A method was developed for the fractionation of grape and wine proanthocyanidins according to their degree of polymerization. The grape and wine proanthocyanidins were fractionated on C18 Sep-Pak cartridges into three fractions by different organic solvents. The combination of TLC, analytic HPLC, and degradation with toluene-R-thiol confirmed that these three fractions contained, respectively, ...

Quantification of red grape tannin and red wine tannin using the methyl cellulose precipitable (MCP) tannin assay and the Adams-Harbertson (A-H) tannin assay were investigated. The study allowed for direct comparison between the repeatability of the assays and for the assessment of other practical considerations such as time efficiency, ease of practice, and throughput, and assessed the relatio...

Plant protection based on novel alternative strategies is a major concern in agriculture to sustain pest management. The marc extract of red grape cultivars reveals plant defence inducer properties. Treatment with grape marc extract efficiently induced hypersensitive reaction-like lesions with cell death evidenced by Evans Blue staining of tobacco leaves. Examination of the infiltration zone an...

background: cylophosphamide is used alone or in combination with other drugs for treatment of neoplastic diseases. hemorrhagic cystitis is a major potential toxicity and dose limiting side effect of cyclophosphamide. the aim of this study was to evaluate the effects of lycopene compared with some antioxidants for the prevention of cyclophosphamide induced hemorrhagic cystitis in rats.   methods...

Background and aims: The consumption of grape seed nanoparticles extract can control cardiovascular risk factors. Exercise plays a protective role against disease. Therefore, the aim present study was to investigate effect eight-week resistance training (RT) use on mitochondrial biogenesis heart tissue in myocardial infarction (MI) models. Methods: In this experimental study, 25 rats were rando...

The effect of 2% grape seed and 2% grape skin powder added to chicken thigh patties stored at 4°C was assessed by measuring lipid oxidation, total phenolic content, pH, color changes and sensory attributes. The addition of these grape by-products to the patties lowered pH values and significantly reduced in lightness, redness and yellowness compared with the control. However, the addition of gr...

Tekeli, A., H. RuSTu kuTlu and l. Celik, 2014. Dietary inclusion of grape seed oil in functional broiler meat production. Bulg. J. Agric. Sci., 20: 924-932 The purpose of this study is to explore the effects of grape seed oil on growth performance, some blood parameters and fatty acid composition in broiler meat. in order to formulate isocaloric ratios, the corresponding amounts of soy oil were...

Ecophysiological aspects of seed germination were investigated in four Mediterranean geophytes of the genus Muscari (Liliaceae): M. comosum (tassel hyacinth), M. neglectum (common grape hyacinth), M. commutatum and M. weissii. Experiments were performed at constant temperatures in the dark and under temperature and light conditions simulating those prevailing in nature during November–January, ...

Anti-Diabetic Action of Cydonia oblonga Seed Extract: Improvement of Glucose Metabolism via Activation of PI3K/AKT Signaling Pathway Dan Tang1, Lian-Zhen Xie1, 2, Xue-Lei Xin1, and H. A. Aisa1* 1The Key Laboratory of Plant Resources and Chemistry of Arid Zone and State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and ...