A simple and green ultrasonic-assisted liquid–liquid microextraction technique based on deep eutectic solvents for the HPLC analysis of sesamol in sesame oils

Abstract

A liquid–liquid microextraction based on deep eutectic solvents coupled with HPLC is developed to determine sesamol in sesame oils.

The perspectives of natural deep eutectic solvents in agri-food sector

“…In a number of experiments extraction yields by NADES were higher than that with conventional organic solvents (Dai et al 2013c;de los Angeles Fern andez et al 2018a;Jeong et al 2017;Liu et al 2017). Apart from their extraction ability, increased stability of natural compounds during extraction and storage (such as phenolic compounds, b-carotene and a-tocopherol) is another advantage of using NADES over traditional solvents (Dai, Verpoorte, and Choi 2014;de los Angeles Fern andez et al 2018a;Milano et al 2017;Xin et al 2017;Zahrina et al 2018).…”

“…Following the same approach, tailor-made NADES suitable for the extraction of phenolic acids, anthocyanins, isoflavone, flavonols, flavanol and stilbenes were developed (Bajkacz and Adamek 2018;Dai et al 2016;Liu et al 2017;Zahrina et al 2018). Using NADES as solvents, phenolic compounds were successfully extracted from fruits, medicinal plants and food by-products (Ram on et al 2017).…”

Application of Deep Eutectic Solvents in Food Analysis: A Review

“…Sesamol is an important natural antioxidant in sesame oils. In 2017, Liu et al developed a simple UALLME technique based on choline-based DESs for the extraction of sesamol from sesame oils [17]. It was found that the DES composed of ChCl and ethylene glycol (1:2 M ratio) was efficient for micro-extraction of sesamol from various sesame oil samples, and the detected results were close to those of conventional LLE with methanol as a solvent.…”

“…The authors evaluated the extraction efficiency of a set of DESs consisting of ChCl in various mixing ratios with sugars, alcohols, organic acids, and urea for the two most abundant secoiridoid derivatives in olive oil (oleacein and oleocanthal), finding that ChCl/xylitol Sesamol is an important natural antioxidant in sesame oils. In 2017, Liu et al developed a simple UALLME technique based on choline-based DESs for the extraction of sesamol from sesame oils [17]. It was found that the DES composed of ChCl and ethylene glycol (1:2 M ratio) was efficient for micro-extraction of sesamol from various sesame oil samples, and the detected results were close to those of conventional LLE with methanol as a solvent.…”

“…Natural phenolic compounds in edible oils, such as tocols [15,16] and sesamol [17], could be rapidly extracted or pre-concentrated with various DESs. Hadi et al investigated the performance of choline-based DESs in the extraction of tocopherols and tocotrienols (collectively known as tocols) from crude palm oil [15].…”