Green beans offer a crisp texture and mild flavor while delivering a range of vitamins, minerals, and antioxidants. Understanding FDA green bean nutrition facts helps you compare fresh, frozen, and canned options to meet daily dietary goals.
These beans are low in calories yet nutrient dense, making them a practical choice for balanced meals. The following sections break down key nutrients, bioactive compounds, and practical tips for maximizing nutritional value.
| Portion | Key Nutrients | Approximate Amount | % Daily Value* |
|---|---|---|---|
| 1 cup raw, whole green beans | Calories | 31 kcal | ~2% |
| 1 cup raw, whole green beans | Protein | 2.7 g | ~5% |
| 1 cup raw, whole green beans | Total Carbohydrate | 7.0 g | ~2% |
| 1 cup raw, whole green beans | Dietary Fiber | 3.0 g | ~11% |
| 1 cup raw, whole green beans | Total Sugars | 1.4 g | n/a |
| 1 cup raw, whole green beans | Fat | 0.3 g | |
| 1 cup raw, whole green beans | Sodium | 6 mg | |
| 1 cup raw, whole green beans | Vitamin K | 89 µg | ~74% |
| 1 cup raw, whole green beans | Vitamin C | 18 mg | ~20% |
| 1 cup raw, whole green beans | Folate | 61 µg | ~15% |
| 1 cup raw, whole green beans | Iron | 1.4 mg | ~8% |
| 1 cup raw, whole green beans | Magnesium | 26 mg | ~6% |
| 1 cup raw, whole green beans | Potassium | 240 mg | ~5% |
Raw Versus Cooked Green Bean Nutrition
Impact of Cooking on Nutrients
Cooking methods affect water-soluble vitamins and antioxidant levels in green beans. Steaming and quick blanching typically preserve folate and vitamin C better than prolonged boiling. Sauteing or roasting can concentrate flavor while maintaining most minerals.
Micronutrient Profile in Detail
Vitamins and Minerals Breakdown
Vitamin K in green beans supports bone health and blood clotting, while vitamin C contributes to immune function and collagen synthesis. Folate is essential for DNA synthesis and particularly important during periods of rapid cell division. Iron and magnesium further support energy metabolism and muscle function.
Antioxidants and Phytochemicals
Polyphenols and Carotenoids
Green beans contain flavonoids, phenolic acids, and carotenoids that act as antioxidants. These compounds may help reduce oxidative stress and support cellular health. Including a variety of colored beans can enhance overall antioxidant intake.
Practical Tips for Maximizing Nutrition
- Choose fresh beans with firm texture and vibrant color for peak nutrient density.
- Steam or quickly blanch green beans to preserve vitamin C and folate.
- Pair green beans with a source of healthy fat to support absorption of fat-soluble vitamins.
- Rinse canned beans to lower sodium while keeping fiber and minerals.
- Include a variety of colored vegetables to broaden your antioxidant profile.
FAQ
Reader questions
How do cooking methods change the nutrient levels in green beans?
Boiling can reduce water-soluble vitamins like vitamin C and folate, while steaming and quick blanching better preserve these nutrients. Minerals remain largely stable across methods, and roasting or sauteing can develop flavor without significant nutrient loss when done briefly.
Are canned green beans as nutritious as fresh ones?
Canned green beans retain most minerals and fiber, but some vitamin C and folate may decline due to heat processing and storage. Rinsing canned beans can reduce sodium content if sodium intake is a concern.
Do green beans contain anti-nutrients that affect mineral absorption? Green beans have small amounts of phytic acid, which can slightly reduce mineral absorption. Regular varied intake and proper cooking typically minimize this effect, making green beans a valuable part of a balanced diet. What portion size fits within daily calorie and nutrient goals?
A one cup serving of raw green beans provides around 30 calories and a notable amount of vitamin K and fiber. This portion fits easily into most eating plans while contributing meaningful nutrients.