Table 4.

Recoveries of the nine triterpenoids in P. guajava.

Analyte	Original (mg)	Spike (mg) a	Found (mg) a	Recovery (%) (n = 3)	RSD (%)
1	1.54	1.23	2.76	99.19	1.42
		1.60	3.25	106.87	1.02
		1.89	3.54	105.82	1.57
2	1.33	1.01	2.32	98.02	1.64
		1.38	2.74	102.17	3.37
		1.60	2.90	98.12	2.60
3	6.81	5.50	12.45	102.55	1.67
		6.80	13.70	101.32	1.24
		8.16	14.85	98.50	3.57
4	0.32	0.22	0.55	104.54	1.04
		0.33	0.66	103.03	1.97
		0.40	0.73	102.50	4.42
5	0.67	0.52	1.16	94.23	0.22
		0.62	1.27	96.77	4.33
		0.81	1.46	97.53	2.49
6	0.51	0.35	0.85	97.14	3.80
		0.52	1.05	103.84	2.74
		0.62	1.16	104.84	8.50
7	1.18	0.80	1.94	95.00	0.70
		1.18	2.39	102.50	1.15
		1.42	2.62	102.82	0.24
8	- b	4.27	4.48	104.92	3.20
		4.98	5.32	106.83	1.87
		5.55	5.85	105.41	3.51
9	1.77	1.50	3.30	102.00	0.73
		1.79	3.58	101.69	1.32
		2.10	3.77	95.24	0.76

^a The data is presented as an average of three determinations; ^b Under the limit of quantitation.