The invention discloses a Raman
rapid detection method for
sibutramine in weight-reducing tea. The method comprises the following operation steps of S1, preparing a sample, namely taking a proper amount of weight-reducing tea
solid, adding an
aqueous solution of which the
mass volume is 5-50 times of the
mass volume of the weight-reducing tea
solid, and carrying out vortex oscillation for 1 min orultrasonic extraction for about 3 min to obtain a weight-reducing tea liquid; S2, pre-treating, namely centrifuging the weight-reducing tea liquid obtained in the step S1 until the weight-reducing tea liquid is clarified, taking 1 volume of supernatant, adding 0.5-2 volumes of
ethyl acetate or similar organic solvents, carrying out oscillation extraction, and carrying out standing layering; taking out an organic phase, adding GCB according to a ratio of 0.01-0.05 g / mL, oscillating, taking out the organic phase, adding 0.5-2 volumes of 1mM-1M acid liquor, carrying out back extraction, and taking the water phase for detection; and S3, detecting, namely adding the water-phase sample to be detected in S2 into a Raman detection tube, adding
metal nanoparticles and a coagulant, and uniformly mixing to carry out Raman detection. According to the method, the
sibutramine in the weight-reducing tea can be quickly and sensitively identified, the pretreatment is simple, a
reagent is cheap, the detection mode is quick, and the method has wide application space in the field of quick food detection.