The potential of microextraction techniques for the analysis of bioactive compounds in food

JAM Pereira, N Casado, P Porto-Figueira… - Frontiers in …, 2022 - frontiersin.org
For a long time, the importance of sample preparation and extraction in the analytical
performance of the most diverse methodologies have been neglected. Cumbersome …

An automated homogeneous liquid-liquid microextraction based on deep eutectic solvent for the HPLC-UV determination of caffeine in beverages

A Shishov, N Volodina, D Nechaeva, S Gagarinova… - Microchemical …, 2019 - Elsevier
This work presents an automated homogeneous liquid-liquid microextraction procedure for
separation of caffeine from beverages. The microextraction procedure involved mixing …

Application of Box-Behnken design and desirability function in the optimization of spectrophotometric method for the quantification of WADA banned drug …

N Rahman, S Sameen, M Kashif - Journal of Molecular Liquids, 2019 - Elsevier
Experimental design approach was used to optimize the experimental factors in developing
a spectrophotometric method for quantification of acetazolamide using N-bromosuccinimide …

Acrylamide in bread samples: Determining using ultrasonic-assisted extraction and microextraction method followed by gas chromatography-mass spectrometry

E Norouzi, M Kamankesh, A Mohammadi… - Journal of cereal …, 2018 - Elsevier
In the present research, a various bread samples were analyzed to determine acrylamide
using highly sensitive ultrasonic assisted extraction and microextraction method. Xanthydrol …

Microextraction by packed molecularly imprinted polymer to selectively determine caffeine in soft and energy drinks

LS Teixeira, CF Silva, HL de Oliveira, LAF Dinali… - Microchemical …, 2020 - Elsevier
The method reported herein show the development of a microextraction by packed sorbent
(MEPS) coupled to high performance liquid chromatography–ultraviolet detection method for …

Dissolution of caffeine crystals in a supercritical CO 2–ethanol mixture: exploring an eco-friendly green solvent

A Kumari, M Saharay - CrystEngComm, 2025 - pubs.rsc.org
The industrial extraction of caffeine from raw coffee beans and green tea leaves is a widely
recognized process. However, there is an emerging demand to substitute conventional …

FT-NIRS Coupled with PLS Regression as a Complement to HPLC Routine Analysis of Caffeine in Tea Samples

N Ur Rehman, A Al-Harrasi, R Boqué, F Mabood… - Foods, 2020 - mdpi.com
Daily consumption of caffeine in coffee, tea, chocolate, cocoa, and soft drinks has gained
wide and plentiful public and scientific attention over the past few decades. The …

Solubility of Caffeine in Supercritical CO2: A Molecular Dynamics Simulation Study

V Reddy, M Saharay - The Journal of Physical Chemistry B, 2019 - ACS Publications
The extraction of caffeine from green tea leaves and cocoa beans is a common industrial
process for the production of decaffeinated beverages and pharmaceuticals. The choice of …

Ultrasound-assisted surfactant-enhanced emulsification microextraction and determination of caffeine and theophylline in human plasma and cocoa powder

Z Ghoraba, B Aibaghi, A Soleymanpour - Chemical Papers, 2022 - Springer
A rapid and simple ultrasound-assisted surfactant-enhanced emulsification microextraction
procedure with chloroform-decanoic acid (87: 13 w/w) as the extractant mixture has been …