{
   "class" : {
      "owl:equivalentClass" : "http://purl.bioontology.org/ontology/SNOMEDCT/105590001",
      "rdf:type" : "rdfs:Class",
      "rdfs:comment" : "Any matter of defined composition that has discrete existence, whose origin may be biological, mineral or chemical.",
      "rdfs:label" : "Substance",
      "rdfs:subClassOf" : "schema:MedicalEntity",
      "schema:isPartOf" : "http:health-lifesci.schema.org"
   },
   "properties" : {
      "schema:activeIngredient" : {
         "rdf:type" : "rdf:Property",
         "rdfs:comment" : "An active ingredient, typically chemical compounds and/or biologic substances.",
         "rdfs:label" : "activeIngredient",
         "schema:domainIncludes" : [
            "schema:DietarySupplement",
            "schema:Drug",
            "schema:Substance",
            "schema:DrugStrength"
         ],
         "schema:isPartOf" : "http:health-lifesci.schema.org",
         "schema:rangeIncludes" : "schema:Text"
      },
      "schema:maximumIntake" : {
         "rdf:type" : "rdf:Property",
         "rdfs:comment" : "Recommended intake of this supplement for a given population as defined by a specific recommending authority.",
         "rdfs:label" : "maximumIntake",
         "schema:domainIncludes" : [
            "schema:DietarySupplement",
            "schema:Drug",
            "schema:Substance",
            "schema:DrugStrength"
         ],
         "schema:isPartOf" : "http:health-lifesci.schema.org",
         "schema:rangeIncludes" : "schema:MaximumDoseSchedule"
      }
   }
}