withania somnifera Extract

PARAMETERS	Specification	Test Method
Physical Control
Description	Brown colour Powder with characterstic odor & taste	Organoleptic/In house
Identification	By TLC	TLC
Sieve Analysis	100% pass 40 mesh	USP<786>
Solubility in water	NLT 80%	In House Method
Loss on Drying	<5%	USP<731>
Bulk Density	0.3-0.7 gm/ml	USP<616>
ASSAY
Total Withanoloids	2.5% to 10%	Gravimetry
Chemical Control
Arsenic (As)	NMT 1ppm	USP<231>
Cadmium(Cd)	NMT 1ppm	USP<231>
Lead (Pb)	NMT 3ppm	USP<231>
Mercury	NMT 0.1 ppm	USP<231>
Heavy Metals	NMT 10ppm	USP<231>
Residual Solvent	As Per< USP>	USP<467>
Microbiological Control
Total Plate Count	<1,000cfu/g by Heat & Steam	USP<31>
Yeast & Mold	<1,00cfu/g by Heat & Steam	USP<31>
Salmonella	Negative	USP<31>
E.Coli	Negative	USP<31>
Staphylococcus aureus	Negative	USP<31>