WebFeb 23, 2014 · The extraction of phenolic compounds was carried out using solvents at different polarity: 50 %, 70 % and 100 % of methanol; 50 %, 70 % and 100 % of ethanol and water. The powdered samples were added to a solvent 1:10 mixed well and kept at room temperature, for 3 days under constant stirring. WebApr 1, 2024 · Pressurized liquid extraction (PLE) and ultrasound assisted extraction (UAE) were applied to extract phenolic antioxidants from defatted Brazil nut skin (DBNS) industrial by-product. Water/alcohol solvents (ethanol and methanol) (0 - 50 % v/v water) were used at temperatures of 50 - 200 °C in PLE and 50 °C was set in UAE. The effect on extraction …
(PDF) Extraction of phenolic compounds: A review
WebJan 30, 2024 · Theoretically, working at the optimal methanol proportion and temperature for a certain period of time allows the solubilization of phenolic compounds due to weakened cell wall interactions with phenolic compounds, leading to a greater transference of phenolics into the extraction solvent [11,14]. To test this in our orange sample, a range … WebMar 20, 2013 · The extraction of phenolic compounds from prickly pear seeds was studied. Extraction experiments were carried out by investigating the effect of solvent nature (acetone, ethanol, methanol and water), solvent concentration (25–100%), sample to solvent ratio (0.2/10 to 0.8/10 g/ml), extraction time (30–150 min), and temperature … hunt county tx sheriff\u0027s office
Microwave-assisted extraction of phenolic compounds from
WebAug 19, 2024 · The extraction optimization was conducted using the best DES (ChCl:1,2-propanediol) and was determined to be at 65 °C, with a 40:1 liquid-solid ratio with a 50% aqueous DES, resulting in the highest total phenolic yield of 78 mg GAE g −1. WebThe atmospheric-thermosonication extraction (ATSE) of bioactive compounds from freeze-dried aqueous extract of green tea (FDGT) and green coffee (FDGC) herbal plants was performed to improve the separation of phenolic compounds. The extraction process was optimized by considering the operating conditions of temperature (25–85 °C), extraction ... WebThis article presents an analytical method based on solid-phase extraction (SPE) and gas chromatography coupled with mass spectrometry for the simultaneous determination of the most frequently used acidic pharmaceutical residues, ibuprofen, diclofenac, naproxen and ketoprofen (KFN), and phenolic endocrine disruptors, bisphenol (BPA), triclosan (TCS), … marty robbins early hits