Black Beans (Black Turtle)
Beans, Lentils & Pulses · 10 specs
Direct Answer
Black beans (Phaseolus vulgaris) are rich in anthocyanin antioxidants. Per 100g dry, they deliver 341 kcal, 62.4g carbohydrates (15.2g fiber), 21.6g protein, 1.42g fat, and 5.0mg iron with a low glycemic index of 30.
Source: USDA FoodData Central (FDC ID: 173735) · Last reviewed Aug 28, 2026
Specs
| Energy / Calories | 341 kcal |
| Protein | 21.6 g |
| Carbohydrates | 62.4 g |
| Dietary Fiber | 15.2 g |
| Net Carbohydrates | 47.2 g |
| Total Fat | 1.42 g |
| Iron (Non-Heme) | 5.02 mg |
| Potassium | 1483 mg |
| PDCAAS Amino Score | 0.75 |
| Glycemic Index (GI) | 30 (Low) |
Resistant Starch & Anthocyanins
The dark seed coat of black beans contains potent anthocyanins (delphinidin, petunidin, and malvidin). Fermentation of black bean soluble fiber in the colon generates short-chain fatty acids (butyrate) that support gut barrier integrity.