| http://www.w3.org/ns/prov#value | - Of 71 tonic herbs listed as such in Oriental Materia Medica, 38% are roots, rhizomes, and tubers, 21% are animal materials, 13% are seeds, and 11% are fruits, and 17% are from all other types of materials combined, including two mushrooms and maltose (a simple natural sugar product).
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