Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 13 of 13 for “"Total polyphenol content"”.
-
A comparative study of white, black and green tea solutions as potential antiviral agents in rhesus monkey kidney cells induced with porcine rotavirus
… conducted before virus inhibition experiments. Total polyphenol content, of each tea, was determined using Folin-Ciocalteu Method, with Gallic Acid (GA) as a standard in milligram equivalents to GA per milliliter. Total polyphenols were highest in Green Tea, 4.50 ± 0.58 mg GA equivalent/mL. …
-
Apple pomace polyphenols and their effect on the proliferation of human epithelial colorectal adenocarcinoma cells (HT-29)
… to eventually produce a human health promoting, polyphenol-enriched dairy product for human consumption by apple pomace (AP) inclusion in the diet of a dairy cow, two preliminary studies were conducted. Initially, 8 commonly found polyphenols, in locally-sourced AP, were quantified via UPLC/MS …
-
Determination of phytochemicals in vegetable juices and their effects on postprandial glycaemia
… diseases. Bioactive phytochemicals such as polyphenols, carotenoids, vitamins, minerals and others present in fruit and vegetables may be at least partly responsible for this effect. The precise mechanisms of action for several groups of compounds, and their potential impacts upon each …
-
Antioxidant activity of Bulgarian medicinal plants and related biological effects // Антиоксидантна активност на български лечебни растения и свързани с нея биологични ефекти
… Scientific evidence is obtained that the total polyphenol content and the associated antioxidant capacity across many of Bulgarian plants are high and correlate positively. The effects of Agrimonia eupatoria, Sambucus ebulus and Cotinus coggygria on redox sensitive gene expression and the …
-
Antioxidant properties and anti-cancer effects of polyphenols in sweetpotato leaves
… as vitamins and minerals, but they also contain polyphenol compounds including the caffeoylquinic acid derivatives and carotenoids such as lutein. Several studies have shown the polyphenol contents and antioxidant capacities of SPL, which vary based on year and variety, while few studies have …
-
Use of citrus fiber in ground beef meatballs as a functional ingredient
… Food products with high fat and cholesterol content have been associated with these health problems and consumption of processed meat products have been linked to these diseases. Research in developing healthy meat products is becoming more crucial. Therefore, the objective of this study was …
-
Phytochemical investigation and biological activities of Sanicula europaea and Teucrium davaeanum. Isolation and identification of some constituents of Sanicula europaea and Teucrium davaeanum and evaluation of the antioxidant activity of ethanolic extracts of both plants and cytotoxic activity of some isolated compounds
… davaeanuside B are proposed respectively." The total polyphenol content of S. europaea L, T. davaeanum leaves-flowers and T. davaeanum stem were found to be 5.0, 1.20 and 0.65 mg per 100 mg dried plant material respectively. A study of the antioxidant activity of the 50 % ethanol extracts of S. …
-
Investigating flavor quality and variances in F2 cucumber progenies using instrumental analysis
… (°Brix), the Folin Ciocalteu reaction (polyphenols), and SPME-GC-MS (volatiles). Statistical analysis included histograms and dendrograms constructed from AHC analysis. For texture, a normal distribution of hardness was observed with a range of 1.34N-57.26N and an average of 31.78N, …
-
Dietary bioactive compounds and possible health benefits of dragon fruit and star fruit
Novel plant-based products with a high content of phenolic compounds have been studied to assess their effect on health. This thesis has explored three different species of dragon fruit, Hylocereus polyrhizus (red flesh), Hylocereus undatus (white flesh), and Hylocereus megalanthus (yellow peel) as …
-
Effect of yerba mate tea caffeine and green coffee by-products on in vitro adipogenesis and lipid accumulation and their incorporation into functional beverages
… caffeine (SC). The antioxidant capacity (AC) and total polyphenol content (TPC) of these novel caffeine sources were also investigated and compared to SC using the Oxygen Radical Absorbance (ORAC) assay and the Folin-Ciocalteu method, respectively. Lipid quantification was done by the Oil Red O …
-
DEFATTED SEED CAKES RECOVERY TO INCREASE BIOFUEL PRODUCTION SUSTAINABILITY FROM SECOND-GENERATION OIL-CROPS
… protein source when included at 10% (w/w) of the total ration. AGHG reduction up to 70% was observed. The third step evaluated DSCs for biogas production. B. juncea produced the highest methane yield (366 ± 18 Nml CH4 g−1 TS). Continuous stirred tank reactor (CSTR) trials achieved a biomethane …
-
Flavonoid protection of cardiac cells against ischemia-reperfusion injury
… enhancing the antioxidant capacity of cells. Polyphenols, and in a more specific category, flavonoids are strong antioxidants, while possessing other biological activities such as anti-apoptotic, anti-inflammatory, and vasodilatory effects. I hypothesized that flavonoids are able to reduce …
-
Evaluation of the antioxidant and anti-diabesity potential of cyclopia maculata using in vitro non-cell based screening models
… the activities with phenolic composition. Total antioxidant capacity (TAC) was assessed in terms of free radical scavenging and iron reducing ability. The DPPH, ABTS, ORAC and FRAP assays were employed. Anti-diabesity potential was assessed in terms of the inhibition of the digestive …