Table 3.

Repeatability and recovery study for the three markers in Vidangadi churna.

Compound	Contentsa (mg/g)	Added amount (mg)	Recorded amounta (mg)	Recovery ratea (%)	RSD (%)
Embelin	6.47±0.01	3	9.34±0.11	95.66±1.08	1.12
		6	12.37±1.10	98.33±2.04	2.07
		9	15.37±0.07	98.89±0.77	0.77
Rottlerin	41.49±0.08	20	61.69±1.07	100.33±0.73	0.73
		40	80.30±2.04	98.55±1.55	1.57
		60	100.57±1.08	99.10±1.83	1.84
Ellagic acid	4.59±0.04	2	6.67±0.17	102.33±2.30	2.24
		4	8.62±0.02	100.75±0.71	0.70
		6	10.71±1.10	101.98±1.08	1.06

^aMean±SD (n=3).