Sweet yellow onion

Sweet yellow onion

Vegetable

Item Rating: 83/100

1 serving (100 grams) contains 40 calories, 1.1 grams of protein, 0.1 grams of fat, and 9.3 grams of carbohydrates.

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59.7
calories
1.6
protein
13.9
carbohydrates
0.1
fat

Nutrition Information

1 cup (149.3g)
Calories
59.7
% Daily Value*
Total Fat 0.1 g 0%
Saturated Fat 0.0 g 0%
Polyunsaturated Fat 0 g
Cholesterol 0 mg 0%
Sodium 6.0 mg 0%
Total Carbohydrates 13.9 g 5%
Dietary Fiber 2.5 g 8%
Sugars 6.3 g
protein 1.6 g 3%
Vitamin D 0 mcg 0%
Calcium 34.3 mg 2%
Iron 0.3 mg 1%
Potassium 217.9 mg 4%

* 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

🍯 Low sugar
🧂 Low sodium
🧂 Low salt
🍞 Low carbs

Source of Calories

88.4%
10.2%
1.4%
Fat: 0 cal (1.4%)
Protein: 6 cal (10.2%)
Carbs: 55 cal (88.4%)

About Sweet yellow onion

Sweet yellow onions are a variety of onion known for their mild and slightly sweet flavor, making them popular in numerous cuisines, including American, French, and Mediterranean. Their golden-brown skin and juicy white interior make them an excellent choice for caramelizing, grilling, or enhancing salads and soups. Sweet yellow onions are low in calories yet nutrient-dense, primarily composed of carbohydrates, water, and fiber. They are a good source of vitamin C, B6, and manganese, along with phytonutrients such as quercetin and sulfur compounds, which contribute to their health benefits. Originating from regions like the Mediterranean and Asia, they have been cultivated worldwide for centuries and are prized for their culinary versatility and subtle sweetness, particularly enjoyed raw or lightly cooked.

Health Benefits

  • Supports immune health through vitamin C, which helps protect cells from oxidative stress and boosts immune function.
  • Promotes heart health due to quercetin, a natural antioxidant that can reduce inflammation and lower blood pressure.
  • Improves digestion thanks to dietary fiber that supports gut health and regular bowel movements.

Dietary Considerations

Allergens: None known
Suitable for: Vegan, vegetarian, gluten-free, paleo, low-carb
Not suitable for: Low-fodmap

Selection and Storage

Store whole sweet yellow onions in a cool, dry, well-ventilated space; avoid moisture to prevent spoiling. Once cut, refrigerate in an airtight container for up to 7 days.

Common Questions About Sweet yellow onion Nutrition

Is sweet yellow onion high in protein or calories?

Sweet yellow onions are low in both protein and calories. A medium-sized onion (about 110 grams) contains roughly 1 gram of protein and only 44 calories, making it a low-calorie and nutritious addition to meals.

Can I eat sweet yellow onion on a keto or low-carb diet?

Yes, sweet yellow onions can fit into a keto or low-carb diet in moderation. They contain about 10 grams of total carbohydrates per medium onion, with 1.9 grams being fiber, resulting in approximately 8.1 grams of net carbs.

What are the health benefits of sweet yellow onion?

Sweet yellow onions are rich in antioxidants, particularly quercetin, which supports heart health and reduces inflammation. They also provide small amounts of vitamin C and manganese, which help with immune function and bone health. However, those prone to digestive issues may experience discomfort due to their sulfur compounds.

What is the recommended portion size for sweet yellow onion?

A typical serving size for sweet yellow onion is half a medium onion (about 55 grams). This portion provides roughly 22 calories, 5 grams of carbohydrates, and 1 gram of fiber, making it an ideal quantity for enhancing flavor without adding excessive calories or carbs.

How does sweet yellow onion compare to white or red onions in terms of flavor and nutrition?

Sweet yellow onions are milder and less pungent than white or red onions, making them ideal for raw dishes like salads. Nutritionally, all onion types have similar calorie and carbohydrate content, but sweet yellow onions typically have slightly higher natural sugar content, giving them their characteristic sweetness.

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.

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.