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White Onion

Vegetable
White Onion
By Foodbe.ai · July 3, 2026

🧬White onions are known for their sharp, pungent flavor, which can add a distinctive kick to various dishes. With about 40 calories per 100 grams, they are low in calories while providing prebiotic benefits that may support gut health. Additionally, their anti-inflammatory properties have been highlighted in research, suggesting that incorporating white onions into your diet could contribute to overall wellness.

🧑‍🍳In the kitchen, white onions are versatile and can be used as a base ingredient in many recipes. They caramelize beautifully, developing a sweet complexity when cooked slowly, while their sharpness can cut through richer dishes when sautéed. For best results, consider using them in both raw and cooked forms to fully appreciate their flavor profile.

🌱 Diets
ketogenicomnivorepaleopescatarianveganvegetarian
🦠 Gut health
prebiotic fodmap
😋 Flavor
pungentsharpsulfuric
♻️ Environmental Impact
🔋 Charging phone 24x🚽 1 toilet flush

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About this article

Foodbe.ai exists to inform consumers about the food they buy and eat. Every claim is cited. Sources: NIH, USDA, FDA, Smithsonian, and JSTOR. Found an error? Email us at admin@foodbe.ai to report any source or fact issues.

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Nutrition per 100g
Calories40
Protein1.1g
Fat0.1g
Sat fat0g
Fiber1.7g
Sugar4.2g
Sodium3mg
Cholesterol0mg
Iron0.2mg
Vitamin C7.4mg
Vitamin D0mcg
AllergensNo major allergens
Storage
Shelf — 6mo
Swaps
Yellow OnionRed OnionShallots