Sentence examples for extractive solutions from inspiring English sources

The effects of the plant:solvent ratio (A – 7.5 100 and 15:100 m/m) and the extraction time (B – 30 and 90 min) on thymol content of extractive solutions were evaluated, using a 2 1 (v/v) of ethanol:water at a temperature of 50 °C, as a solvent system.

This work was designed, therefore, to develop an LC system to separate quercetin, luteolin and 3-O-methylquercetin and to quantify them in extractive solutions from Achyrocline satureioides.

The aqueous and ethanol 80% extractive solutions showed linear response in the range 2.5 20 μl/ml and ethanol 40% extractive solution in the range 2.5 10 μl/ml.

After extraction, the extractive solution was concentrated in a rotary evaporator under reduced pressure at a temperature of 45°C, yielding 300 g of crude ethanolic extract (EtOHE- Cs).

The antioxidant activity of extractive solution, concentrated extract, and spray dried powders was determined by two different methodologies: DPPH method and evaluation of ROS production in a cell medium measured by chemiluminescence assay.

The extractive solution and concentrated extract were analyzed for total phenolics, total tannins, and total flavonoid contents.

It can be seen that both extractive solution and concentrated extract show remarkable free scavenging potential, presenting an IC50 lower than 4.0  μg/mL.

The extractive solution and concentrated extracts were analyzed for solids (C s ), density, pH, alcohol content, total flavonoids (TF), total polyphenols (TP) and total tannins (TT) contents, and antioxidant activity (A A ) using the DPPH method (Table 3).

Precision and accuracy were determined for ethanol 80% extractive solution, in the concentration of 10 μl/ml.

The extractive solution may also be obtained from the propolis by-product (BP), transforming this waste material into a pharmaceutical active ingredient.

The aim of this study was to evaluate the influences of variables of preparation on total flavonoids content from extractive solution of Lippia sidoides Cham., Verbenaceae.