Development of Isocratic RP-HPLC Method for Separation and Quantification of L-Citrulline and L-Arginine in Watermelons

Table 4

Intraday and interday analysis of L-citrulline and L-arginine standard reported from isocratic RP-HPLC method.

Compounds	Concentration (µg/mL)	Intraday () (%)		Interday () (%)
		Mean	RSD	Mean	RSD
L-citrulline	150	101.25	1.23	100.42	1.09
	60	102.07	1.46	103.44	1.01
	20	116.44	2.03	116.22	0.37
L-arginine	150	102.01	0.56	103.83	2.05
	60	96.26	1.04	97.36	1.13
	20	95.41	0.68	95.94	0.33