Schiff base reaction-assisted SERS internal standard strategy for highly sensitive and accurate detection of vanillin derivatives in tea matrices

Key Points

• Detection sensitivity improves significantly using the schiff base reaction method, allowing for accurate identification of vanillin derivatives.
• The technique utilizes surface-enhanced Raman scattering as an internal standard for reliable measurements in complex tea matrices.
• The study emphasizes the importance of precision in detecting flavor compounds, potentially enhancing quality control in food industries.
• This method may enable more effective screening of tea products, ensuring better consumer safety from adulteration.