Contents	Items	Spec
Physicochemical property	Water	≤5.0
	Ash	≤0.5
	Catechin	≥30.0，≥50.0，≥98.0
	EGCG	≥15.0，≥50.0，≥75.0
	Caffeine	≥5.0， ≥15.0，≥45.0
	Total heavy-metal(ppm)	≤0.5
	Pb(ppm)	≤10.0
	As(ppm)	≤1
	Solubility	Cold or Hot water
	Pesticide Residue	Negative
Microbiological Tests	Total bacterial colony（cfu/g）	≤1000
	Yeast&Mold（cfu/g）	≤100
	E.coli	Negative
	Salmonella	Negative
Organoleptic Properties	Appearance	Light yellow, brown granule
		Slight bitterness, aroma