This code system http://hl7.org/fhir/ingredient-function defines the following codes:

Code Display
Antioxidant Antioxidant
AlkalizingAgent Alkalizing Agent
<status value="active"/> <experimental value="false"/> <date value="2021-01-05T10:01:24+11:00"/> <publisher value="HL7 (FHIR Project)"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> <telecom> <system value="email"/> <value value="fhir@lists.hl7.org"/> </telecom> </contact> <description value="A classification of the ingredient identifying its precise purpose(s) in the drug product (beyond e.g. active/inactive)."/> <jurisdiction> <coding> <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/> <code value="001"/> <display value="World"/> </coding> </jurisdiction> <caseSensitive value="true"/> <valueSet value="http://hl7.org/fhir/ValueSet/ingredient-function"/> <content value="complete"/> <concept> <code value="Antioxidant"/> <display value="Antioxidant"/> </concept> <concept> <code value="AlkalizingAgent"/> <display value="Alkalizing Agent"/> </concept> </CodeSystem>