{
  "meta": {
    "built": "2026-09-30T05:41:31.791Z",
    "version": "v1",
    "license": "CC-BY-4.0",
    "source": "https://github.com/bdgroves/hoplove"
  },
  "hop": {
    "slug": "opal",
    "name": "Opal",
    "purpose": "dual",
    "country": "DE",
    "international_code": "OPL",
    "kind": "cultivar",
    "ownership": {
      "mark": "public",
      "public_domain": true
    },
    "pedigree": {
      "breeder": "unknown",
      "parents": {
        "unknown": true
      },
      "refs": []
    },
    "aroma": {
      "summary": "BarthHaas describes it as liquorice, cinnamon, bergamot, barrique, woodruff.",
      "tags": [
        "licorice",
        "cinnamon",
        "citrus",
        "woody",
        "herbal"
      ],
      "refs": [
        "barthhaas"
      ]
    },
    "usage": {
      "timing": [],
      "beer_styles": []
    },
    "products": {
      "cryo": false,
      "lupomax": false
    },
    "substitutes": [],
    "meta": {
      "status": "stub",
      "verification": "corroborated",
      "last_reviewed": "2026-09-27",
      "notes": "purpose defaulted to dual, unconfirmed -- was not researched individually for this bulk scaffold pass. Correct before publishing.\n"
    },
    "analytics": {
      "alpha_acid": {
        "unit": "percent",
        "low": 5,
        "high": 10.5,
        "typical": 7.13,
        "agreement": 0.773,
        "source_count": 2,
        "sources": [
          {
            "id": "hopsteiner",
            "tier": "breeder",
            "low": 5,
            "high": 8,
            "typical": 6.5,
            "note": "Data sheet last changed 2020-01-09."
          },
          {
            "id": "barthhaas",
            "tier": "breeder",
            "low": 5,
            "high": 10.5,
            "typical": 7.75,
            "note": "Range over the last 4 crop years."
          }
        ]
      },
      "beta_acid": {
        "unit": "percent",
        "low": 3.5,
        "high": 7.5,
        "typical": 5.05,
        "agreement": 0.725,
        "source_count": 2,
        "sources": [
          {
            "id": "hopsteiner",
            "tier": "breeder",
            "low": 3.5,
            "high": 5.5,
            "typical": 4.5,
            "note": "Data sheet last changed 2020-01-09."
          },
          {
            "id": "barthhaas",
            "tier": "breeder",
            "low": 3.7,
            "high": 7.5,
            "typical": 5.6,
            "note": "Range over the last 4 crop years."
          }
        ]
      },
      "cohumulone": {
        "unit": "percent_of_alpha",
        "low": 15,
        "high": 17,
        "typical": 16,
        "agreement": null,
        "source_count": 1,
        "sources": [
          {
            "id": "hopsteiner",
            "tier": "breeder",
            "low": 15,
            "high": 17,
            "typical": 16,
            "note": "Data sheet last changed 2020-01-09."
          }
        ]
      },
      "total_oil": {
        "unit": "ml_per_100g",
        "low": 0.8,
        "high": 2.4,
        "typical": 1.33,
        "agreement": 0.656,
        "source_count": 2,
        "sources": [
          {
            "id": "hopsteiner",
            "tier": "breeder",
            "low": 0.8,
            "high": 1.3,
            "typical": 1.05,
            "note": "Data sheet last changed 2020-01-09."
          },
          {
            "id": "barthhaas",
            "tier": "breeder",
            "low": 0.8,
            "high": 2.4,
            "typical": 1.6,
            "note": "Range over the last 4 crop years."
          }
        ]
      }
    },
    "oils": {
      "farnesene": {
        "unit": "percent_of_total_oil",
        "low": 0,
        "high": 1,
        "typical": 0.5,
        "agreement": null,
        "source_count": 1,
        "sources": [
          {
            "id": "hopsteiner",
            "tier": "breeder",
            "low": 0,
            "high": 1,
            "typical": 0.5,
            "note": "Data sheet last changed 2020-01-09."
          }
        ]
      },
      "linalool": {
        "unit": "percent_of_total_oil",
        "low": 1,
        "high": 1.5,
        "typical": 1.25,
        "agreement": null,
        "source_count": 1,
        "sources": [
          {
            "id": "hopsteiner",
            "tier": "breeder",
            "low": 1,
            "high": 1.5,
            "typical": 1.25,
            "note": "Data sheet last changed 2020-01-09."
          }
        ]
      }
    },
    "forms": null,
    "derived": {
      "alpha_beta_ratio": {
        "value": 1.41,
        "label": "1.4:1"
      },
      "oil_profile": {
        "raw_sum": 1.8,
        "normalized": null,
        "insufficient": true
      },
      "completeness": 67,
      "cited_sources": [
        "barthhaas",
        "hopsteiner"
      ],
      "relies_on_unsourced": false
    }
  },
  "similar": [
    {
      "slug": "sladek",
      "score": 0.474,
      "measured_score": 0.677,
      "coverage": 0.7,
      "parts": {
        "chemistry": 0.814,
        "oils": null,
        "aroma": 0.575
      },
      "purpose_shift": null,
      "curated": false,
      "name": "Sladek"
    },
    {
      "slug": "tettnang",
      "score": 0.446,
      "measured_score": 0.637,
      "coverage": 0.7,
      "parts": {
        "chemistry": 0.754,
        "oils": null,
        "aroma": 0.55
      },
      "purpose_shift": null,
      "curated": false,
      "name": "Tettnanger"
    },
    {
      "slug": "east-kent-golding",
      "score": 0.432,
      "measured_score": 0.617,
      "coverage": 0.7,
      "parts": {
        "chemistry": 0.656,
        "oils": null,
        "aroma": 0.588
      },
      "purpose_shift": null,
      "curated": false,
      "name": "East Kent Golding"
    },
    {
      "slug": "hallertau-mittelfrueh",
      "score": 0.427,
      "measured_score": 0.61,
      "coverage": 0.7,
      "parts": {
        "chemistry": 0.816,
        "oils": null,
        "aroma": 0.456
      },
      "purpose_shift": "dual to aroma",
      "curated": false,
      "name": "Hallertau Mittelfruh"
    },
    {
      "slug": "strisselspalt",
      "score": 0.423,
      "measured_score": 0.604,
      "coverage": 0.7,
      "parts": {
        "chemistry": 0.776,
        "oils": null,
        "aroma": 0.475
      },
      "purpose_shift": "dual to aroma",
      "curated": false,
      "name": "Strisselspalt"
    },
    {
      "slug": "spalt-spalter",
      "score": 0.413,
      "measured_score": 0.59,
      "coverage": 0.7,
      "parts": {
        "chemistry": 0.744,
        "oils": null,
        "aroma": 0.475
      },
      "purpose_shift": null,
      "curated": false,
      "name": "Spalt Spalter"
    },
    {
      "slug": "adeena",
      "score": 0.399,
      "measured_score": 0.57,
      "coverage": 0.7,
      "parts": {
        "chemistry": 0.827,
        "oils": null,
        "aroma": 0.378
      },
      "purpose_shift": "dual to aroma",
      "curated": false,
      "name": "Adeena"
    },
    {
      "slug": "hallertau-tradition",
      "score": 0.395,
      "measured_score": 0.564,
      "coverage": 0.7,
      "parts": {
        "chemistry": 0.75,
        "oils": null,
        "aroma": 0.425
      },
      "purpose_shift": null,
      "curated": false,
      "name": "Hallertau Tradition"
    },
    {
      "slug": "aramis",
      "score": 0.392,
      "measured_score": 0.56,
      "coverage": 0.7,
      "parts": {
        "chemistry": 0.786,
        "oils": null,
        "aroma": 0.39
      },
      "purpose_shift": "dual to aroma",
      "curated": false,
      "name": "Aramis"
    },
    {
      "slug": "smaragd",
      "score": 0.392,
      "measured_score": 0.56,
      "coverage": 0.7,
      "parts": {
        "chemistry": 0.852,
        "oils": null,
        "aroma": 0.342
      },
      "purpose_shift": null,
      "curated": false,
      "name": "Smaragd"
    },
    {
      "slug": "premiant",
      "score": 0.385,
      "measured_score": 0.55,
      "coverage": 0.7,
      "parts": {
        "chemistry": 0.845,
        "oils": null,
        "aroma": 0.328
      },
      "purpose_shift": null,
      "curated": false,
      "name": "Premiant"
    },
    {
      "slug": "boadicea",
      "score": 0.378,
      "measured_score": 0.54,
      "coverage": 0.7,
      "parts": {
        "chemistry": 0.755,
        "oils": null,
        "aroma": 0.378
      },
      "purpose_shift": null,
      "curated": false,
      "name": "Boadicea"
    }
  ]
}