A Perspective on the Emergence of Sialic Acids as Potent Determinants Affecting Leishmania Biology

Table 2

Quantitative analysis of sialic acids by GC/MS.

Derivative (𝜇g/5 × 10^9)	L. tropica (K27)
	Retention time (min)	RNeu5Ac	Mass fragment ions A-F (m/z)
Neu5Ac	14.10	1.00	668, 624, 478, 400, 317, 298, 173
Neu5,9Ac2	15.80	1.12	638, 594, 478, 400, 317, 298, 175
Neu5Gc	24.60	1.74	756, 712, 566, 488, 386, 317, 261
	L. amazonensis (LV81)
Neu5Ac	14.80	1.00	668, 624, 478, 400, 317, 298, 173
	L. mexicana (LV4)
Neu5Ac	14.80	1.00	668, 624, 478, 400, 317, 298, 173
Neu5Gc	25.60	1.74	756, 712, 566, 488, 386, 317, 261

Reproduced and adapted from [68] with permission from publishers, and the Oxford University Press.