#136 of 138 in Vegetable · scored 64/100
Prairie turnip (tipsin) is a starchy root vegetable traditionally cultivated by Indigenous peoples of North America, offering substantial fiber and resistant starch with minimal fat content.
19.4 g net carbs after fiber.
Representative amounts for this food, not measured for this item. Real content varies widely by variety, ripeness and storage.
These are the scored components, not a sum: the published score also reflects normalisation across the catalog, so the parts above will not add to 64.
Prairie turnip, scientifically known as Apios americana or Pediomelum esculentum depending on regional variety, is a nutrient-dense tuber with deep cultural significance among Great Plains and Eastern Woodland tribes. Despite being categorized within oils & fats group due to database classification, prairie turnip is predominantly a complex carbohydrate source with exceptional fiber density (7.2g per 100g), supporting digestive health and metabolic stability. The tuber contains resistant starch, which functions as a prebiotic, feeding beneficial gut bacteria and promoting short-chain fatty acid production linked to longevity markers. Rich in mineral density—particularly potassium (108mg), calcium (103mg), and magnesium (49mg)—prairie turnip supports bone health, cardiovascular function, and mineral homeostasis critical for aging populations. The presence of manganese and iron supports enzyme function and oxygen transport. Traditional preparation methods like slow cooking or roasting may enhance bioavailability of minerals while preserving the fiber matrix. Prairie turnip's low glycemic impact combined with high satiety makes it valuable for metabolic health and sustained energy, supporting healthy aging through improved insulin sensitivity and microbiota diversity.
Resistant starch functions as a prebiotic substrate, selectively feeding beneficial bacteria (Faecalibacterium, Roseburia) that produce butyrate, enhancing intestinal barrier integrity and reducing systemic inflammation
High fiber content (7.2g/100g) and resistant starch slow gastric emptying and reduce glucose spike, improving insulin sensitivity and reducing postprandial blood sugar fluctuations
Synergistic calcium (103mg), magnesium (49mg), and phosphorus (20mg) content provides structural cofactors for bone matrix formation and mineral crystallization
High potassium content (108mg) supports vascular endothelial function, reduces arterial stiffness, and helps maintain healthy blood pressure through natriuretic peptide signaling
Manganese (0.209mg) is essential for superoxide dismutase (SOD) function, a primary mitochondrial antioxidant protecting against oxidative stress associated with aging
Prairie turnip's high resistant starch and fiber content are optimally processed during active digestion windows; midday consumption allows sustained energy release supporting afternoon metabolic function and prevents evening digestive burden
Breaks a fast
Not suitable for fasting periods due to carbohydrate content; excellent as a staple component of regular meals for metabolic stability