV). To examine the geographic distribution of this pathogen in Mexico, we designed an array of cpn60-targeted molecular diagnostic assays for SbGP/MPV phytoplasma...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28407238/quercetin-hyperin-and-chlorogenic-acid-improve-endothelial-function-by-antioxidant-antiinflammatory-and-ace-inhibitory-effects
#4
Wu-Yang Huang, Lin Fu, Chun-Yang Li, Li-Ping Xu, Li-Xia Zhang, Wei-Min Zhang
In recent years, the blueberry cultivation and processing industry developed quickly because blueberries are super-fruit with healthy function. Blueberry leaves are byproducts of the blueberry industry, which are rich in bioactive phenolics, such as quercetin (Q), hyperin (H), and chlorogenic acid (C). This study investigated protective effects of 3 phenolics (Q, H, and C) from leaves of rabbiteye blueberry Vaccinium ashei on human umbilical vein endothelial cells. The results showed that all these 3 phenolics could improve endothelial function by inhibiting oxidative damage and proinflammatory cytokines caused by tumor necrosis factor-α (TNF-α)...
April 13, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28401082/vaccinium-angustifolium-root-extract-suppresses-fc%C3%A9-ri-expression-in-human-basophilic-ku812f-cells
#5
Sun Yup Shim, Kyung Dong Lee, Mina Lee
Vaccinium angustifolium, commonly known as the lowbush blueberry, is a rich source of flavonoids, with which various human physiological activities have been associated. The present study focuses on the investigation of the effect of the methanolic extract of V. angustifolium root extract (VAE) on high affinity immunoglobulin E receptor (FcɛRI) α chain antibody (CRA-1)-induced allergic reaction in human basophilic KU812F cells. The total phenolic content of VAE was found to be 170±1.9 mg gallic acid equivalents/g...
March 2017: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/28369335/tempo-spatial-dynamics-of-adult-plum-curculio-coleoptera-curculionidae-based-on-semiochemical-baited-trap-captures-in-blueberries
#6
Johnattan Hernandez-Cumplido, Tracy C Leskey, Robert Holdcraft, Faruque U Zaman, Noel G Hahn, Cesar Rodriguez-Saona
Plum curculio, Conotrachelus nenuphar (Herbst), has become an important pest of highbush blueberries in the northeastern United States. Here, we conducted experiments in 2010-2013 to compare the efficacy of semiochemical-baited traps for C. nenuphar versus conventional (beating cloth) sampling methods in blueberries, and to understand the seasonal abundance and distribution of C. nenuphar adults within and among blueberry fields using these traps. Black pyramid traps baited with the C. nenuphar aggregation pheromone grandisoic acid and the fruit volatile benzaldehyde caught three to four times more adults than unbaited traps without causing an increase in injury to berries in neighboring bushes...
March 20, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28344085/protection-of-polyphenols-in-blueberry-juice-by-vacuum-assisted-block-freeze-concentration
#7
Patricio Orellana-Palma, Guillermo Petzold, Lissage Pierre, José Manuel Pensaben
Block freeze concentration allows produces high-quality cryoconcentrates with important protection of valuable components from fresh fruit juices. The aim of this study was to investigate the use of vacuum-assisted block freeze concentration under different experimental conditions to protect polyphenols in the elaboration of concentrated blueberry juice. Fresh blueberry juice was radial or unidirectional frozen at -20 and -80 °C for 12 h and vacuum process was performed at 80 kPa during 120 min. Results showed a significant solute increased in the concentrated fraction in all treatments, and the best treatment was - 20 °C/unidirectional with a value of ≈63 °Brix, equivalent to an increase of 3...
March 23, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28342416/joint-carbon-footprint-assessment-and-data-envelopment-analysis-for-the-reduction-of-greenhouse-gas-emissions-in-agriculture-production
#8
Ricardo Rebolledo-Leiva, Lidia Angulo-Meza, Alfredo Iriarte, Marcela C González-Araya
Operations management tools are critical in the process of evaluating and implementing action towards a low carbon production. Currently, a sustainable production implies both an efficient resource use and the obligation to meet targets for reducing greenhouse gas (GHG) emissions. The carbon footprint (CF) tool allows estimating the overall amount of GHG emissions associated with a product or activity throughout its life cycle. In this paper, we propose a four-step method for a joint use of CF assessment and Data Envelopment Analysis (DEA)...
March 22, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28334255/erythritol-and-lufenuron-detrimentally-alter-age-structure-of-wild-drosophila-suzukii-diptera-drosophilidae-populations-in-blueberry-and-blackberry
#9
B J Sampson, D A Marshall, B J Smith, S J Stringer, C T Werle, D J Magee, J J Adamczyk
We report on the efficacy of 0.5 M (61,000 ppm) erythritol (E) in Truvia Baking Blend, 10 ppm lufenuron (L), and their combination (LE) to reduce egg and larval densities of wild populations of Drosophila suzukii (Matsumura) infesting fields of rabbiteye blueberries (Vaccinium virgatum) and blackberries (Rubus sp.). Formulations included the active ingredients (lufenuron, erythritol, or both), sugar (in control and erythritol treatments), and Dawn hand-soap applied to plants with pressurized 3-gallon garden spray tanks...
April 1, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334127/managed-bumble-bees-bombus-impatiens-hymenoptera-apidae-caged-with-blueberry-bushes-at-high-density-did-not-increase-fruit-set-or-fruit-weight-compared-to-open-pollination
#10
J W Campbell, J O'Brien, J H Irvin, C B Kimmel, J C Daniels, J D Ellis
Highbush blueberry (Vaccinium corymbosum L.) is an important crop grown throughout Florida. Currently, most blueberry growers use honey bees (Apis mellifera L.) to provide pollination services for highbush blueberries even though bumble bees (Bombus spp.) have been shown to be more efficient at pollinating blueberries on a per bee basis. In general, contribution of bumble bees to the pollination of commercial highbush blueberries in Florida is unknown. Herein, we determined if managed bumble bees could contribute to highbush blueberry pollination...
April 1, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28329021/comparison-of-anti-inflammatory-activities-of-an-anthocyanin-rich-fraction-from-portuguese-blueberries-vaccinium-corymbosum-l-and-5-aminosalicylic-acid-in-a-tnbs-induced-colitis-rat-model
#11
Sónia R Pereira, Rita Pereira, Isabel Figueiredo, Victor Freitas, Teresa C P Dinis, Leonor M Almeida
Despite the actual therapeutic approaches for inflammatory bowel disease (IBD), efficient and secure alternative options remain a research focus. In this context, anthocyanins seem promising natural anti-inflammatory agents, but their action mechanisms and efficacy as compared with established drugs still require more clarification. The main aim of this study was to compare the anti-inflammatory action of a chemically characterized anthocyanin-rich fraction (ARF), obtained from Portuguese blueberries (Vaccinium corymbosum L...
2017: PloS One
https://www.readbyqxmd.com/read/28317780/structural-physicochemical-and-biological-properties-of-spray-dried-wine-powders
#12
Agnieszka Wilkowska, Agata Czyżowska, Wojciech Ambroziak, Janusz Adamiec
Different fruit wines, chokeberry, blackcurrant and blueberry, were spray-dried using hydroxypropyl-β-cyclodextrin (HP-β-CD) and inulin (IN). The structural, physicochemical, and biological properties of the spray-dried wine powders were studied over 12months of storage in darkness at 8°C. Identification and quantification of single phenolic compounds before and after storage revealed that HP-β-CD had a positive effect on anthocyanin retention during storage for all microcapsules tested. Similar decreases in anthocyanin were found for blackcurrant and chokeberry powders, ranging from 7...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28294257/protein-bound-vaccinium-fruit-polyphenols-decrease-ige-binding-to-peanut-allergens-and-rbl-2h3-mast-cell-degranulation-in-vitro
#13
Nathalie J Plundrich, Rishipal R Bansode, E Allen Foegeding, Leonard L Williams, Mary Ann Lila
Peanut allergy is a worldwide health concern. In this study, the natural binding properties of plant-derived polyphenols to proteins was leveraged to produce stable protein-polyphenol complexes comprised of peanut proteins and cranberry (Vaccinium macrocarpon Ait.) or lowbush blueberry (Vaccinium angustifolium Ait.) pomace polyphenols. Protein-bound and free polyphenols were characterized and quantified by multistep extraction of polyphenols from protein-polyphenol complexes. Immunoblotting was performed with peanut-allergic plasma to determine peanut protein-specific IgE binding to unmodified peanut protein, or to peanut protein-polyphenol complexes...
April 19, 2017: Food & Function
https://www.readbyqxmd.com/read/28289215/selective-dietary-supplementation-in-early-postpartum-is-associated-with-high-resilience-against-depressed-mood
#14
Yekta Dowlati, Arun V Ravindran, Zindel V Segal, Donna E Stewart, Meir Steiner, Jeffrey H Meyer
Medical research is moving toward prevention strategies during prodromal states. Postpartum blues (PPB) is often a prodromal state for postpartum depression (PPD), with severe PPB strongly associated with an elevated risk for PPD. The most common complication of childbearing, PPD has a prevalence of 13%, but there are no widespread prevention strategies, and no nutraceutical interventions have been developed. To counter the effects of the 40% increase in monoamine oxidase A (MAO-A) levels that occurs during PPB, a dietary supplement kit consisting of monoamine precursor amino acids and dietary antioxidants was created...
March 28, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28283823/dietary-blueberry-improves-cognition-among-older-adults-in-a-randomized-double-blind-placebo-controlled-trial
#15
Marshall G Miller, Derek A Hamilton, James A Joseph, Barbara Shukitt-Hale
PURPOSE: As populations shift to include a larger proportion of older adults, the necessity of research targeting older populations is becoming increasingly apparent. Dietary interventions with blueberry have been associated with positive outcomes in cell and rodent models of aging. We hypothesized that dietary blueberry would improve mobility and cognition among older adults. METHODS: In this study, 13 men and 24 women, between the ages of 60 and 75 years, were recruited into a randomized, double-blind, placebo-controlled trial in which they consumed either freeze-dried blueberry (24 g/day, equivalent to 1 cup of fresh blueberries) or a blueberry placebo for 90 days...
March 10, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28278123/development-and-validation-of-a-spme-gc-method-for-degradation-kinetics-study-of-propiconazole-i-propiconazole-ii-and-tebuconazole-in-blueberries-in-concordia-the-main-production-area-of-argentina
#16
Martín S Munitz, María B Medina, María I T Montti
An analytical method for the simultaneous determination of propiconazole isomers and tebuconazole residues in blueberries was developed, using solid-phase microextraction (SPME) coupled to gas chromatography. Confirmation was performed by gas chromatography-mass spectrometry in selected-ion monitoring mode. The SPME fiber coating selected was CWX-DVB, and the pH was adjusted to 7 with NaOH. The method is selective with adequate precision and high accuracy and sensitivity. Recoveries ranged between 97.4 and 98...
March 2, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28270804/eradication-and-sensitization-of-methicillin-resistant-staphylococcus-aureus-to-methicillin-with-bioactive-extracts-of-berry-pomace
#17
Serajus Salaheen, Mengfei Peng, Jungsoo Joo, Hironori Teramoto, Debabrata Biswas
The therapeutic roles of phenolic blueberry (Vaccinium corymbosum) and blackberry (Rubus fruticosus) pomace (commercial byproduct) extracts (BPE) and their mechanism of actions were evaluated against methicillin resistant Staphylococcus aureus (MRSA). Five major phenolic acids of BPE, e.g., protocatechuic, p. coumaric, vanillic, caffeic, and gallic acids, as well as crude BPE completely inhibited the growth of vegetative MRSA in vitro while BPE+methicillin significantly reduced MRSA biofilm formation on plastic surface...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28264426/the-combination-of-blueberry-juice-and-probiotics-ameliorate-non-alcoholic-steatohepatitis-nash-by-affecting-srebp-1c-pnpla-3-pathway-via-ppar-%C3%AE
#18
Tingting Ren, Juanjuan Zhu, Lili Zhu, Mingliang Cheng
Nonalcoholic steatohepatitis (NASH) is liver inflammation and a major threat to public health. Several pharmaceutical agents have been used for NASH therapy but their high-rate side effects limit the use. Blueberry juice and probiotics (BP) have anti-inflammation and antibacterial properties, and may be potential candidates for NASH therapy. To understand the molecular mechanism, Sprague Dawley rats were used to create NASH models and received different treatments. Liver tissues were examined using HE (hematoxylin and eosin) and ORO (Oil Red O) stain, and serum biochemical indices were measured...
February 27, 2017: Nutrients
https://www.readbyqxmd.com/read/28259166/phenolic-compounds-isolated-from-fermented-blueberry-juice-decrease-hepatocellular-glucose-output-and-enhance-muscle-glucose-uptake-in-cultured-murine-and-human-cells
#19
Abir Nachar, Hoda M Eid, Melinda Vinqvist-Tymchuk, Tri Vuong, Wilhelmina Kalt, Chantal Matar, Pierre S Haddad
BACKGROUND: We recently reported that blueberry juice fermented (FJ) with Serratia vaccinii bacterium has antidiabetic activities both in vivo and in vitro. The purpose of this project was to elucidate the effect of FJ on glucose homeostasis in liver and skeletal muscle cells and to identify active fractions/compounds responsible for this effect. METHODS: FJ was fractionated using standard chromatography procedures. Hepatic (H4IIE, HepG2) and skeletal muscle cells (C2C12) were treated with maximum non-toxic concentrations of FJ, fractions and isolated compounds thereof...
March 4, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28249119/enhanced-task-related-brain-activation-and-resting-perfusion-in-healthy-older-adults-after-chronic-blueberry-supplementation
#20
Joanna L Bowtell, Zainie Aboo-Bakkar, Myra Conway, Anna-Lynne R Adlam, Jonathan Fulford
Blueberries are rich in flavonoids, which possess antioxidant and anti-inflammatory properties. High flavonoid intakes attenuate age-related cognitive decline, but data from human intervention studies are sparse. We investigated whether 12 weeks of blueberry concentrate supplementation improved brain perfusion, task-related activation and cognitive function in healthy older adults. Participants were randomised to consume either 30 ml blueberry concentrate providing 387 mg anthocyanidins (5 female, 7 male; age 67...
March 1, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
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