{
  "id": "ogs:core:ingredient:black-truffle",
  "ogs_version": "0.1.0",
  "name": "Black Truffle (Tuber melanosporum)",
  "description": "Périgord black truffle, prized for its intense earthy, musky aroma and deep umami character. One of the most valued culinary ingredients in fine dining.",
  "category": "fungus",
  "subcategory": "truffle",
  "sensory_profile": {
    "basic_tastes": {
      "sweet": 0.5,
      "sour": 0.5,
      "salty": 1.0,
      "bitter": 1.5,
      "umami": 8.0
    },
    "structural": {
      "body": 6.0,
      "acidity_perception": 0.5,
      "tannin": 0,
      "astringency": 0.5,
      "alcohol_heat": 0,
      "effervescence": 0
    },
    "aromatics": [
      {
        "family": "earth",
        "group": "fungal",
        "item": "truffle",
        "intensity": 9.5
      },
      {
        "family": "earth",
        "group": "soil",
        "item": "forest_floor",
        "intensity": 7.0
      },
      {
        "family": "savory",
        "group": "fermented",
        "item": "aged_cheese",
        "intensity": 4.0
      },
      {
        "family": "earth",
        "group": "mineral",
        "item": "wet_stone",
        "intensity": 3.5
      },
      {
        "family": "spice",
        "group": "warm_spice",
        "item": "nutmeg",
        "intensity": 2.0
      },
      {
        "family": "confection",
        "group": "chocolate",
        "item": "dark_chocolate",
        "intensity": 2.5
      }
    ],
    "texture": ["firm", "smooth"],
    "finish_length": 8.0,
    "complexity": 8.5
  },
  "origin": {
    "region": "Périgord, France",
    "season": "November to March",
    "terroir_notes": "Grows in symbiosis with oak and hazelnut tree roots in calcareous soil. Terroir significantly impacts aromatic intensity."
  },
  "notes": "Aroma is the defining feature; best used raw or with minimal heat to preserve volatile compounds. Shaving over warm dishes allows heat to release aromatics without destroying them.",
  "metadata": {
    "created": "2025-01-01T00:00:00Z",
    "updated": "2025-01-01T00:00:00Z",
    "source": "OGS reference library — classical culinary sources and expert tasting notes",
    "license": "Apache-2.0"
  }
}