Web22 aug. 2014 · Background Phytochemicals like carotenoids, tocopherols, ascorbates and phenols present in the plants are strong antioxidants and have an important role in the health care system. There is growing interest in correlating the phytochemical constituents of a plant with its pharmacological activity. Therefore, the present study investigates the … Web2 jul. 2024 · Also, the present study showed that Tanacetum had the lowest amount of lipid soluble vitamins. On the other hand, catechin was found to be the main polyphenolic compound in this study and it was determined that T. parthenium had the highest catechin (4479.1±5.71 µg/mg) and total phenolic contents (324.91±2.01 µgGAE/mg) in this study.
Total Phenolic Content and Antioxidant and Antibacterial …
Web17 jan. 2024 · They are based on the color reaction of phenol (C 6 H 5 OH) with 4-aminoantipyrine and any color produced by the reaction of other phenolic compounds is reported as phenol. The concentration of phenol measured represents the minimum concentration of phenolic compounds present in the sample. Web2.5. Total phenolic [9] The total phenolic content of the extract was determined by Folin-Ciocalteu reagent. A 0.5 ml portion of appropriately diluted extracts was added to a 10-ml volumetric flask. The extract was mixed with 0.4 ml Folin-Calteau reagent and incubate for 5–8 minutes. Added 4 ml Na 2 CO 3 7% and diluted to the volume (10 ml ... notifications and access settings
How i determine/measure total phenolic content …
Web1 sep. 2024 · A single-laboratory validation of a method using Folin & Ciocalteu's phenol reagent (Folin-C reagent) for determination of total phenolic content of selected dietary … Web31 mrt. 2024 · Java cardamom is an herbal medicinal plant known as the "queen of spices." This research aims to determine the influence of shading and nitrogen fertilizer dose on the total phenolics, flavonoids, and antioxidant activity of Java cardamom stems and rhizomes. The study employed a split-plot design with two factors: the level of shading (0, 25, 50, … Webaim of the present study was to develop and validate an analytical method to determine the content of total polyphenols (TP) in an extract from L. brasiliense roots, by the UV/Vis spectrophotometric method. L. brasiliense roots were extracted in acetone:water (7:3, v/v-10% w/v). The crude extract was used to develop a method for TP assay. The ... how to sew petticoat skirt