JCBN has definitions of sialic acid in two documents:
Nomenclature of Glycolipids (1997): GL-3.2 (Table 1,
footnote) states: Acylated neuraminic acids and other
derivatives of neuraminic acid may also be called sialic
acids (abbreviated Sia) when the nature of the N-acyl
substituent(s) is not relevant, or is unknown.
Nomenclature of Lipids (1976): Lip-4.2 states: The
term 'sialic acid' signifies the N-acylneuraminic acids and
their esters and other derivatives of the alcoholic
hydroxyl groups.
Note that both definitions refer to N-acyl, not merely N-
acetyl. Thus the name 'sialic acid' is a broader term than
N-acetylneuraminic acid and should not be considered a
synonym of it.
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JCBN has definitions of sialic acid in two documents:
Nomenclature of Glycolipids (1997): GL-3.2 (Table 1,
footnote) states: Acylated neuraminic acids and other
derivatives of neuraminic acid may also be called sialic
acids (abbreviated Sia) when the nature of the N-acyl
substituent(s) is not relevant, or is unknown.
Nomenclature of Lipids (1976): Lip-4.2 states: The
term 'sialic acid' signifies the N-acylneuraminic acids and
their esters and other derivatives of the alcoholic
hydroxyl groups.
Note that both definitions refer to N-acyl, not merely N-
acetyl. Thus the name 'sialic acid' is a broader term than
N-acetylneuraminic acid and should not be considered a
synonym of it.