{HEAD ~ Method} for {TAIL ~ the conversion} of the enantiomers of α lipoic acid into the corresponding racemic mixture by racemizing the α lipoic acid at temperatures of between 110° C. and 200° C. at pressures of from normal pressure up to 50 bar for a reaction time of 10 to 48 hours 
for
{ HEAD ~ Method } for { TAIL ~ the conversion } of the enantiomers of α lipoic acid into the corresponding racemic mixture by racemizing the α lipoic acid at temperatures of between 110 ° C. and 200 ° C. at pressures of from normal pressure up to 50 bar for a reaction time of 10 to 48 hours
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