Pyrazines in food samples: Recent update on occurrence, formation, sampling, pretreatment and analysis methods.

Area of Science:

• Food Chemistry
• Analytical Chemistry

Background:

• Pyrazines are key aromatic compounds influencing food flavor and quality.
• Their formation is primarily driven by the Maillard reaction (MR).

Purpose of the Study:

• To review pyrazine formation mechanisms and control strategies via Maillard reaction.
• To present an in-depth analysis of sample pretreatment and detection methods developed since 2010.

Main Methods:

• Review of literature on pyrazine analysis in food.
• Exploration of various sample preparation techniques: liquid phase extraction, solid phase extraction, supercritical fluid extraction, and microextraction methods.
• Analysis of detection methods including chromatography and sensors.

Main Results:

• Identified emerging techniques and new reactants influencing pyrazine formation.
• Evaluated simple, fast, green, and effective strategies for pyrazine analysis.
• Compared advantages and limitations of various pretreatment and detection methods.

Conclusions:

• Enhanced understanding of pyrazine characteristics through improved analytical methods.
• Provides insights for future research in pyrazine formation and control.
• Highlights the importance of advanced analytical techniques for food quality assessment.