enantiomeric excess

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enantiomeric excess

[ə¦nan·tē·ō¦mer·ik ek′ses]
(organic chemistry)
In an asymmetric synthesis, a chemical yield that contains more of the desired enantiomer than other products.
References in periodicals archive ?
05, paired t-test), and the mean enantiomeric ratio (R:S) of the area under the plasma concentration-time curves ([AUC.
Concomitant with the loss of total thalidomide, the change affecting the enantiomeric ratio would be even greater.
Results: Adulteration of a number of tea tree oil samples was demonstrated either by abnormal enantiomeric ratios and/or the presence of compounds that are not known to occur naturally in tea tree oil.