[Quantitative determination of neferine in plumula Nelumbinis by thin layer chromatography scanning]

The content of neferine in Plumula Nelumbinis wsa determined by dual-wavelength TLC-scanning. The linear range was found to be 0.5-6.7 micrograms. The average recovery was 100.35%. The contents of neferine in growing in Fujian, Jiangxi and Hubei provinces Plumula Nelumbinis were found to be 0.199%, 2.46% and 2.48% respectively.