1 serving (110 grams) contains 44 calories, 1.2 grams of protein, 0.1 grams of fat, and 10.3 grams of carbohydrates.
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Nutrition Information
Calories |
88 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 0.2 g | 0% | |
| Saturated Fat | 0.0 g | 0% | |
| Polyunsaturated Fat | 0 g | ||
| Cholesterol | 0 mg | 0% | |
| Sodium | 8.8 mg | 0% | |
| Total Carbohydrates | 20.5 g | 7% | |
| Dietary Fiber | 3.7 g | 13% | |
| Sugars | 9.3 g | ||
| protein | 2.4 g | 4% | |
| Vitamin D | 0 mcg | 0% | |
| Calcium | 50.6 mg | 3% | |
| Iron | 0.5 mg | 2% | |
| Potassium | 321.2 mg | 6% | |
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Food Attributes
Source of Calories
About Yellow onion
Yellow onions are a versatile vegetable that originated in Central Asia and have become a staple in numerous cuisines worldwide, particularly in European, Asian, and Mediterranean dishes. Known for their mild yet slightly sweet flavor when cooked, yellow onions are an essential ingredient for soups, stews, sauces, and roasts. Nutritionally, they are low in calories (approximately 40 calories per 100 grams) and provide a good source of vitamin C, vitamin B6, manganese, and antioxidants such as quercetin, which offers potential health benefits. They are also composed of about 89% water and contain dietary fiber, making them beneficial for hydration and digestion. Yellow onions are a nutrient-dense and flavorful choice in any diet.
Health Benefits
- Rich in vitamin C, which supports a healthy immune system and acts as a powerful antioxidant.
- High in quercetin, an antioxidant that helps reduce inflammation and promotes heart health.
- Provides dietary fiber, which supports digestive health and can aid in maintaining a healthy gut microbiome.
- Contains small amounts of manganese, essential for bone health and metabolism.
- May help regulate blood sugar levels due to bioactive compounds like sulfur-containing compounds.
Dietary Considerations
Selection and Storage
Store whole yellow onions in a cool, dark, and well-ventilated place; avoid refrigeration to prevent spoilage. Once cut, store in an airtight container in the refrigerator and use within 7-10 days.
Common Questions About Yellow onion Nutrition
Is yellow onion high in protein?
Yellow onion is not high in protein; it contains approximately 1 gram of protein per 100 grams. Its primary macronutrient is carbohydrates, making it more suited for energy rather than as a protein source.
Can I eat yellow onion on a keto diet?
Yes, yellow onion can be consumed in moderation on a keto diet. It contains about 9 grams of carbohydrates per 100 grams, with 1.7 grams of fiber, resulting in a net carb count of approximately 7.3 grams. Use it sparingly to stay within keto carb limits.
What are the health benefits of yellow onion?
Yellow onions are rich in antioxidants like quercetin and sulfur compounds, supporting heart health and reducing inflammation. They also contain small amounts of vitamin C for immune support, but should be consumed in moderation to avoid digestive discomfort for sensitive individuals.
What is the recommended serving size for yellow onion?
A typical serving size of yellow onion is about 1/2 cup (approximately 58 grams), which contains roughly 26 calories, 6 grams of carbohydrates, and 1 gram of fiber. This is an ideal portion for most recipes without overloading on carbs.
How does yellow onion compare to red onion in flavor and nutrition?
Yellow onions have a stronger, more pungent flavor compared to red onions, which are milder and slightly sweet. Nutritionally, both types are similar, but red onions contain slightly more antioxidants like anthocyanins due to their vibrant color.
Data Sources & Scientific References
Our nutrition data comes from trusted, authoritative sources to ensure accuracy and reliability. Below are specific scientific references and authoritative sources for this food item.
- Dietary Flavonoids and Health EffectsNational Institutes of Health (NIH) - PubMedResearch highlighting onion as a source of flavonoids like quercetin, with potential antioxidant and anti-inflammatory benefits.
Additional Authoritative Sources:
Daily value percentages based on FDA guidelines. Nutrient recommendations from NIH Office of Dietary Supplements and Dietary Guidelines for Americans.
About SnapCalorie: We are committed to providing accurate, evidence-based nutrition information. Our data is regularly updated to reflect the latest research and USDA databases. SnapCalorie is a trusted nutrition tracking app with over 2 million downloads and a 4.8/5 star rating.
