{"topic_id":"ingredient_sweet_potato_tubers","category":"ingredient-nutrition","context":"---\ntopic_id: ingredient_sweet_potato_tubers\ncategory: ingredient-nutrition\ntitle: \"Sweet potato tubers — proximate composition (Feedipedia)\"\nlang: en\nsource: \"Feedipedia (INRAE/FAO), 'Sweet potato (Ipomoea batatas) tubers | Feedipedia' (feedipedia.org/node/745)\"\nsource_file: pdf-raw/feedipedia/ingredient_sweet_potato_tubers.txt\ndate_parsed: 2026-07-22\ntokens_estimated: 200\nverification:\n  method: substring_match\n  claims: 14\n  passed: 14\n  date: 2026-07-22\n---\n\n# Sweet potato tubers — proximate composition (Feedipedia)\n\nSource: Feedipedia (INRAE/FAO open ingredient database), page \"Sweet potato (Ipomoea batatas) tubers | Feedipedia\" (feedipedia.org/node/745). First-hand web text extracted (tags stripped) to `pdf-raw/feedipedia/ingredient_sweet_potato_tubers.txt`; composition values are verbatim from the page's proximate (\"Main analysis\") table. Units as published (% as fed / % DM / MJ/kg DM / g/kg DM). Avg/SD/Min/Max/Nb columns preserved.\n\n## Proximate composition (Main analysis)\n| Nutrient row (verbatim) |\n| --- |\n| Dry matter % as fed 30.0 3.6 23.3 37.2 136 |\n| Crude protein % DM 5.5 1.4 2.6 8.4 120 |\n| Crude fibre % DM 3.8 0.7 2.8 5.3 29 |\n| NDF % DM 11.3 2.3 9.1 15.4 6 |\n| ADF % DM 5.2 1.2 4.0 7.6 7 |\n| Ether extract % DM 1.1 0.6 0.3 2.5 12 |\n| Ash % DM 3.6 0.7 2.5 5.0 32 |\n| Starch (polarimetry) % DM 69.3 1 |\n| Total sugars % DM 9.1 1 |\n| Gross energy MJ/kg DM 17.4 * |\n| Calcium g/kg DM 1.2 0.5 0.5 2.3 28 |\n| Phosphorus g/kg DM 1.5 0.3 1.0 2.1 26 |\n| Lysine % protein 4.0 1 |\n| Methionine % protein 0.7 1 |\n\nNote: Feedipedia reports composition as Avg, SD, Min, Max, Nb (number of samples). Values are as published; interpretation is left to the API consumer.\n\nSource: `pdf-raw/feedipedia/ingredient_sweet_potato_tubers.txt` (Feedipedia node/745, 2026-07-22).\n","sources":[],"tokens_estimated":200,"generated_at":null,"tip":"Use /api/v1/topics to discover more topics. /api/v1/nutrient for precise single-point queries. /api/v1/cross_compare for 2-3 standard comparisons."}