{
  "meta": {
    "disclaimer": "Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.",
    "terms": "https://open.fda.gov/terms/",
    "license": "https://open.fda.gov/license/",
    "last_updated": "2025-09-19",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "codes": [
        {
          "uuid": "db7c3af5-702a-445e-9fd4-f084e33e57ae",
          "code": "10597-60-1",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=10597-60-1",
          "code_system": "CAS",
          "references": [
            "094740a7-e379-496a-b2d1-510db26cd428",
            "61b53017-8b99-4642-9791-13fe88b7ab57"
          ]
        },
        {
          "uuid": "9f450df9-3219-4110-b099-953431730904",
          "code": "C63690",
          "type": "PRIMARY",
          "url": "https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C63690",
          "code_system": "NCI_THESAURUS",
          "references": [
            "094740a7-e379-496a-b2d1-510db26cd428"
          ]
        },
        {
          "uuid": "86ab40d1-7971-44ea-a7ed-1073c93c7ce1",
          "code": "HYDROXYTYROSOL",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/Hydroxytyrosol",
          "code_system": "WIKIPEDIA",
          "references": [
            "094740a7-e379-496a-b2d1-510db26cd428"
          ]
        },
        {
          "uuid": "49655266-ccff-4abe-8745-c08b7e17f1ac",
          "code": "1314227",
          "comments": "RxNorm",
          "type": "PRIMARY",
          "url": "https://rxnav.nlm.nih.gov/REST/rxcui/1314227/allProperties.xml?prop=all",
          "code_system": "RXCUI",
          "references": [
            "094740a7-e379-496a-b2d1-510db26cd428"
          ]
        },
        {
          "uuid": "99725898-fe9a-4770-adbb-762974c18d64",
          "code": "m6157",
          "comments": "Merck Index",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m6157?q=authorize",
          "code_system": "MERCK INDEX",
          "references": [
            "094740a7-e379-496a-b2d1-510db26cd428"
          ]
        },
        {
          "uuid": "b7b21f10-47b6-4863-9248-48daf2574cbf",
          "code": "82755",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/82755",
          "code_system": "PUBCHEM",
          "references": [
            "094740a7-e379-496a-b2d1-510db26cd428"
          ]
        },
        {
          "uuid": "4eb5c065-688e-cb01-14d0-3614e04e9d92",
          "code": "DTXSID70147451",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID70147451",
          "code_system": "EPA CompTox",
          "references": [
            "a08f40d8-3942-73fc-a947-6ee1dd0da122"
          ]
        },
        {
          "uuid": "f5eaaa95-3b81-34a8-d367-3c97af552ec6",
          "code": "C1327",
          "comments": "Pharmacologic Substance[C1909]|Agent Affecting Blood or Body Fluid[C78275]|Antiplatelet Agent",
          "type": "CONCEPT",
          "url": "https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C1327",
          "code_system": "NCI_THESAURUS",
          "references": [
            "28649c67-de18-ebd1-afec-9627b62a3672"
          ]
        },
        {
          "uuid": "205bae32-304e-f2ec-3cbf-ea779478dee5",
          "code": "C275",
          "comments": "Pharmacologic Substance[C1909]|Protective Agent[C26170]|Antioxidant",
          "type": "CONCEPT",
          "url": "https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C275",
          "code_system": "NCI_THESAURUS",
          "references": [
            "28649c67-de18-ebd1-afec-9627b62a3672"
          ]
        },
        {
          "uuid": "3d467b78-06b5-8995-027d-eec46b6fbde0",
          "code": "3475 (Number of products:12)",
          "comments": "Dietary Supplement Label Database|chemical|Hydroxytyrosol",
          "type": "PRIMARY",
          "url": "https://dsld.od.nih.gov/dsld/rptIngredient.jsp?grpid=3475&item=Hydroxytyrosol",
          "code_system": "DSLD",
          "references": [
            "28649c67-de18-ebd1-afec-9627b62a3672"
          ]
        },
        {
          "uuid": "9a2ad573-2fac-b419-88fc-ff3cd37759f1",
          "code": "DB12771",
          "type": "PRIMARY",
          "url": "https://go.drugbank.com/drugs/DB12771",
          "code_system": "DRUG BANK",
          "references": [
            "28649c67-de18-ebd1-afec-9627b62a3672"
          ]
        },
        {
          "uuid": "978fcd13-6612-424d-abbb-6b1dd0ba33bf",
          "code": "QEU0NE4O90",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "3613c577-83bd-d616-c3a4-da53b9baeed8",
          "code": "68889",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:68889",
          "code_system": "CHEBI",
          "references": [
            "28649c67-de18-ebd1-afec-9627b62a3672"
          ]
        },
        {
          "uuid": "7fecb891-d924-8fec-c93c-e6e89071bf6c",
          "code": "100000175320",
          "type": "PRIMARY",
          "code_system": "SMS_ID",
          "references": [
            "0ac9c6ef-e8e7-d043-94a0-add5965d9492"
          ]
        },
        {
          "uuid": "3b6e0fea-ade9-d372-4a41-1c33019ae59b",
          "code": "QEU0NE4O90",
          "type": "PRIMARY",
          "url": "https://dailymed.nlm.nih.gov/dailymed/search.cfm?adv=1&query=QEU0NE4O90",
          "code_system": "DAILYMED",
          "references": [
            "86ba4e26-13f4-f42c-8fd3-da91428d5383"
          ]
        },
        {
          "uuid": "fefcf699-c5d7-3069-0566-f5a383b49e78",
          "code": "837",
          "type": "PRIMARY",
          "url": "https://www.cfsanappsexternal.fda.gov/scripts/fdcc/index.cfm?set=GRASNotices&id=837",
          "code_system": "GRAS Notification (GRN No.)",
          "references": [
            "28649c67-de18-ebd1-afec-9627b62a3672"
          ]
        },
        {
          "uuid": "30135c3e-a0cc-b2c8-6c0e-53e913f2a3bc",
          "code": "600",
          "type": "PRIMARY",
          "url": "https://www.cfsanappsexternal.fda.gov/scripts/fdcc/index.cfm?set=GRASNotices&id=600",
          "code_system": "GRAS Notification (GRN No.)",
          "references": [
            "28649c67-de18-ebd1-afec-9627b62a3672"
          ]
        },
        {
          "uuid": "d0923d9f-f741-ab01-2f81-b09b08359e0a",
          "code": "876",
          "type": "PRIMARY",
          "url": "https://www.cfsanappsexternal.fda.gov/scripts/fdcc/index.cfm?set=GRASNotices&id=876",
          "code_system": "GRAS Notification (GRN No.)",
          "references": [
            "28649c67-de18-ebd1-afec-9627b62a3672"
          ]
        }
      ],
      "relationships": [
        {
          "uuid": "c957b24b-204c-4a05-b8be-2cdf1be0a53a",
          "amount": {
            "uuid": "9520ea6d-eee0-4fa5-a090-8d6be06a3b1b"
          },
          "type": "PARENT->ACTIVE CONSTITUENT ALWAYS PRESENT",
          "references": [
            "b9badc95-7f83-b5e7-c0f1-15982b9c4a90"
          ],
          "related_substance": {
            "uuid": "81f88945-ffd9-43dc-b81f-a8b7eabf06e4",
            "refuuid": "35645e24-0bca-4c63-9fea-709c771ce775",
            "name": "OLIVE",
            "linking_id": "35645e24-0bca-4c63-9fea-709c771ce775",
            "ref_pname": "OLIVE",
            "substance_class": "reference"
          }
        },
        {
          "uuid": "fc9e799f-b228-4eff-af63-f06ee2c03359",
          "amount": {
            "uuid": "b704ea8b-e14d-4c2d-9bf3-9834b42464e1"
          },
          "type": "PARENT->METABOLITE",
          "references": [
            "42dbb639-c5d6-40a3-8d0d-78324040d237"
          ],
          "related_substance": {
            "uuid": "029aba99-6861-44ea-9a22-c818224aedbd",
            "refuuid": "d15c41a6-62d9-4cec-8179-174e4359c2e1",
            "name": "Serotonin",
            "unii": "333DO1RDJY",
            "linking_id": "333DO1RDJY",
            "ref_pname": "Serotonin",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "a540f68e-f38b-4dfb-ba4e-f582998a23fc",
          "name": "2-(3,4-DIHYDROXYPHENYL)ETHANOL",
          "stdName": "2-(3,4-DIHYDROXYPHENYL)ETHANOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "8ef94f54-35a0-4426-b9a8-bf39a7bcf338",
            "7be9d57d-fc3f-470d-944e-e2d60c8a28c4"
          ],
          "display_name": false
        },
        {
          "uuid": "8d9e6e4b-d4f6-44d0-a567-41839e529fab",
          "name": "3,4-DIHYDROXY-1-BENZENEETHANOL",
          "stdName": "3,4-DIHYDROXY-1-BENZENEETHANOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "8ef94f54-35a0-4426-b9a8-bf39a7bcf338",
            "7be9d57d-fc3f-470d-944e-e2d60c8a28c4"
          ],
          "display_name": false
        },
        {
          "uuid": "34363acf-956c-41fd-8ea1-4cabe650ae46",
          "name": "3,4-DIHYDROXYPHENYLETHANOL",
          "stdName": "3,4-DIHYDROXYPHENYLETHANOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "42dbb639-c5d6-40a3-8d0d-78324040d237"
          ],
          "display_name": false
        },
        {
          "uuid": "3e618e3f-c8b0-4925-89da-85e2a8711cd3",
          "name": "4-(2-HYDROXYETHYL)-1,2-BENZENEDIOL",
          "stdName": "4-(2-HYDROXYETHYL)-1,2-BENZENEDIOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "8ef94f54-35a0-4426-b9a8-bf39a7bcf338",
            "7be9d57d-fc3f-470d-944e-e2d60c8a28c4"
          ],
          "display_name": false
        },
        {
          "uuid": "b03eedf9-8c6c-4ccf-ad18-4962523b5928",
          "name": "HOMOPROTOCATECHUYL ALCOHOL",
          "stdName": "HOMOPROTOCATECHUYL ALCOHOL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "832bb616-5ed6-4ae3-b75c-41485ce89036"
          ],
          "display_name": false
        },
        {
          "uuid": "76c181ce-18b2-4fc1-b610-7d5b5cd3cb9e",
          "name": "HYDROXYTYROSOL",
          "stdName": "HYDROXYTYROSOL",
          "type": "of",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "eaef683d-1110-460a-839f-0eedeb30915f",
            "ecc4a8fc-41b8-4d51-ba98-d04c076196ce",
            "9b1f40b1-dd2b-4cb9-b6ce-818ffa62e2cc",
            "952b405d-85c9-4760-ac3a-c966254495b0",
            "5fa8f538-96a1-473b-a012-66f38ad1fe4f",
            "4ab20379-3e7c-4ff6-831a-1a90bfc6ab81",
            "8ef94f54-35a0-4426-b9a8-bf39a7bcf338",
            "7be9d57d-fc3f-470d-944e-e2d60c8a28c4"
          ],
          "display_name": true,
          "domains": [
            "cosmetic"
          ],
          "name_orgs": [
            {
              "uuid": "de94da48-f534-4bed-be7b-7390c044395c",
              "name_org": "INCI"
            }
          ]
        },
        {
          "uuid": "1d3e8f8e-60db-40c8-b937-da7a9e0257ee",
          "name": "HYDROXYTYROSOL [MI]",
          "stdName": "HYDROXYTYROSOL [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "9b1f40b1-dd2b-4cb9-b6ce-818ffa62e2cc",
            "8ef94f54-35a0-4426-b9a8-bf39a7bcf338"
          ],
          "display_name": false
        },
        {
          "uuid": "43187510-8835-70cf-45de-0e0dd98112f3",
          "name": "Hydroxytyrosol [WHO-DD]",
          "stdName": "HYDROXYTYROSOL [WHO-DD]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "66dea7a8-1b92-8e19-2b84-b0a642f29910"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "832bb616-5ed6-4ae3-b75c-41485ce89036",
          "citation": "CHEMID 2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "9b1f40b1-dd2b-4cb9-b6ce-818ffa62e2cc",
          "citation": "MERCK INDEX",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "8ef94f54-35a0-4426-b9a8-bf39a7bcf338",
          "citation": "MERCK INDEX",
          "doc_type": "MERCK INDEX",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "7be9d57d-fc3f-470d-944e-e2d60c8a28c4",
          "citation": "Merck",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ecc4a8fc-41b8-4d51-ba98-d04c076196ce",
          "citation": "PCPC",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "5fa8f538-96a1-473b-a012-66f38ad1fe4f",
          "citation": "WHO-DD",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "094740a7-e379-496a-b2d1-510db26cd428",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391111000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "8b9b2518-1fb4-4479-8fb3-c8e102408d79",
          "citation": "SRS import [QEU0NE4O90]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=QEU0NE4O90",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391111000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c1143628-d357-43c6-95a5-d7e22307ef66",
          "citation": "CHEMID  2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "eaef683d-1110-460a-839f-0eedeb30915f",
          "citation": "HYDROXYTYROSOL [MI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "952b405d-85c9-4760-ac3a-c966254495b0",
          "citation": "HYDROXYTYROSOL [INCI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "4ab20379-3e7c-4ff6-831a-1a90bfc6ab81",
          "citation": "HYDROXYTYROSOL [WHO-DD]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "a08f40d8-3942-73fc-a947-6ee1dd0da122",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=10597-60-1",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "b9badc95-7f83-b5e7-c0f1-15982b9c4a90",
          "citation": "Antioxidants in Sport Nutrition.\nLamprecht M, editor.\nBoca Raton (FL): CRC Press/Taylor & Francis; 2015. chapter 2",
          "url": "https://www.ncbi.nlm.nih.gov/books/NBK299048/",
          "doc_type": "BOOK",
          "public_domain": true
        },
        {
          "uuid": "28649c67-de18-ebd1-afec-9627b62a3672",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "61b53017-8b99-4642-9791-13fe88b7ab57",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "42dbb639-c5d6-40a3-8d0d-78324040d237",
          "citation": "Pharmacology 9(5):294;1973",
          "doc_type": "JA",
          "public_domain": true,
          "tags": [
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "66dea7a8-1b92-8e19-2b84-b0a642f29910",
          "citation": "WHO-DD",
          "doc_type": "WHO DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "86ba4e26-13f4-f42c-8fd3-da91428d5383",
          "citation": "DailyMed",
          "doc_type": "DAILYMED",
          "public_domain": true
        },
        {
          "uuid": "0ac9c6ef-e8e7-d043-94a0-add5965d9492",
          "citation": "EU-SRS",
          "doc_type": "EMA LIST",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "62f389fb-260b-4071-9759-edfcdc8781fc",
          "id": "62f389fb-260b-4071-9759-edfcdc8781fc",
          "molfile": "\n  Marvin  01132105082D          \n\n 11 11  0  0  0  0            999 V2000\n    5.1188   -6.5778    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.8320   -6.1705    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.8320   -5.3410    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5472   -4.9299    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5472   -4.1041    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2602   -3.6915    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9745   -4.1041    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6889   -3.6905    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9745   -4.9299    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6889   -5.3433    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2602   -5.3425    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  3  2  1  0  0  0  0\n  4  3  1  0  0  0  0\n  5  4  1  0  0  0  0\n  4 11  2  0  0  0  0\n  6  5  2  0  0  0  0\n  7  6  1  0  0  0  0\n  8  7  1  0  0  0  0\n  9  7  2  0  0  0  0\n  9 10  1  0  0  0  0\n 11  9  1  0  0  0  0\nM  END",
          "smiles": "c1cc(c(cc1CCO)O)O",
          "formula": "C8H10O3",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "3b5133e8-f47a-4dac-9e14-6ce5fd010ece"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "154.1635",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "3bc34a24-6d0f-4cfc-8d39-a752d6e1b418",
      "version": "20",
      "structure": {
        "id": "bf63a556-43b7-4cf4-baf7-577f5d1e3906",
        "molfile": "\n  Marvin  01132109542D          \n\n 11 11  0  0  0  0            999 V2000\n    8.6882   -3.6902    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9739   -4.1038    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2596   -3.6912    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5467   -4.1038    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5467   -4.9295    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.8315   -5.3406    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.8315   -6.1700    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1184   -6.5773    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2596   -5.3421    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9739   -4.9295    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6882   -5.3429    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  2  3  1  0  0  0  0\n  3  4  2  0  0  0  0\n  4  5  1  0  0  0  0\n  5  6  1  0  0  0  0\n  6  7  1  0  0  0  0\n  7  8  1  0  0  0  0\n  5  9  2  0  0  0  0\n  9 10  1  0  0  0  0\n 10  2  2  0  0  0  0\n 10 11  1  0  0  0  0\nM  END",
        "smiles": "c1cc(c(cc1CCO)O)O",
        "formula": "C8H10O3",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "154.1635",
        "optical_activity": "NONE",
        "references": [
          "8b9b2518-1fb4-4479-8fb3-c8e102408d79",
          "c1143628-d357-43c6-95a5-d7e22307ef66"
        ],
        "stereo_centers": 0
      },
      "unii": "QEU0NE4O90"
    }
  ]
}