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Simultaneous Determination of Eight Nonvolatile Ginger Constituents in Dietary Supplements and Ingredients by HPLC-DAD - You, et al

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Objective: To develop and validate a method for identifying and quantifying [6]-, [8]-, and [10]- gingerols; [6]-, [8]-, and [10]- shogaols; [6]- paradol, and zingerone in dietary ingredients and supplements that contain ginger rhizome, dry extract, and/or purified nonvolatile ginger constituents, as a consensus quality control protocol for dietary supplement labeling and manufacturing. - Hong You, Bailey Ireland, Michael Moeszinger, Haoshu Zhang, Laura Snow, Scott Krepich, and Vivian Takagawa