levorotatory enantiomer

levorotatory enantiomer

[‚lē·vō′rōt·ə‚tȯr·e ə¦nan·tē¦ō·mər]
(organic chemistry)
An optically active substance that rotates the plane of plane-polarized light counterclockwise. Symbolized l. Abbreviated levo.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The plasma concentration of free (Unbound) levobupivacaine is lower than that of bupivacaine racemate, because of greater protein binding of the levorotatory enantiomer. Levobupivacaine has less toxic effects on cardiovascular and the central nervous system, therefore it is an alternative choice.
(154) Once separated, it was determined that the dextrorotatory enantiomer imparted all of the beneficial antiplatelet activity, while the levorotatory enantiomer imparted all of the neurotoxicity of the racemate.
Levosulpiride is the levorotatory enantiomer of sulpiride and it is a substituted benzamide, has very recently been launched in India.