diff --git a/explore/src/app/app.component.ts b/explore/src/app/app.component.ts
index de297410..f7cb45e7 100644
--- a/explore/src/app/app.component.ts
+++ b/explore/src/app/app.component.ts
@@ -15,6 +15,7 @@ import {Meta} from "@angular/platform-browser";
 import {properties} from "../environments/environment";
 import {SmoothScroll} from "./openaireLibrary/utils/smooth-scroll";
 import {SEOService} from "./openaireLibrary/sharedComponents/SEO/SEO.service";
+import {OpenaireEntities} from "./openaireLibrary/utils/properties/searchFields";
 
 @Component({
   //changeDetection: ChangeDetectionStrategy.Default,
@@ -107,21 +108,21 @@ export class AppComponent {
   }
   
   buildMenu() {
-    let researchOutcomesMenu = new MenuItem("", "Research Outcomes", "", "/search/find/research-outcomes", false, [], ["/search/find/research-outcomes"], {resultbestaccessright: '"' + encodeURIComponent("Open Access") + '"'});
+    let researchOutcomesMenu = new MenuItem("", OpenaireEntities.PUBLICATIONS, "", "/search/find/research-outcomes", false, [], ["/search/find/research-outcomes"], {resultbestaccessright: '"' + encodeURIComponent("Open Access") + '"'});
     researchOutcomesMenu.items = [
-      new MenuItem("", "Publications", "", "/search/find/research-outcomes", false, [], ["/search/find/research-outcomes"], {type: '"' + encodeURIComponent("publications") + '"'}),
-      new MenuItem("", "Research data", "", "/search/find/research-outcomes", false, [], ["/search/find/research-outcomes"], {type: '"' + encodeURIComponent("datasets") + '"'}),
-      new MenuItem("", "Software", "", "/search/find/research-outcomes", false, [], ["/search/find/research-outcomes"], {type: '"' + encodeURIComponent("software") + '"'}),
-      new MenuItem("", "Other research products", "", "/search/find/research-outcomes", false, [], ["/search/find/research-outcomes"], {type: '"' + encodeURIComponent("other") + '"'})];
+      new MenuItem("", OpenaireEntities.PUBLICATIONS, "", "/search/find/research-outcomes", false, [], ["/search/find/research-outcomes"], {type: '"' + encodeURIComponent("publications") + '"'}),
+      new MenuItem("", OpenaireEntities.DATASETS, "", "/search/find/research-outcomes", false, [], ["/search/find/research-outcomes"], {type: '"' + encodeURIComponent("datasets") + '"'}),
+      new MenuItem("", OpenaireEntities.SOFTWARE, "", "/search/find/research-outcomes", false, [], ["/search/find/research-outcomes"], {type: '"' + encodeURIComponent("software") + '"'}),
+      new MenuItem("", OpenaireEntities.OTHER, "", "/search/find/research-outcomes", false, [], ["/search/find/research-outcomes"], {type: '"' + encodeURIComponent("other") + '"'})];
     //TODO add check for research results route
     this.menuItems = [
       {
         rootItem: new MenuItem("search", "Search", "", "/search/find", false, [], ["/search/find"], {qf: true}),
         items: [
           researchOutcomesMenu,
-          new MenuItem("", "Projects", "", "/search/find/projects/", false, ["project"], ["/search/find/projects"], {}),
-          new MenuItem("", "Content Providers", "", "/search/find/dataproviders", false, ["datasource"], ["/search/find/dataproviders"], {}),
-          new MenuItem("", "Organizations", "", "/search/find/organizations/", false, ["organization"], ["/search/find/organizations"], {})
+          new MenuItem("", OpenaireEntities.PROJECTS, "", "/search/find/projects/", false, ["project"], ["/search/find/projects"], {}),
+          new MenuItem("", OpenaireEntities.DATASOURCES, "", "/search/find/dataproviders", false, ["datasource"], ["/search/find/dataproviders"], {}),
+          new MenuItem("", OpenaireEntities.ORGANIZATIONS, "", "/search/find/organizations/", false, ["organization"], ["/search/find/organizations"], {})
         ]
       },
       {
@@ -138,7 +139,7 @@ export class AppComponent {
           new MenuItem("", "Learn more", this.properties.claimsInformationLink, "", false, [], [], {})]
       },
       {
-        rootItem: new MenuItem("datasources", "Content Providers", "", "", false, ["datasource"], [], {}),
+        rootItem: new MenuItem("datasources", OpenaireEntities.DATASOURCES, "", "", false, ["datasource"], [], {}),
         items: [new MenuItem("", "Data Policies", "https://beta.openaire.eu/oa-policies-mandates", "", false, ["datasource"], [""], {}),
           new MenuItem("", "Repositories", "", "/search/content-providers", false, ["datasource"], ["/search/content-providers"], {}),
           new MenuItem("", "Journals", "", "/search/journals", false, ["datasource"], ["/search/journals"], {}),