Evaluation of quantitative variation of secondary metabolites in Bergenia ciliata （Haw.） using high performance thin layer chromatography

摘要

Dear Editor:Therapeutically active metabolite contents in a medicinal plant vary in nature,which may impact on its therapeutic efficacy.Bergenia(Saxifragaceae)is an evergreen perennial herb widely distributed in Central and East Asia with about 30 species reported worldwide.It grows at a range of altitudes from the Khasia hills at 400 feet to the temperate Himalayas from Kashmir to Bhutan at 7,000-10,000 feet^([1]).Its distribution over a wide range of altitudinal zones makes it