Artigos científicos, teses e dissertações
Publicados nas melhores instituições de ensino

Grape seed protects cholestatic rats liver from ischemia/reperfusion injury

ABSTRACT PURPOSE: To determine the effect of grape-seed extract against ischemia/reperfusion injury in cholestatic liver. METHODS: Eighteen Wistar albino rats were divided into three groups. In control and study groups, cholestasis was provided by bile duct ligation. Seven day...

Ver documento
Evaluation of the potential astringency of the skins and seeds of different grape varieties based on polyphenol/protein binding

Abstract The potential astringency of eight grape cultivars was evaluated based on polyphenol/protein binding. The parameters such as weights, sizes, total phenols, flavanols and tannins of different grape tissues were determined, and the polyphenol/protein binding was analyzed b...

Ver documento
Extrato de bagaço de uva como antioxidante natural em carne de frango processada e armazenada sob congelamento / Grape pomace extract as natural antioxidant in processed chicken meat stored under freezing

Chicken meat, due to the high concentration of unsaturated fatty acids, is highly susceptible to lipid oxidation, which affects taste, aroma, colour and texture of foods, limiting its stability and shelf-life. Due to the possible toxicity of synthetic antioxidants and the current...

Ver documento
Anticancer and Cancer Chemopreventive Potential of Grape Seed Extract and Other Grape-Based Products1–3

With emerging trends in the incidence of cancer of various organ sites, additional approaches are needed to control human malignancies. Intervention or prevention of cancer by dietary constituents, a strategy defined as chemoprevention, holds great promise in our conquest to cont...

Ver documento
Microencapsulation of grape seed oil by spray drying

Abstract In the search for alternative wall materials to replace gum Arabic (GA), a good but expensive encapsulating agent, this work aimed to evaluate the effectiveness of maltodextrin 10DE in combination with GA (GA/MD, 50:50 ratio) for the microencapsulation of grape seed oil...

Ver documento
Grape seed oil: a potential functional food?

Grape seed oil (GSO) is not often consumed in Brazil and little is known of its nutritional value. Around the world there are already studies that point to the high levels of minority bioactive compounds and their relation to health benefits. The main constituent of GSO is linole...

Ver documento
Grape Seed Extract Activates Th1 Cells In Vitro

Although flavonoids manifest a diverse range of biological activities, including antitumor and antiviral effects, the molecular mechanisms underlying these activities await elucidation. We hypothesize that the flavonoid constituents of a proprietary grape seed extract (GSE) that ...

Ver documento
Chemical composition of cold pressed Brazilian grape seed oil

Abstract Grape seed oil (GSO) is an important by-product of the wine-making industry which has received attention as an alternative source of vegetable oils; its chemical compounds can be influenced by agricultural practices and industrial processing. Knowledge of the composition...

Ver documento
Exploring the Anticancer Activity of Grape Seed Extract on Skin Cancer Cell Lines A431

In this study, grape seeds were extracted using ethyl acetate and petroleum ether by solvent-solvent extraction method. The phytochemical tests were performed to identify different phytochemical compounds present in the grape seed extract (GSE). Antibacterial activity of the GSE ...

Ver documento
Effects of a Diet Supplemented with Japanese Grape (Hovenia dulcis) Seed Oil on the Omega-3 and Nutritional Lipid Quality in Nile Tilapia (Oreochromis niloticus)

In this study, the fatty acid (FA) composition of the Japanese grape (Hovenia dulcis) seed oil (JGSO) was firstly evaluated. It was found that the seed oil is rich in alpha-linolenic acid (LNA), containing approximately 425 mg LNA g-1 of total lipids. A fish diet supplemented wit...

Ver documento
Estudo dos processos de secagem e de extração para produção do óleo bruto de semente de uva

The present study aimed to study and develop a process for the extraction and production of crude oil of Cabernet Sauvignon and Ives grape seeds, that currently are residues from Brazilian wineries. On the characterization tests of the raw material, seeds were used fresh and drie...

Ver documento
Effectiveness of plant-derived proanthocyanidins on demineralization on enamel and dentin under artificial cariogenic challenge

Dental caries is considered a disease of high prevalence and a constant problem in public health. Proanthocyanidins (PAs) are substances that have been the target of recent studies aiming to control or treat caries. Objective The aim of this in vitro study was to evaluate the eff...

Ver documento
Chemo-Preventive Functions of Grape Seed Proanthocyanidin Extract against UV-Induced Intracellular Oxidative Stress and Tyrosinase Activity

Clinical studies have identified that an excessive exposure of UV light can cause oxidative stress (OS) and tyrosinase enzyme over-expression, which are associated with multiple diseases including atherosclerosis, cancers, diabetics, rheumatoid arthritis. In this study, we invest...

Ver documento
Effects of Wine by-Products on Growth Performance, Complete Blood Count and Total Antioxidant Status in Broilers

ABSTRACT This study aimed to investigate the effect of whole grape pomace (GP), grape seed (GS) and grape pomace polyphenolic extract (GPEP) on growth performance, total antioxidant status (TAS) and complete blood count (CBC) of 40-day-old chicks (hybrid Cobb 500). A total of 432...

Ver documento
Study on the Efficiency of Grape Seed Meals Used as Antioxidants in Layer Diets Enriched with Polyunsaturated Fatty Acids Compared with Vitamin E

ABSTRACT The 4-week study was conducted with 180 Lohmann Brown layers (52 weeks of age). The layers were assigned to three groups (C, E1 and E2). The basal diet (group C) consisted mainly of corn, soybean meal and corn gluten, and contained 19% crude protein and 11.58 MJ/kg metab...

Ver documento
Acarbose versus trans-chalcone: comparing the effect of two glycosidase inhibitors on obese mice

Objective Acarbose and trans-chalcone are glucosidase inhibitors whose beneficial effects have been demonstrated in diabetes. The present study aimed at investigating their potential effects in obesity.Materials and methods NMRI male mice (n = 48) were subjected to a high fat die...

Ver documento
Effects of grape seed extract on periodontal disease: an experimental study in rats

Abstract Natural compounds capable of modulating the host response have received considerable attention, and herbal products are suggested as adjunctive agents in periodontal disease treatment. Objective This study aimed to demonstrate the effect of grape seed extract (GSE) on ...

Ver documento
Effect of grape seed extract (GSE) on functional activity and mineralization of OD-21 and MDPC-23 cell lines

Abstract Recent studies on functional tissue regeneration have focused on substances that favor cell proliferation and differentiation, including the bioactive phenolic compounds present in grape seed extract (GSE). The aim of this investigation was to evaluate the stimulatory po...

Ver documento
In vitro germination to overcome dormancy in seeds of ‘Red Globe’, ‘Italia’ and ‘Niagara Rosada’ grapes

Resumo A dormência em sementes de videira dificulta o avanço de muitos programas de melhoramento genético da cultura, ocasionando desuniformidade e baixa porcentagem de germinação. Os métodos convencionais utilizados para superar a dormência são demorados. Assim, a germinação in...

Ver documento
ENCAPSULATION OF EXTRACT FROM WINERY INDUSTRY RESIDUE USING THE SUPERCRITICAL ANTI-SOLVENT TECHNIQUE

Abstract Grape pomace (seed, skin and stem) is a winery byproduct with high levels of biologically active compounds, such as antioxidants and antimicrobials, that could be converted into high added-value products. Since these components are easily degraded by oxygen, light and hi...

Ver documento
1 / 2