Rhubarb root (hydroxyanthracene derivatives, sennoside A, B, C)/Rhubarb

Specifications We can provide rhubarb root in different variety(Rheum palmatum L,Rheum Tanguticum Maxim and Rheum Officinale Baill)

Rhubarb consists of the whole or cut, dried underground parts of Rheum palmatum L. or of Rheum officinale Baillon or of hybrids of these two species or of a mixture. The underground parts are often divided; the stem and most of the bark with the rootlets are removed. It contains not less than 2.2 per cent of hydroxyanthracene derivatives, expressed as rhein (C15H8O6, Mr 284.2), calculated with reference to the dried drug.