WebFeb 8, 2024 · 2.4. Determination of Total Phenol Content (TPC) Total phenol content (TPC) in the extracts of Salvia officinalis was determined by method using the Folin–Ciocalteu reagent [].In brief, 20 µl of the extract was mixed with 1.5 ml of Folin–Ciocalteu reagent (10%).After 10 min, 1.5 ml of sodium carbonate is added (Na 2 CO 3), and finally, the … WebThe total phenolic contents in the examined plant extracts using the Folin-Ciocalteu’s reagent is expressed in terms of gallic acid equivalent (the standard curve equation: y = 7.026x – 0.0191, r2 = 0.999). The values obtained for the concentration of total phenols are expressed as mg of GA/g of extract (Table 2).
Total Phenolic Content (TPC), Total Flavonoid Content (TFC) and ...
Webหลังจากนั้นได้ สูตรคำนวณมาว่า. The content of phenolic compounds will be expressed as gallic acid equivalent (GAE). The GAE will be calculated using the following equation: GAE … WebTotal Phenolics 1000mg/L Calibration Standard certified reference material; find -TPC1000 MSDS, related peer-reviewed papers, ... Kjeldahl Nitrogen, Total (TKN) 1000mg/L … doug scarborough
รบกวนพี่ๆ ห้องหว้ากอหน่อยค่ะ หนูอยากทราบวิธีหา total phenolic …
http://pubs.sciepub.com/wjar/9/1/4/index.html WebApr 13, 2024 · In this study, the total phenolic content (TPC), the total flavonoid content (TFC), antioxidant activity (TAA), phenolic compounds composition with liquid chromatography–tandem mass spectrometry (LC–MS/MS), and mineral compounds composition with inductively coupled plasma mass spectrometry (ICP-MS) of spinach … WebDetermination of total phenolic content The total phenolic content (TPC) of the plant extracts was determined spectrophotometrically using Folin-Ciocalteau’s reagent according to the method described by Kahkonen et al. (1999) with slight modifications. Three hundred microliter of samples (2000 ppm) was added into test tubes. doug schaff investing abroad