Specification: 8% Isoflavones

Assay: COA
 

Analysis Item	Specification	Result	Test Method
Active Ingredeints
Assay	Total isoflavones ≥12%	12.20%	HPLC
	Daidzein	0.92%	HPLC
	Genistein	0.53%	HPLC
	Formononetin	8.42%	HPLC
	Biochanin A	2.30%	HPLC
Physical Control
Identification	Positive	Complies	TLC
Appearance	Deep-Brown Green Fine Powder	Complies	Visual
Odor	Characteristic	Complies	Organoleptic
Taste	Characteristic	Complies	Organoleptic
Sieve Analysis	100% pass 80 mesh	Complies	80 Mesh Screen
Loss on Drying	5% Max	2.10%	5g/105oC/5hrs
Residue on Ignition	5% Max	2.15%	2g/525oC/5hrs
Chemical Control
Solvents Resides	Eur.Pharm	Complies
Arsenic (As)	NMT 0.5ppm	Complies	Atomic Absorption
Cadmium(Cd)	NMT0.05ppm	Complies	Atomic Absorption
Lead (Pb)	NMT 0.5ppm	Complies	Atomic Absorption
Heavy Metals	20ppm Max	Complies	Atomic Absorption
Pesticides Residues	NMT 1ppm	Complies	Gas Chromatography
Microbiological Control
Total Plate Count	1000cfu/g Max	Complies	CP2000
P.aeruginosa	Negative	Complies	CP2000
S. aureus	Negative	Complies	CP2000
Salmonella	Negative	Complies	CP2000
Yeast & Mold	100cfu/g Max	Complies	CP2000
E.Coli	Negative	Negative	CP2000
Packing and Storage
Packing	25kg/drum Packing in paper-drums and two plastic-bags inside.
Storage	Store in a well-closed container away from moisture.
Shelf Life	2 years if sealed and store away from direct sun light.