Tea Polyhenols
Tea polyhenols is a kind of natural compound extracted from the green tea,
with 30 polyphenois variety. According to its chemical structure, it is
classified into catechins, flavone and flavonol, anthocyanidin, phenolic
acid and condensed phenolic acid. The content of catechins is the highest,
reaching 60-80% of tea polyphenols.
Specification:
Appearance: Light yellow powder
Tea Polyphenols: 80% min.
Catechins : 60% min.
Caffeine : 15% max.
EGCG: 25% min.
Loss on Drying: 5% max.
Ash: 0.5% max.
Mesh size: 80% min.
Solubility: Dissolved in water,alcohol
Heavy Metal(Pb): 10ppm max.
Arsenic: 2ppm max.
Pesticide residue: 0.1ppm max.