Rhubarb powder 

Electuary for Jaundice in Children Tradition: Western Source / Author: Robert Boyle (Collection of Choice Remedies, 1692) Herb Name Rhubarb powder Currants Latin Rheum palmatumRibes nigrum Amount 1⁄2 ounce2 handfuls Preparation: Cut the Currants, press through a sieve (it is best to steam them a little first), then add the Rhubarb in powder and mix well….