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Isoquinoline Alkaloids from Ethno Botanically Important Dicentra Paucinervia

Preeti Aggarwal, V. K. Varshney, Rameshwar Dayal and Lokho Puni

From the tubers of the ethno botanically important medicinal plant Dicentra paucinervia, two isoquinoline alkaloids, protopine and allocryptopine were isolated. Structures of the compounds were elucidated by spectroscopic data. Quantitative analysis of protopine in the tubers cultivated in two different areas was also carried out using HPTLC.