Explanatory notes
… with warm water (sometimes acidulated) from the vegetable material (wood, barks, leaves, fruits, roots, etc.) … quebracho, pines, wattle (mimosa), sumach, myrobalans, vallonia, gambier, mangrove or divi-divi. The heading does not include : (a) Raw vegetable materials, whether dried, shredded, powdered or not, of a …