[Current progress in food geographical origin traceability by near infrared spectroscopy technology]

Area of Science:

• Food Science and Technology
• Analytical Chemistry
• Spectroscopy

Background:

• Food geographical origin traceability is crucial for ensuring food quality and safety.
• Traditional traceability methods face challenges in accuracy and efficiency.
• Near-infrared spectroscopy (NIR) has emerged as a promising technique for this purpose.

Purpose of the Study:

• To review and compare various techniques used for food geographical origin traceability.
• To elucidate the principles and applications of NIR spectroscopy in food traceability.
• To analyze current challenges and future trends in applying NIR for food origin determination.

Main Methods:

• Literature review of existing food traceability techniques.
• Explanation of the fundamental principles of Near-infrared spectroscopy.
• Case studies and examples of NIR applications in tracing the geographical origin of different food products.

Main Results:

• NIR spectroscopy demonstrates significant advantages including speed, non-pollution, and ease of operation.
• Various techniques for food geographical origin traceability have been evaluated, highlighting their respective pros and cons.
• Successful applications of NIR in distinguishing the origin of diverse food items have been documented.

Conclusions:

• Near-infrared spectroscopy is a powerful and advantageous tool for food geographical origin traceability.
• Addressing current application challenges is key to further advancing NIR technology in this field.
• Future research should focus on refining NIR methodologies and expanding its application scope for robust food traceability.