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https://www.readbyqxmd.com/read/27902788/fertilization-of-grapevine-based-on-gene-expression
#1
Cheng Zhang, Haifeng Jia, Jingjue Zeng, Tariq Perraiz, Zhenqiang Xie, Xudong Zhu, Chen Wang
The application of genetic information in agricultural production is an important issue, which is highly worthy of attention. Gene expression data can accurately reflect the growth and metabolic status of plants, with which we can predict and monitor the nutritional requirements of plants and then derive accurate fertilization strategies. In this study, to verify the feasibility and workability of gene information-based fertilization strategies and to figure out the specific nutritional requirements of grapevine ( L...
November 2016: Plant Genome
https://www.readbyqxmd.com/read/27892838/effect-of-bioactive-primers-on-bacterial-induced-secondary-caries-at-the-tooth-resin-interface
#2
G E Kim, A A Leme-Kraus, R Phansalkar, G Viana, C Wu, S-N Chen, G F Pauli, Akb Bedran-Russo
Secondary caries at the tooth-resin interface is the primary reason for replacement of resin composite restorations. The tooth-resin interface is formed by the interlocking of resin material with hydroxyapatite crystals in enamel and collagen mesh structure in dentin. Efforts to strengthen the tooth-resin interface have identified chemical agents with dentin collagen cross-linking potential and antimicrobial activities. The purpose of the present study was to assess protective effects of bioactive primer against secondary caries development around enamel and dentin margins of class V restorations, using an in vitro bacterial caries model...
November 28, 2016: Operative Dentistry
https://www.readbyqxmd.com/read/27891467/an-in-vitro-comparative-study-of-shear-bond-strength-of-composite-resin-to-bleached-enamel-using-three-herbal-antioxidants
#3
Pratap Kumar Mukka, Nanda Kumar Komineni, Sambashivarao Pola, E Soujanya, Anand Ramtheerth Karne, Bhasker Nenavath, Sandeep Shiva, Pallavi Vuppunuthula
INTRODUCTION: If adhesive restorations are carried out imme-diately, the Shear Bond Strength (SBS) to bleached enamel is reduced. The use of antioxidants can be highlighted since it seems to be a more effective alternative to reduce or remove the residual oxygen and immediate improvement in SBS. AIM: The purpose of this in-vitro study was an attempt to regain the lost bond strength, for which, the comparison of SBS of composite resin to bleached enamel was carried out using various antioxidants i...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27889390/safety-assessment-of-4-week-oral-intake-of-proanthocyanidin-rich-grape-seed-extract-in-healthy-subjects
#4
Atsushi Sano
A clinical study was conducted to assess the safety and tolerability of oral doses of proanthocyanidin-rich grape seed extract (GSE) in healthy Japanese adult volunteers. In an open-label, 4-week toxicity test, 29 subjects daily received 1,000, 1,500, or 2,500 mg GSE orally. Serum Fe levels of two subjects in the 2,500 mg GSE group decreased to 61 and 60 μg/100 mL from 205 and 182 μg/100 mL at baseline respectively, at second week of GSE consumption; these values are low but within the normal range for the Japanese population...
November 23, 2016: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/27887737/polyphenolic-diversity-and-characterization-in-the-red-purple-berries-of-east-asian-wild-vitis-species
#5
Kazuya Koyama, Hiroshi Kamigakiuchi, Kazuhiro Iwashita, Ryosuke Mochioka, Nami Goto-Yamamoto
Grapes (Vitis spp.) produce diverse polyphenolic compounds, which are phytochemicals that contribute to human health. In this study, the polyphenolic profiles of the red-purple berries of two wild grape species native to Japan, Vitis ficifolia and V. coignetiae, and their interspecific hybrid cultivars were investigated and compared with the profiles of V. vinifera and V. × labruscana cultivars. Proanthocyanidins (PAs) were present at lower concentrations in both skins and seeds of wild grape species and their hybrid cultivars than those in V...
November 22, 2016: Phytochemistry
https://www.readbyqxmd.com/read/27886147/emerging-phytochemicals-for-the-prevention-and-treatment-of-head-and-neck-cancer
#6
REVIEW
Santosh K Katiyar
Despite the development of more advanced medical therapies, cancer management remains a problem. Head and neck squamous cell carcinoma (HNSCC) is a particularly challenging malignancy and requires more effective treatment strategies and a reduction in the debilitating morbidities associated with the therapies. Phytochemicals have long been used in ancient systems of medicine, and non-toxic phytochemicals are being considered as new options for the effective management of cancer. Here, we discuss the growth inhibitory and anti-cell migratory actions of proanthocyanidins from grape seeds (GSPs), polyphenols in green tea and honokiol, derived from the Magnolia species...
November 24, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27882891/a-comparative-mass-spectrometric-study-of-fatty-acids-and-metals-in-some-seed-extracts
#7
Sonia Niculina Suvar, R Bleiziffer, P Podea, A Iordache, C Voica, R Zgavarogea, M Culea
A major cause of cardiovascular diseases and cancer is diet content, so the optimization of micronutrients in food is very important. Omega-3 fatty acids supplementation for patients had beneficial effects on subjective global assessment score and metabolic profiles. Fatty acids content and the metal ions in different seeds (e.g. linseed, poppy, grape, hemp, nuts, pumpkin, sesame, watermelon, chia) recommended as food supplements, purchased on the Romanian market, were compared. Gas chromatography coupled to mass spectrometry (GC-MS) was used as an excellent technique for fatty acids identification and quantitation, and inductively coupled plasma mass spectrometer (ICP-MS) for analytical measurements of metals...
2016: European Journal of Mass Spectrometry
https://www.readbyqxmd.com/read/27880936/dietary-grape-seed-proanthocyanidins-gsps-improve-weaned-intestinal-microbiota-and-mucosal-barrier-using-a-piglet-model
#8
Meng Han, Peixia Song, Chang Huang, Arash Rezaei, Shabnam Farrar, Michael A Brown, Xi Ma
Proanthocyanidins have been suggested as an effective antibiotic alternative, however their mechanisms are still unknown. The present study investigated the effects of grape seed proanthocyanidins on gut microbiota and mucosal barrier using a weaned piglet model in comparison with colistin. Piglets weaned at 28 day were randomly assigned to four groups treated with a control ration, or supplemented with 250 mg/kg proanthocyanidins, kitasamycin/colistin, or 250 mg/kg proanthocyanidins and half-dose antibiotics, respectively...
November 18, 2016: Oncotarget
https://www.readbyqxmd.com/read/27873332/monitoring-of-compositional-changes-during-berry-ripening-in-grape-seed-extracts-of-cv-sangiovese-vitis-vinifera-l
#9
Giuseppe Bombai, Federica Pasini, Vito Verardo, Onur Sevindik, Michele Di Foggia, Paola Tessarin, Anna Maria Bregoli, Paola Taddei, Maria Fiorenza Caboni, Adamo Domenico Rombolà
BACKGROUND: Seed oil and flours have been attracting the interest of researchers and industry, since they contain various bioactive components. We monitored the effects of ripening on lipids, flavan-3-ols, proanthocyanidins and tocols concentration in seed extracts from organically-cultivated cv. Sangiovese vines. RESULTS: Linoleic acid was the most abundant fatty acid, followed by oleic, palmitic and stearic acids. The tocols detected were α-tocopherol, α-tocotrienol and γ-tocotrienol...
November 21, 2016: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/27866000/effectiveness-of-final-decontamination-protocols-against-enterococcus-faecalis-and-its-influence-on-bond-strength-of-filling-material-to-root-canal-dentin
#10
Matheus Albino Souza, Daniel Dalla Lana, Ezequiel Gabrielli, Marlos Barbosa Ribeiro, Daniela Cristina Miyagaki, Doglas Cecchin
AIM: The aim of this study was to evaluate the effectiveness of final decontamination protocols against Enterococcus faecalis and their influence on bond strength of filling material to root canal dentin. MATERIAL AND METHODS: Ninety root canals were enlarged with ProTaper system and inoculated with E. faecalis for 15 days. Sixty samples were randomly divided into six groups (n=10) and subjected to following protocols: G1-distilled water(control), G2-2% chlorhexidine, G3-QMix, G4-6...
November 16, 2016: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/27859814/black-rhinoceros-diceros-bicornis-and-domestic-horse-equus-caballus-hindgut-microflora-demonstrate-similar-fermentation-responses-to-grape-seed-extract-supplementation-in%C3%A2-vitro
#11
N F Huntley, H D Naumann, A L Kenny, M S Kerley
The domestic horse is used as a nutritional model for rhinoceros maintained under human care. The validity of this model for browsing rhinoceros has been questioned due to high prevalence of iron overload disorder (IOD) in captive black rhinoceros (Diceros bicornis), which is associated with high morbidity and mortality. Iron chelators, such as tannins, are under investigation as dietary supplements to ameliorate or prevent IOD in prone species. Polyphenolic compounds variably affect microbial fermentation, so the first objective of this experiment was to evaluate the effects of grape seed extract (GSE; a concentrated source of condensed tannins; CT) on black rhinoceros hindgut fermentation...
November 13, 2016: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/27847215/grape-seed-and-skin-extract-reduces-pancreas-lipotoxicity-oxidative-stress-and-inflammation-in-high-fat-diet-fed-rats
#12
Faten Aloui, Kamel Charradi, Aziz Hichami, Selvakumar Subramaniam, Naim Akhtar Khan, Ferid Limam, Ezzedine Aouani
Obesity is related to an elevated risk of diabetes and the mechanisms whereby fat adversely affects the pancreas are poorly understood. We studied the effect of a high fat diet (HFD) on pancreas steatosis, oxidative stress and inflammation as well as the putative protection afforded by grape seed and skin extract (GSSE). HFD induced body weight gain, without affecting insulinemia, nor glycemia and dropped adiponectemia. HFD also provoked the ectopic deposition of cholesterol and triglyceride, and an oxidative stress characterized by increased lipoperoxidation and carbonylation, inhibition of antioxidant enzyme activities such as CAT, GPx and SOD, depletion of zinc and a concomitant increase in calcium and H2O2...
November 12, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27845756/the-use-of-grape-seed-byproducts-rich-in-flavonoids-to-improve-the-antioxidant-potential-of-red-wines
#13
María José Jara-Palacios, Dolores Hernanz, María Luisa Escudero-Gilete, Francisco J Heredia
The influence of adding seeds from grape pomace during Syrah wine fermentation in a warm climate has been studied. Seeds of Pedro Ximenez variety were rich in phenolic compounds, mainly flavonoids such as catechin and procyanidins. Changes in total phenolic content (TPC), total flavonoid content (TFC), and antioxidant activity of red wines were observed. These changes depended on the vinification stage and the amount of seeds (SW: 450 g or DW: 900 g seeds/150 kg grapes) applied. In general, antioxidant activity was greater when a simple dose (SW) was considered...
November 12, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27843246/evaluation-and-comparison-of-the-antibacterial-activity-against-streptococcus-mutans-of-grape-seed-extract-at-different-concentrations-with-chlorhexidine-gluconate-an-in-vitro-study
#14
REVIEW
Milan Swadas, Bhavna Dave, Soham M Vyas, Nupur Shah
INTRODUCTION: Streptococcus mutans has been implicated as primary microorganisms which cause dental caries in humans. There has been an increased interest in the therapeutic properties of some medicinal plants and natural compounds which have demonstrated antibacterial activities. Grape is one of the plants of this group which contains tannin and polyphenolic compound. AIM: To evaluate and compare antibacterial activity of grape seed extract at different concentrations with chlorhexidine gluconate against S...
July 2016: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/27833081/laricitrin-ameliorates-lung-cancer-mediated-dendritic-cell-suppression-by-inhibiting-signal-transducer-and-activator-of-transcription-3
#15
Wei-An Chang, Jen-Yu Hung, Shu-Fang Jian, Yi-Shiuan Lin, Cheng-Ying Wu, Ya-Ling Hsu, Po-Lin Kuo
Natural polyphenolic compounds of grapes and their seeds are thought to be therapeutic adjuvants in a variety of diseases, including cancer prevention. This study was carried out to investigate the effect of grape phenolic compounds on the regulation of cancer-mediated immune suppression. Laricitrin exhibits the greatest potential to ameliorate the suppressive effects of lung cancer on dendritic cells' (DCs') differentiation, maturation and function. Human lung cancer A549 and CL1-5 cells change the phenotype of DCs that express to high levels of IL-10 and prime T cells towards an immune suppression type-2 response (Th2)...
November 9, 2016: Oncotarget
https://www.readbyqxmd.com/read/27829355/transcriptome-analyses-of-seed-development-in-grape-hybrids-reveals-a-possible-mechanism-influencing-seed-size
#16
Li Wang, Xiaoyan Hu, Chen Jiao, Zhi Li, Zhangjun Fei, Xiaoxiao Yan, Chonghuai Liu, Yuejin Wang, Xiping Wang
BACKGROUND: Seedlessness in grape (Vitis vinifera) is of considerable commercial importance for both the table grape and processing industries. Studies to date of grape seed development have been made certain progress, but many key genes have yet to be identified and characterized. RESULTS: In this study we analyzed the seed transcriptomes of progeny derived from the V. vinifera seeded maternal parent 'Red Globe' and the seedless paternal parent 'Centennial seedless' to identify genes associated with seedlessness...
November 9, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27822171/grape-seed-powder-improves-renal-failure-of-chronic-kidney-disease-patients
#17
Khaoula Turki, Kamel Charradi, Habib Boukhalfa, Monia Belhaj, Ferid Limam, Ezzedine Aouani
Chronic kidney disease (CKD) is a syndrome characterized by progressive and irreversible deterioration of renal function linked to slow destruction of renal parenchyma, eventually terminating in death when sufficient number of nephrons are damaged. Oxidative stress is commonly observed in CKD patients resulting from an imbalance between overproduction of reactive oxygen species (ROS) and impairment of defence mechanisms. Grape seed extract (GSE) is a polyphenolic mixture exhibiting antioxidant and anti-inflammatory properties...
2016: EXCLI journal
https://www.readbyqxmd.com/read/27818070/assessing-and-monitoring-the-effects-of-filter-material-amendments-on-the-biophysicochemical-properties-during-composting-of-solid-winery-waste-under-open-field-and-varying-climatic-conditions
#18
Y Mtimkulu, A H Meyer, A R Mulidzi, P L Shange, F Nchu
Waste management in winery and distillery industries faces numerous disposal challenges as large volumes of both liquid and solid waste by-products are generated yearly during cellar practices. Composting has been suggested as a feasible option to beneficiate solid organic waste. This incentivized the quest for efficient composting protocols to be put in place. The objective of this study was to experiment with different composting strategies for spent winery solid waste. Compost materials consisting of chopped pruning grape stalks, skins, seed and spent wine filter material consisting of a mixture of organic and inorganic expend ingredients were mixed in compost heaps...
November 3, 2016: Waste Management
https://www.readbyqxmd.com/read/27813697/radioprotective-effect-of-green-tea-and-grape-seed-extracts-mixture-on-gamma-irradiation-induced-immune-suppression-in-male-albino-rats
#19
W El-Desouky, A H Mahmoud, M M Abbas
: Green tea extract (GTE) and grape seed extract (GSE) have antioxidant and radioprotective effects. The current study aimed to investigate the radioprotective effect of GTE and GSE mixture on radiation induced immune suppression in rats. METHOD: 35 male albino rats were divided into five groups: group 1 (control rats). The 2(nd) and 3(rd) groups rats were exposed to a single dose of gamma radiation (5 and 10Gy) respectively. The 4(th) and 5(th) groups of rats were gamma irradiated with 5 and 10Gy respectively, then administrated by gavage with GTE and GSE mixture (100 mg: 200 mg/kg B...
November 4, 2016: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/27809234/the-effects-of-pre-fermentative-addition-of-oenological-tannins-on-wine-components-and-sensorial-qualities-of-red-wine
#20
Kai Chen, Carlos Escott, Iris Loira, Juan Manuel Del Fresno, Antonio Morata, Wendu Tesfaye, Fernando Calderon, Santiago Benito, Jose Antonio Suárez-Lepe
Today in the wine industry, oenological tannins are widely used to improve wine quality and prevent oxidation in wine aging. With the development of tannin products, new oenological tannins are developed with many specific functions, such as modifying antioxidant effect, colour stabilization and aroma modifications. The aim of this work is to investigate effects of pre-fermentative addition of oenological tannins on wine colour, anthocyanins, volatile compounds and sensorial properties. In this case, Syrah juice was extracted with classic flash thermovinification from fresh must in order to release more colour and tannins...
October 31, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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