Charles Joseph Tanret

Charles Joseph Tanret (9 August 1847, in Joinville, France – 10 July 1917, in Paris) was a French pharmacist and chemist.

He notably studied the chemistry of sugars, reporting his observations of the mutarotation of glucose in 1895. He also identified quebrachitol in 1887 from the bark of Aspidosperma quebracho.

His son Georges was also a pharmacist, specialist of plant chemistry. Georges Tanret identified an alkaloid (galegine) from Galega officinalis that was evaluated in clinical trials in patients with diabetes in the 1920s and 1930s.

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