We can supply:
1.polyphenolextracted from green tea leaves with polyphenol:20%--99%, EGCG:min.20%; catechin:min.25%; caffeine:max.8%, widely used in food and non-food industry.
Note: EGCG over 95% also available.
Visual/soluble/stable:
Light yellow—light brown powder with character odour and taste, soluble in water and ethanol.
Stable in PH4-6, oxidized in strong acid, alkali, sunlight, overheat and transition metal.
Moisture:Max.5% Ash: Max.2%
Particle size:100% through 80 mesh
Heavy Metals(lead ppm): Max.10ppm
Total Bacteria: NMT1000cfu/g
Yeast & Mold : NMT100cfu/g
Coliform Bacteria" GroupNegative
Salmonelia: Negative
2. Theaflavinextracted from black tea leaves with purity over:20%, widely used in pharmaceutics and healthcare industry.
More details, samples and customization also available