Adjective
Pertaining to, or designating, an acid found in many kinds of grapes. It is also obtained from tartaric acid, with which it is isomeric, and from sugar, gum, etc., by oxidation. It is a sour white crystalline substance, consisting of a combination of dextrorotatory and levorotatory tartaric acids.
Source: Webster's dictionaryAn additional requirement is that the system not be racemic : a mixture of right- and left-handed molecules will cancel the chiral effect. Source: Internet
For example, racemic amphetamine can be treated with d- tartaric acid to form a diastereoisomeric salt which is fractionally crystallized to yield dextroamphetamine. Source: Internet
If two enantiomers are present in equal proportions then their effects cancel out and no optical activity is observed; this is termed a racemic mixture. Source: Internet
Most pharmaceutical preparations of ketamine are racemic ; however, some brands reportedly have (mostly undocumented) differences in their enantiomeric proportions. Source: Internet
In 1856 the Royal Society of London presented him the Rumford Medal for his discovery of the nature of racemic acid and its relations to polarized light, and the Copley Medal in 1874 for his work on fermentation. Source: Internet
Synthetic all-racemic Synthetic vitamin E derived from petroleum products is manufactured as all- racemic alpha tocopheryl acetate with a mixture of eight stereoisomers. Source: Internet