Solvent extraction method

In this study, we investigated some conditions affecting the extraction of total carotenoids from R. mucilaginosa using environmentally friendly chemicals: cell disruption conditions with organic acids combined with ultrasound-assistant method, using ethanol and petroleum ether solvents to replace acetone in the process of extracting total carotenoids to obtain a benign product, easy to apply in food.

8p viling 11-10-2024 2 1   Download

In this study, the antimicrobial activity and phytochemical constituents of neem leaves and lemon grass oil extracts were evaluated. Oil extracts of neem leaves and lemon grass were obtained by solvent extraction method using hexane and ethanol.

8p lucastanguyen 01-06-2020 43 4   Download

A simple and inexpensive method was developed using liquid - liquid extraction, together with high performance chromatographic method for determination of methoxyfenozide residues in grapes. The evaluated parameters include the extracts by distilled water and acetonitrile solvents. The method was validated using grapes samples spiked with methoxyfenozide at different fortification levels (0.05, 0.1 and 0.5 µg/g). Average recoveries (using each concentration three replicates) ranged 86-95 %, with relative standard deviations less than 5%, calibration solutions concentration in the range 0.

8p chauchaungayxua6 26-06-2020 16 2   Download

This study already demonstrate the high potential of microfluidic technology to improve analytical operations on D&D samples. This method will further be validated with radioactive samples.

6p christabelhuynh 29-05-2020 10 2   Download