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A novel stirrer‐liquid/solid microextraction method was developed for the separation and enrichment of trace levels of curcumin, bisdemethoxycurcumin, and demethoxycurcumin in Rhizoma Curcumae Longae, Radix Curcumae, and Rhizoma Curcumae before their analysis by high‐performance liquid chromatography with ultraviolet detection. In the proposed approach, a magnetic stirrer was immersed in decanol to...
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