levorotatory


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levorotatory

 [le″vo-ro´tah-tor″e]
turning the plane of polarized light to the left (counterclockwise).

le·vo·ro·ta·to·ry

(lē'vō-rō'tă-tō'rē),
1. Denoting levorotation, or certain crystals or solutions capable of causing it; as a chemical prefix, usually abbreviated l- or (-). Compare: dextrorotatory.
2. Describing any leftward or anticlockwise rotation.
Synonym(s): levogyrate, levogyrous

levorotatory

(lē′və-rō′tə-tôr′ē) also

levorotary

(-tə-rē)
adj. Symbol l-
Of or relating to an optically active substance that rotates the plane of polarized light to the left, or counterclockwise: Only levorotatory amino acids are biologically active.

le·vo·ro·ta·to·ry

(lē'vō-rō'tă-tōr-ē)
Denoting levorotation, or crystals or solutions capable of causing it; as a chemical prefix, usually abbreviated l- or (-).
Compare: dextrorotatory
Synonym(s): laevorotatory.

laevorotatory

or

levorotatory

(of a crystal, liquid or solution) having the property of rotating a plane of polarized light to the left (e.g. fructose). Compare DEXTROROTATORY.
References in periodicals archive ?
My own work, however, revealed that (R)-ar-himachalene is dextrorotatory (+3.8) in hexane but levorotatory (-2.4) in chloroform.
One enantiomer will rotate the plane of polarized light clockwise (dextrorotatory) while its mirror image will rotate the plane of polarized light in the equal but opposite direction (counterclockwise, or levorotatory).
(2) Legally, the nectar and saccharine exudation of plants, gathered, modified, and stored in the comb by honeybees, which is levorotatory, and contains not more than 25 percent of water, not more than 0.25 percent ash, and not more than 8 percent sucrose.
THP possesses not only an analgesic effect, but also a hypnotic effect; these properties are more pronounced in the optically active levorotatory form (2).
Protolichesterinic acid has chiral centers at C-3 and C-4 and occurs in nature in the dextro- and levorotatory forms (2R, 3S and 2S, 3R, respectively) [23].
Levosulpiride is the levorotatory enantiomer of sulpiride and it is a substituted benzamide, has very recently been launched in India.
The levorotatory isomers were shown to have a safer pharmacological profile with less cardiotoxic and neurotoxic effects and it is attributed to its faster protein binding rate.