Specification :

Tangeretin
Cas number: 481-53-8
Herb Source: Bark and pericarp of Citrus nobilis Lour.
Synonyms: 5,6,7,8,42-Pentamethoxyflavone, Ponkanetin
Molecular Formula and Molecular Weight : C20H20O7372.38
Melting Point and solubility: mp50^51. Insoluble in water, freely soluble in ethanol and ether.

Brief: white needletangeretin belongs to Flavonoid
Pharmacology: Anti-fungal action, anticarcinogenic effect. It can inhibit the proliferation of sub-tumour cells in vitro and inhibit the release of basophil histamine. It can also inhibit the shrinkage of smooth muscle cells.