An onion is a bulbous vegetable known for its strong flavor and aroma, commonly used in various cuisines worldwide. It belongs to the Allium genus, which also includes garlic, leeks, and shallots. Onions are available in different types, including yellow, red, and white, each offering unique flavors and culinary applications.
Culinary uses of onions range from raw applications in salads and salsas to caramelizing for depth of flavor in soups, stews, and sauces. They can be sautéed, roasted, grilled, or pickled, making them a versatile ingredient for many dishes. Understanding how to cook onion properly enhances their natural sweetness and reduces their sharpness, allowing for a more balanced flavor in recipes.
Regarding onion nutrition, onions are low in calories and a source of vitamins C and B6, along with dietary fiber. They contain various antioxidants that contribute to overall health. Onions also provide a modest amount of minerals such as manganese and potassium.
When storing onions, it is best to keep them in a cool, dark, and dry location to avoid sprouting and spoilage. Avoid refrigerating whole onions, as this can affect their texture and flavor. Properly stored, onions can last for several weeks to months, depending on the type.
| Energy | |
| Calories 40kcal | 2% |
| Protein | |
| Protein 0.83g | 1% |
| Carbohydrates | |
| Carbohydrates 9g | 2% |
| Fiber 1.90g | 5% |
| Sugar 6g | 6% |
| Fat | |
| Fat 0.05g | 0% |
| Saturated 0.04g | 0% |
| Cholesterol 0.00mg | - |
| Vitamins | |
| Vitamin A 0.00ug | 0% |
| Choline 6mg | 1% |
| Vitamin B1 0.05mg | 4% |
| Vitamin B2 0.03mg | 2% |
| Vitamin B3 0.12mg | 1% |
| Vitamin B6 0.12mg | 7% |
| Vitamin B9 20ug | 5% |
| Vitamin B12 0.00ug | 0% |
| Vitamin C 8mg | 9% |
| Vitamin E 0.02mg | 0% |
| Vitamin K 0.40ug | 0% |
| Minerals | |
| Calcium, Ca 16mg | 1% |
| Copper, Cu 0.04mg | 4% |
| Iron, Fe 0.28mg | 3% |
| Magnesium, Mg 9mg | 2% |
| Phosphorus, P 33mg | 3% |
| Potassium, K 180mg | 5% |
| Selenium, Se 0.00ug | 0% |
| Sodium, Na 1.00mg | 0% |
| Zinc, Zn 0.20mg | 2% |
| Water | |
| Water 90g | - |
| * Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. | |
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