"Levodopa
Original Plant:bean seed.
Origin southern and eastern Asia, mainly in South China, Southwest and Guangxi, Hunan and other provinces
Product characteristics:brown to white fine powder
Product Specifications:10%-99%
Test Method:HPLC
Its main effective ingredient is levodopa. Levodopa is mainly use in treatment of parkinsonism, liver stupor, fracture, neuralgia etc."