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

Table 5

L-citrulline and L-arginine contents (mg/g) in juice extract and methanol extract of watermelon flesh and rind juices.

Watermelon	Compounds	Juices	Juice extract (mg/g)	Methanol extract (mg/g)
Red	L-citrulline	Flesh	43.81	16.22
		Rind	45.02	24.99
	L-arginine	Flesh	11.10	6.42
		Rind	3.39	4.08
Yellow crimson	L-citrulline	Flesh	15.77	13.91
		Rind	16.61	16.03
	L-arginine	Flesh	8.23	6.68
		Rind	11.14	8.41