Recent advances in whiskey analysis for authentication, discrimination, and quality control

Area of Science:

• Food Science
• Analytical Chemistry
• Chemometrics

Background:

• Counterfeit and fraudulent whiskey pose significant risks to consumers and the industry.
• Existing analytical methods for whiskey authentication can be costly or impractical for routine analysis.
• Qualitative screening lacks the specificity required for definitive validation of whiskey authenticity.

Purpose of the Study:

• To provide a comprehensive review of recent analytical techniques for whiskey authentication.
• To highlight methods for differentiating and classifying whiskey samples.
• To discuss challenges and future trends in whiskey quality control.

Main Methods:

• Spectroscopic techniques (e.g., NIR, Raman)
• Chromatographic methods (e.g., GC-MS, HPLC)
• Novel analytical technologies
• Chemometric data analysis for classification and differentiation

Main Results:

• Recent analytical techniques offer robust, rapid, and reliable solutions for whiskey authentication.
• Combined analytical and chemometric approaches are fundamental for sample differentiation and classification.
• The review covers techniques employed within the last five years.

Conclusions:

• Advanced analytical and chemometric methods are essential for safeguarding authentic whiskey.
• Addressing technical challenges will pave the way for future advancements in whiskey analysis.
• Continuous development of these techniques is vital for quality control and combating fraud.