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Showing 1 to 20 of 101 for “"phenolic content"”.
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Quantification of Total Phenolic Content and Antioxidant Activity of Oat Cultivars Grown in South Dakota
… study were to evaluate the correlation of total phenolic content (TPC) and antioxidant activity (AA %) of oat samples. High performance liquid chromatography (HPLC) was used to analyze the oat samples for avenanthramide content. The total phenolic content was measured using AOAC method (method # …
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Legacy effects of cover crop monocultures and mixtures on soil inorganic nitrogen, total phenolic content, and microbial communities on two organic farms in Illinois
… soil inorganic nitrogen (N) pools, total phenolic content through the release of secondary compounds, and by altering soil microbial communities. I analyzed soils collected during a two-year field study and aimed to determine how spring-sown cover crops (grass, legume, or Brassica …
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Phenolic composition and antioxidant activity of sweetpotatoes [Ipomoea batatas (L.) Lam]
The influence of numerous factors on sweetpotato phenolic content and antioxidant activity was determined. Simplified, robust, and rapid methodologies were developed to quantify total phenolics and individual phenolic acids in sweetpotatoes. Quantification of total phenolic content using …
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The Effects of Cofermentation of Cider and Apple Pomace on Cider Attributes
<p>Phenolics are critical to the sensory attributes and health benefits of hard cider due to their contribution to the flavor, mouthfeel, and antioxidant activity. With the increase in demand for cider, the use of dessert apple varieties has become more common leaving ciders lacking in phenolics. …
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Processing induced changes in phenolic concentration and antioxidant capacity of corn for production of corn flakes
… 1980s. This study was designed to examine how phenolics and antioxidant capacity change during processing of corn into flakes, and to evaluate the effects of processing condition, corn genotype, and growing year on phenolics, with the ultimate goal of improving the nutritional quality of corn …
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Evaluation of indigenous medicinal plants with potential antidepressant effects
… depression-like ailments, to estimate the total phenolic content and evaluate the in vitro antidepressant-like effects of these plants. A literature review of existing ethnobotanical, ethnopharmacological and phytochemical studies was conducted from which Artemisia afra Jacq. ex Willd., Adenia …
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Manothermosonication (MTS) treatment of apple-carrot juice blend: effect on inactivation of Escherichia coli O157:H7 and quality attributes during storage
… Quality attributes such as brix, total phenolic content, titratable acidity, viscosity, antioxidant capacity, turbidity, pH, and color of the samples were compared. The MTS treatment helped to achieve 5 log reduction in apple-carrot blended juice in relatively short time, especially at …
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Analysis of physio-chemical properties of Hungarian monofloral honey types
… pH, diastase activity, sugar & moisture content, proline content, electrical conductivity, total phenolic content. honey types are acacia honey, Sunflower honey, Forest honey, linden honey, rape honey collected from various counties of Hungary.
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Analysis of phenolics and other phytochemicals in selected Malaysian traditional vegetables and their activities in vitro
… and vegetables, in particular flavonoids and phenolic compounds. Some plants have been used in traditional medicine for healing, ritual ceremonies and as health tonics or food supplements. Recent interest in the health-promoting properties of Malaysian traditional vegetables has been based on …
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Enhancing biomethane production from anaerobic digestion of Sargassum muticum
… showed that untreated FD biomass contained ash contents of 24.2–28.1% dry weight, with total dietary fibre representing 49.8– 67.4% of the organic fraction. Water- or MeOH-extracted spring and summer biomass were higher in total dietary fibre content (75.3–82.8% of the organic fraction) and …
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High pressure processing (HPP) of kelulut honey (Sarawak): enhancement on the quality and alteration of prebiotic potential on lactobacillu
… to increase the antioxidant activity and total phenolic content (TPC) by 3.0% and 47.2% respectively. Furthermore, HPP-treated at 600 MPa/10 minutes was successfully retaining the prebiotic characteristic given the good retention of total carbohydrates. Intriguingly, restricted growths were …
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Effects of aspects of terroir on the phenolic composition of New Zealand Pinot noir wines
Phenolic content is an important dimension of Pinot noir wine quality. This study aimed to find generic relationships between the phenolic content of Pinot noir wines produced from well-defined locations (single vineyards) in New Zealand, as determined from various chemical analyses, and aspects of …
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Converting coconut husks into binderless particle board.
… chemical reactivity due to its high lignin and phenolic content and can be hot-pressed into binderless particle board with excellent commercial potential. This initial investigation into proof of concept and production details determines the key processing variables and discusses the important …
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Investigation on the Antioxidant Capabilities of Spice Extracts in Inhibition of Long Chain Polyunsaturated Fatty Acids Oxidation and Cholesterol
… ginger > turmeric. For the antioxidant and total phenolic study, without heating, the antioxidant activity (TEAC) values ranged from 0.18 to 0.60 µmol of trolox equivalent/gm of extract, with oregano the lowest and rosemary showing the highest activity. After heating, the antioxidant activity …
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A systematic study of the effect of ultrasound on food enzymes and bioactives in model and real food systems (strawberry puree)
… had a detrimental effect on anthocyanins, total phenolic content and antioxidant activity of strawberry puree. On the contrary, the application of US enhanced the antioxidant activity, and anthocyanin, and total phenolic content, in strawberry puree samples, as compared to those untreated or …
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Quality improvement of manuka honey through the application of high pressure processing
… on nutritional properties of honey, namely total phenolic content and antioxidant activity. Honey samples, contained in small pouches, were subjected to different pressures (200-600 MPa) at close to ambient temperatures (25-33°C) for different holding times (10 to 30 min). Thermal processing (49- …
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