Rapid detection of illegally added nifedipine in Chinese traditional patent medicine by surface-enhanced Raman spectroscopy

Quantitative analysis of the illegal addition of Atenolol in Panax notoginseng based on NIR–MIR spectral data fusion and calibration transfer

“…2 For example, anti-hypertensive chemicals, such as Atenolol, and Nifedipine, are directly mixed into Panax notoginseng powder to enhance its antihypertensive effect. 3,4 With the increasing awareness of the health concept, the efficient and accurate quantitative method for analyzing illegally added substances has become a hot research topic in the eld of modern medicine and food.…”