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Dorota Różańska, Bożena Regulska-Ilow
Anthocyanins are food compounds which belong to polyphenols and can mainly be found in dark fruits (e.g., blueberries, black currants, cranberries) and vegetables (e.g., red cabbage, radish, eggplant). The results of large research have shown that these compounds play an important role in the prevention of type 2 diabetes (T2D). In rodent studies and in studies with isolated omental adipocytes, it was observed that anthocyanins regulated the carbohydrate metabolism in the body due to the upregulation of GLUT4 (insulinregulated glucose transporter) translocation, increased activation of PPARγ (peroxisome proliferator-activated receptor-γ) in adipose tissue and skeletal muscles as well as increased secretion of adiponectin and leptin...
January 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Joanna Bajerska, Agata Chmurzynska, Sylwia Mildner-Szkudlarz, Sławomira Drzymała-Czyż, Paweł Górnaś, Agnieszka Waśkiewicz, Agata Muzsik, Tomasz Podgórski, Paulina Nowaczyk, Małgorzata Woźniewicz
BACKGROUND: The effects of un-extruded (UCP) and extruded cranberry pomace (ECP) on fecal fat excretion, liver index, lipid and carbohydrate metabolism, and inhibition of oxidative stress due to a high-fat diet (HFD) in rats were studied. METHODS: The Wistar rats for 8 weeks received one of the four diets: (1) control (modified the American Institute of Nutrition: AIN based diet containing 7% fat), (2) HFD (AIN based diet containing 30% fat), (3) HFD with 3% un-extruded (UCP) and (4) HFD with 3% (ECP)...
January 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
M Erfatpour, A Navabi, K P Pauls
A QTL for non-darkening seed coat from 'Wit-rood boontje' was mapped in pinto bean population on chromosome Pv10, comprising 40 candidate genes. The seed coat colour darkens with age in some market classes of dry beans (Phaseolus vulgaris), including pinto bean. Beans with darkened seed coats are discounted in the market place, since they are believed to be associated with lower nutritional quality, increased cooking time, and decreased palatability. The objective of this research was to map a non-darkening gene from a cranberry-like bean 'Wit-rood boontje' using a recombinant inbred line population, derived from a cross between 'Wit-rood boontje' and a slow-darkening pinto bean (1533-15)...
March 3, 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
Boon Chew, Bridget Mathison, Lindsey Kimble, Diane McKay, Kerrie Kaspar, Christina Khoo, C-Y Oliver Chen, Jeffrey Blumberg
PURPOSE: We studied the health benefits of low calorie cranberry beverage consumption on glucoregulation, oxidative damage, inflammation, and lipid metabolism in overweight but otherwise healthy humans. METHODS: 78 overweight or obese men and women (30-70 years; BMI 27-35 kg/m2 ) with abdominal adiposity (waist: hip > 0.8 for women and > 0.9 for men; waist: height ≥ 0.5) consumed 450 mL placebo or low calorie, high polyphenol cranberry extract beverage (CEB) daily for 8 week in a randomized, double-blind, placebo-controlled, parallel design trial...
February 23, 2018: European Journal of Nutrition
Abigail Shatkin-Margolis, Jenna Warehime, Rachel N Pauls
OBJECTIVES: Urinary tract infections (UTIs) are common after pelvic reconstructive surgery, likely due to high rates of urinary retention. We sought to determine if prescription of cranberry capsules reduced UTIs in postoperative patients requiring catheter use. METHODS: This was an institutional review board-approved retrospective cohort study. Two 6-month periods were compared: April to September 2015, before cranberry capsules were incorporated, and April to September 2016, after cranberry capsules were implemented...
March 2018: Female Pelvic Medicine & Reconstructive Surgery
Chi Gao, David Cunningham, Haiyan Liu, Christina Khoo, Liwei Gu
The objective of this study was to develop a thiolysis HPLC method to quantify total procyanidins, ratio of A-type linkages, and A-type procyanidin equivalents in cranberry products. Cysteamine was utilized as a low-odor substitute of toluene-α-thiol for thiolysis depolymerization. Reaction temperature of 70 °C and reaction time of 20 min, in 0.3 M of HCl were determined to be an optimum depolymerization condition. Thiolytic products of cranberry procyanidins were separated on a RP-HPLC and identified using high resolution mass spectrometry...
February 12, 2018: Journal of Agricultural and Food Chemistry
Lijun Wang, Hanyue Zhu, Yimin Zhao, Rui Jiao, Lin Lei, Jingnan Chen, Xiaobo Wang, Zhengnan Zhang, Yu Huang, Tiejie Wang, Zhen-Yu Chen
BACKGROUND: Interest in using herbal medicines to treat the hypercholesterolemia is increasing. Cranberry extract could decrease plasma cholesterol, however, the active ingredients and the underlying mechanisms remain largely unknown. HYPOTHESIS: The present study was to test the hypothesis that cranberry anthocyanins (CrA) were at least one of the active ingredients responsible for the cholesterol-lowering activity of cranberry fruits via a mechanism of increasing fecal sterol excretion...
January 1, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Yu-Ching Kuo, Wen-Qian Heish, Hsi-Ya Huang, Wan-Ling Liu
In this study, activated carbon-organic polymer (AC-polymer) extraction columns were prepared via microwave-assisted polymerization. The AC-polymer was applied in polymer monolith microextraction (PMME) of phenolic acids (PAs) in food samples. Structural characterization using Raman and Fourier transform infrared (FTIR) spectroscopy revealed the successful incorporation of AC into polymer monolith. In contrast to neat polymer in which low extraction efficiency (17.0-57.7%) was observed, the AC-polymer (8 mg AC, 4 cm column length) afforded better extraction efficiency for PAs ranging from 75...
January 31, 2018: Journal of Chromatography. A
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
Atinderpal Kaur, Sonal Gupta, Amit Tyagi, Rakesh Kumar Sharma, Javed Ali, Reema Gabrani, Shweta Dang
Purpose: A nanoemulsion based gel containing Polyphenon 60 (P60) and cranberry (CRB) has been developed to deliver via intravaginal route for the treatment of urinary tract infection. Methods: Polyphenon 60 and cranberry were loaded in a single nanoemulsion gel (NBG) by ultra-sonication method and characterized for particle size, rheological properties, in vitro release and growth curve analysis. P60+CRB NBG were radiolabelled using technetium pertechnetate (99mTc) to perform in vivo pharmacokinetic studies in animals...
December 2017: Advanced Pharmaceutical Bulletin
M E Galarraga-Vinueza, J Mesquita-Guimarães, R S Magini, J C M Souza, M C Fredel, A R Boccaccini
The aim the present study was to evaluate the chemical reactivity of 58S mesoporous bioactive glass (MBG) particles in as-synthesized condition and after embedding propolis and cranberry antibiofilm compounds at different concentrations. MBG 58S was synthesized by alkali sol-gel method with the addition of the triblock pluronic copolymer P123 as surfactant. Samples were characterized by physco-chemical properties measurement, N2 adsorption/desorption analysis, and field emission scanning electron microscopy (FESEM) observations...
January 29, 2018: Journal of Biomedical Materials Research. Part A
Agata Stobnicka, Małgorzata Gniewosz
The objective of the study was to determine the antimicrobial activity of Swamp Cranberry (Vaccinium oxycoccos) fruit and pomace extracts (FSCE and PSCE) and their efficiency in minced pork meat. Ethanol (96 and 40%) and water were used for raw material extraction. Organic acids, flavonols, terpenes and stilbenes composition of the extracts was determined using HPLC. Minimal inhibitory concentration and minimum bactericidal/fungicidal concentration were determined for bacteria and fungi strains using the broth macrodilution method...
January 2018: Journal of Food Science and Technology
Andrew Ferguson, Elisabete Carvalho, Geraldine Gourlay, Vincent Walker, Stefan Martens, Juha-Pekka Salminen, C Peter Constabel
Salal (Gaultheria shallon Pursh.) is a wild perennial shrub of the Ericaceae and common in coastal forests of western North America, and its berries were an important traditional food for First Nations in British Columbia. Salal berries were investigated for phytochemical content and antioxidant capacity over the course of fruit development. The proanthocyanidin content was extremely high in young berries (280.7 mg/g dry wt) but dropped during development to 52.8 mg/g dry wt. By contrast, anthocyanins accumulated only at the late berry stages...
January 17, 2018: Phytochemistry
Daniela Mayumi Usuda Prado Rocha, Ana Paula Silva Caldas, Bárbara Pereira da Silva, Helen Hermana Miranda Hermsdorff, Rita de Cássia Gonçalves Alfenas
The metabolic effects of cranberry and blueberry consumption on glycemic control have been evaluated in vitro and in animal models as well as in human studies, although findings have not been systematically reviewed yet. Therefore, a systematic review was carried out of relevant randomized clinical trials (RCTs) in order to assess the effect of berries (blueberry and cranberry) consumption on type 2 diabetes (T2DM) glycemic control. Some evidences were also discussed on the anti-diabetic mechanisms exerted by berries polyphenols...
January 18, 2018: Critical Reviews in Food Science and Nutrition
Annick Gerber, Camille Buffle Genecand, Thierry Mach, David Schrumpf, Ana Rita Forte Marques, Jean Dupraz, Thomas Schmid
Many treatments are used every day in general medicine without any evidence of their efficacy. This last year, three randomised studies tried to prove the clinical utility of chondroitin/glucosamine in arthritis, cranberry in urinary infections, and acupuncture in migraine. Screening and management of prostate cancer are still controversial. Two recent studies help us advising our patients on this difficult topic. Muscle side effects from statins are well known and have been widely relayed by the press these last years, although myopathies are rare in clinical trials...
January 17, 2018: Revue Médicale Suisse
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 16, 2018: Food & Function
Edoardo Longo, Fabrizio Rossetti, Matteo Scampicchio, Emanuele Boselli
Cyclic B-type proanthocyanidins in red wines and grapes have been discovered recently. However, proanthocyanidins of a different chemical structure (non-cyclic A-type proanthocyanidins) already known to be present in cranberries and wine possess an identical theoretical mass. As a matter of fact, the retention times and the MS/MS fragmentations found for the proposed novel cyclic B-type tetrameric proanthocyanidin in red wine and the known tetrameric proanthocyanidin in a cranberry extract are herein shown to be identical...
January 12, 2018: Journal of the American Society for Mass Spectrometry
Jessica I Lozano-Navarro, Nancy P Díaz-Zavala, Carlos Velasco-Santos, José A Melo-Banda, Ulises Páramo-García, Francisco Paraguay-Delgado, Ricardo García-Alamilla, Ana L Martínez-Hernández, Samuel Zapién-Castillo
The aim of this study is to analyze the properties of a series of polysaccharide composite films, such as apparent density, color, the presence of functional groups, morphology, and thermal stability, as well as the correlation between them and their antimicrobial and optical properties. Natural antioxidants such as anthocyanins (from cranberry; blueberry and pomegranate); betalains (from beetroot and pitaya); resveratrol (from grape); and thymol and carvacrol (from oregano) were added to the films. Few changes in the position and intensity of the FTIR spectra bands were observed despite the low content of extract added to the films...
January 12, 2018: Materials
Emilia Alfaro-Viquez, Daniel Esquivel-Alvarado, Sergio Madrigal-Carballo, Christian G Krueger, Jess D Reed
Chitosan interacts with proanthocyanidins through hydrogen-bonding, which allows encapsulation and development of stable nanoparticles via ionotropic gelation. Cranberry proanthocyanidins (PAC) are associated with the prevention of urinary tract infections and PAC inhibit invasion of gut epithelial cells by extra-intestinal pathogenic Escherichia coli (ExPEC). We determined the effect of cranberry proanthocyanidin-chitosan hybrid nanoparticles (PAC-CHTNp) on the ExPEC invasion of gut epithelial cells in vitro...
January 8, 2018: International Journal of Biological Macromolecules
Shaomin Zhao, Haiyan Liu, Liwei Gu
Cranberries contain various types of bioactive components. Scientists have been studying cranberries' beneficial effects on urinary tract health since the 20th century. In the 21st century, the protection provided by cranberry phytochemicals against cancer and vascular diseases has drawn more attention from researchers. Anthocyanins, procyanidins, and flavonols in cranberries were all documented to have potential effects on cancer prevention. The cardiometabolic effects of cranberries have been investigated in several clinical trials...
January 9, 2018: Journal of the Science of Food and Agriculture
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