acetylcysteinen.
/ˌasᵻtʌɪlˈsɪstɪiːn/, /ˌasᵻtɪlˈsɪstɪiːn/, /ˌasᵻtʌɪlˈsɪsteɪn/, /ˌasᵻtɪlˈsɪsteɪn/, U.S. /əˈsidlˈsɪstin/, /ˌæsədlˈsɪstin/ Biochemistry and Pharmacology.
An acetylated form of the amino acid cysteine, which is an antioxidant used as a mucolytic agent and in the treatment of paracetamol poisoning.Systematic name: N-acetylcysteine; C5H9NO3S.
ΚΠ
1937 Jrnl. Amer. Chem. Soc. 59 200/2 A decision between these alternative possibilities can be reached by noting the ease of reaction of formaldehyde with acetylcysteine on the one hand, and S-ethylcysteine on the other.
1968 New Eng. Jrnl. Med. 14 Mar. 606/1 Irrigation of the distal segment of ileum with acetylcysteine to clear the firm concretions located there.
1989 Brit. Med. Jrnl. 4 Feb. 305/2 The patient should be referred to an ophthalmologist for..treatment such as acetylcysteine eye drops for mucus aggregation.
2005 Guardian 15 Nov. ii. 13 An amino acid released from chicken during cooking chemically resembles the drug acetylcysteine, prescribed for bronchitis and other respiratory problems.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021).
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n.1937