Noun
An organic residue or radical derived from lactic acid.
Source: Webster's dictionaryThis creates what is called an enol derivative that will be reduced to a “lactyl moiety” by NADPH in step six. Source: Internet
In step 5, some of the UDP-N-acetylglucosamine (UDP-GlcNAc) is converted to UDP-MurNAc (UDP-N-acetylmuramic acid) by the addition of a lactyl group to the glucosamine. Source: Internet