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"algorithm": "Nutri-Score",
"version": "2023 (updated algorithm)",
"source": "Eurofins referencing Santé Publique France FAQ v21.Dec.2023",
"source_url": "https://www.eurofins.de/food-analysis/other-services/nutri-score/",
"source_archived": "https://web.archive.org/web/20251215023345/https://www.eurofins.de/food-analysis/other-services/nutri-score/",
"official_reference": "Santé Publique France, FAQ Nutri-Score, version 21 Dec 2023",
"effective_date": "2024-01-01",
"implementation_date": "2026-07-31",
"categories_implemented": ["general_food", "beverages"],
"categories_not_implemented": ["fats_oils_nuts_seeds", "red_meat", "cheese"],
"reason_categories_excluded": "Insufficient data to correctly classify products into these special categories without ingredient lists or detailed product attributes",
"input_unit_conversions": {
"energy_kcal_to_kj": "energy_kj = calories_per_100g * 4.184",
"sodium_mg_to_salt_g": "salt_g = sodium_mg_per_100g * 2.5 / 1000"
},
"grade_boundaries": {
"general_food": {"A": "≤ 0", "B": "1-2", "C": "3-10", "D": "11-18", "E": "≥ 19"},
"beverages": {"A": "water only", "B": "≤ 2", "C": "3-6", "D": "7-9", "E": "≥ 10"}
},
"algorithm_contract": {
"verified_against_source": true,
"source_type": "authoritative",
"version_uncertain": false,
"notes": "Algorithm verified against Eurofins page referencing official Santé Publique France FAQ v21.Dec.2023. The GitHub implementation (food-nutrients/nutri-score) uses the PRE-2023 original algorithm and must NOT be used for threshold values."
}
}
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