Table 2.

Intra- and inter-day variabilities for sugars retention times (27 injections).

Compound	Retention time (minutes)
	Intra-day assays		Inter-day assays
	${\overline{t}}_R\pm s$	%RSD	${\overline{t}}_R\pm s$	%RSD
Fructose	5.57 ± 0.02	0.34	5.6 ± 0.1	2.16
Glucose	6.10 ± 0.02	0.30	6.1 ± 0.2	2.55
Sucrose	7.48 ± 0.03	0.34	7.4 ± 0.3	3.57
1-Kestose	10.84 ± 0.04	0.40	10.7 ± 0.6	5.18
Nystose	14.66 ± 0.07	0.45	14.4 ± 0.9	6.49
1F-Fructofuranosylnystose	19.8 ± 0.1	0.52	19 ± 1	7.74

${\overline{t}}_R\pm s$: average retention time ± standard deviation; %RSD, relative standard deviation percentage.