Highly sensitive identification of illegal cooking oil by surface enhanced Raman spectroscopy combined with acyl nucleophilic substitution reaction to detect capsaicin

Key Points

• This research aims to improve methods for identifying illegal cooking oils using advanced spectroscopy techniques.
• Utilized surface enhanced Raman spectroscopy for analysis of oils.
• Applied acyl nucleophilic substitution reaction to facilitate detection.
• Focused on the detection of capsaicin as a marker for illegal cooking oil.
• Successfully identified various illegal cooking oil samples based on capsaicin presence.
• Demonstrated high sensitivity and specificity in detecting the target substances.