The HPLC Fingerprint and Isovanillin Content of Benincasa hispida Seeds

Table 2

Percent recovery of isovanillin.

Weight of sample (g)	Isovanillin amount in sample (μg)	Amount added (μg)	Amount measured (μg)	Percent recovery (%)	Average percent recovery (%)	RSD^a (%)
1.0001	38.15	33.25	31.26	94.0	97.0	4.9
1.0015	38.21	33.25	30.54	91.8
1.0003	38.16	33.25	30.98	93.2
1.0009	38.18	33.25	32.75	98.5
1.0012	38.20	33.25	34.22	102.9
1.0007	38.18	33.25	33.85	101.8

RSD: relative standard deviation.