Product name Dahurian Angelica Root Extract Another name Gracilaria Source of extract The roots of Angelica dahurica and Radix Angelicae dahuricae were extracted by pure water or alcohol and refined by spray drying at low temperature. Appearance Fine Brown-yellow Powder Specification 5:1 10:1  1% 5% 10% Component Isoimperatorin Detection method HPLC,TLC Packing Self-sealing bags; aluminium foil bags; cartons; cardboard drums (or packaging according to customer requirements) Storage condition ï¼?Shade, dryness, shelter from light and hightemperature Application Pharmaceuticals Function: 1.Effect on the central nervous system 2.Effects on the cardiovascular system 3.Antibacterial and antiviral activity