in this study, simple and efficient ultrasound-assisted emulsification microextraction (usaeme) combined with gas chromatography-flame ionization detector (gc-fid) was developed for the preconcentration and determination of carbamazepine in biological samples. in this method, the fine droplets of 1-octanol were formed and dispersed in the sample with the help of ultrasonic waves, which accelera...

This study reports on the optimization of the extraction conditions of cordycepin from Cordyceps militaris by using ultrasonication. For this purpose, the orthogonal experimental design was used to investigate the effects of factors on the ultrasonic-assisted extraction (UAE). Four factors: extraction time (min), ethanol concentration (%), extraction temperature (°C) and extraction frequency (k...

A rapid method of microwave-assisted extraction coupled with high-speed counter current chromatography and UV detector was established for the preparation of phytosterols from edible marine algae. Extraction conditions, namely microwave power, liquid/solid ratio, irradiation time and extraction temperature were optimized using orthogonal array design. The microwave-assisted extraction of Undari...

A complete chemical characterization of Moringa oleifera leaves was carried out showing a high content extractives. Extraction kinetics bioactive compounds present in this fraction were performed by conventional and ultrasound assisted extraction (UAE). 50% (v/v) hydroalcoholic mixture led to the highest total phenolic yield solvent extraction, 29.5 ± 0.3 mg per gram moringa leaves. UAE did not...

Vacuum microwave-assisted extraction (VMAE), in which microwave-assisted extraction (MAE) was performed in vacuum, was specially designed and applied for the extraction of polyphenolic compounds and pigments from Chinese herbs. The extraction conditions including solid/liquid ratio, extraction time, extraction temperature and degree of vacuum were optimized. Subsequently, VMAE, MAE, and convent...

Introduction: Cadmium is recognized worldwide as a toxic metal. In this study, Solvent-Assisted Dispersive Solid Phase Extraction (SA-DSPE) combined with Flame Atomic Absorption Spectrometry (FAAS), was used for determination of trace amounts of Cadmium (Cd-II)) in drinking water samples. Correspondence: Omid Rahmanian, PhD. ...

Anthracnose development by Colletotrichum musae was observed to be significantly less in the fruits of the banana cultivar 'Embul' (Mysore, AAB) infected with Phyllosticta musarum than in fruits without such infections. Anthracnose disease originates from quiescent C. musae infections in the immature fruit. P. musarum incites minute, scattered spots, referred to as freckles, in the superficial ...

In this study, the effects of three different independent variables (extraction temperature, extraction time, ultrasonic power) on total phenolic content, yield and antioxidant capacity (IC50) value olive leaf extracts Halhalı variety which is originated from South-eastern Anatolia Region were investigated. As a result evaluation made with Box-Behnken Design Model, optimum conditions determined...