{
  "schemaVersion": 1,
  "status": "research-extraction; adult default subject to readiness review",
  "source": {
    "id": "fao-protein-quality-2013",
    "url": "https://www.fao.org/4/i3124e/i3124e.pdf#page=38",
    "locator": "Table 5, printed page 29, PDF page 38",
    "unit": "mg amino acid per g protein",
    "verifiedAgainst": "Downloaded source text and published table; 2026-10-24"
  },
  "groups": {
    "histidine": ["1221"],
    "isoleucine": ["1212"],
    "leucine": ["1213"],
    "lysine": ["1214"],
    "sulfur": ["1215", "1216"],
    "aromatic": ["1217", "1218"],
    "threonine": ["1211"],
    "tryptophan": ["1210"],
    "valine": ["1219"]
  },
  "patterns": [
    {
      "id": "fao-2013-older-child-adolescent-adult",
      "label": "FAO 2013: older children, adolescents, and adults",
      "use": "Proposed adult composition comparison; separate from daily amino-acid requirements and PDCAAS references.",
      "values": {"histidine":16,"isoleucine":30,"leucine":61,"lysine":48,"sulfur":23,"aromatic":41,"threonine":25,"tryptophan":6.6,"valine":40}
    },
    {
      "id": "fao-2013-young-child",
      "label": "FAO 2013: 6 months to 3 years",
      "use": "Research interpretation only; child-specific recommendations are outside the initial product scope.",
      "values": {"histidine":20,"isoleucine":32,"leucine":66,"lysine":57,"sulfur":27,"aromatic":52,"threonine":31,"tryptophan":8.5,"valine":43}
    }
  ]
}