Changes in strawberry phenolics, anthocyanins, and. Results were expressed as milligrams gallic acid equivalent, in the blueberry extract, per 100 g fresh weight. This article may be called as sleeping beauty van raan 2004 as it has attracted more citations in recent years lachance slinkard and singleton 1977, c2014 152, tc2014 rank 1 somers et al. Original article genotype and growing season influence. Results are expressed as milligrams of gallic acid equivalent gae per 100g of fresh weight. Briefly, 20 l of extract solution were mixed with 1.
Agronomical characters of introduced new blackcurrant cultivars article pdf available in proceedings of the latvian academy of sciences section b natural exact and applied sciences 672. The folinchiocalteu method slinkard and singleton 1977 is widely used for determination of total phenolics in wine. L of each calibration solution or sample or blank, 100. Effect of uv treatment on antioxidant capacity, antioxidant. K slinkard vl singleton 1977 articletitletotal phenol analyses. Antioxidant and antibacterial activities of lichen usnea ghattensisin. The total anthocyanin content tac was determined according to fuleki and francis 1968 with some modi. It is based on redox reaction of phosphomolybdicphosphotungstic acid folinchiocalteu reagent to a bluecoloured complex in an alkaline solution in the presence of phenolic compounds and shows maximum. Effect of winemaking treatment and wine aging on phenolic content. A fully automatedcontinuous flow 40sample hour procedure was adapted from the singleton rossi method of analysis for total phenols in wine and other plant extracts.
Determination of total phenolic amount of some edible fruits african. The agreement in mg of gallic acid equivalent phenol gae per liter among a series of dry wines was excellent by all three procedures. Food chemistry effectsoffreezedriedvegetableproducts onthetechnologicalprocessandthequality ofdryfermentedsausages viktorijaeisinaite,rimantevinauskiene. Phellinus baumii, also called sang huang in china, is broadly used as a kind of health food or folk medicine in asia for its high biological activities, e. Pdf the evaluation of total phenolic, flavonoid, sugar. Total anthocyanin content in tissue extracts was determined using the ph di. It was compared with smallvolume manual and semiautomated versions of this analysis. Pdf the evaluation of total phenolic, flavonoid, sugar contents.
The effects of salicylic acid on helianthus annuus l. A reagent blank using distilled water was prepared. Optimization of processing conditions for aqueous pigmented rice. American journal of enology and viticulture, 28, 4955.