[plant source ] radix scutellariae
[main ingredient] baiocalein
[specification]  98%
[molecular formula]  C₁₅H₁₀O₅
[molecular weight ]  270.24
[appearance]   yellow powder 
[function] it can reduce cerebral vascular resistance ,improve blood circulation ,increase cerebral blood flow  and has an anti-platele aggregation effect .it canbe used for the treatment of paralysis after cerbrovascular disease .