Results obtained by the proposed methods for the determination of l-ORN using NBD-Cl in authentic form and in pharmaceutical preparation compared to the reported method¹¹.

Parameter	Proposed method	Reported method11	Now Foods® capsules
Meana	99.84	98.69	100.9
±SD	1.491	1.56	1.10
RSD	1.494	1.58	1.09
V	2.22	2.13	1.21
n	7	3	6
±SE	0.564	0.400	0.450
t-value	1.083 (2.262)a
F	1.04 (19.3)b

^aAverage of 3 determinations; ^a and ^b are the tabulated t-values and F-ratios at p = 0.05.