... 1911, Pyruvic acid fermented by yeast, Neubauer and Fromherz 181. 1911, Yeast 'carboxylase' converts pyruvic acid to acetaldehyde and CO 2, Neuberg and Karczag 183. ... In 1906, he started the Biochemische Zeitschrift and edited 278 volumes over the next 30 years. ...