Product Overview
White onion is a widely cultivated onion variety valued for its crisp texture, sharp flavor, and versatility in culinary applications. It is an important commodity in retail, food service, and food processing sectors. White onions are commonly used in fresh preparations, cooking, and traditional cuisines worldwide.
Key Characteristics
White onions are medium to large-sized bulbs with bright white flesh and thin, papery white outer skin. They have a crisp texture and a sharper, more pungent flavor than yellow onions, while remaining milder than some specialty onion varieties. White onions are non-climacteric and do not continue to ripen after harvest.
Nutritional Value
White onions are low in calories and provide vitamin C, dietary fiber, folate, and potassium. They also contain antioxidants and sulfur compounds that contribute to their characteristic flavor and aroma.
Seasonality and Origin
White onions are grown in temperate and subtropical regions and are available year-round through domestic production and storage programs. Major producing countries include the United States, Mexico, China, India, and Spain.
Common Applications
• Fresh salsas and salads
• Mexican cuisine
• Soups and stews
• Grilling and roasting
• Sandwiches and burgers
• Food processing applications
Storage and Handling
Proper handling is essential to maintain quality and shelf life.
• Recommended storage temperature: 32°F to 36°F
• Relative humidity: 65–70%
• Shelf life: 1–3 months under optimal conditions
• Store in a cool, dry, well-ventilated area
• Avoid excessive moisture accumulation
• Protect from direct sunlight
• Handle carefully to prevent bruising and skin damage
Origin and Background
White onions have been cultivated for centuries and are widely grown throughout the world. They are especially popular in Latin American, Mexican, and Southwestern cuisines due to their clean, sharp flavor and crisp texture. Modern cultivation focuses on bulb uniformity, storage performance, and flavor quality.
Grades and Quality Standards
Extra Fancy Grade
• Uniform size and shape
• Clean white outer skin
• Firm bulbs free from sprouting and defects
Fancy Grade
• Slight variations in size and appearance
• Minor cosmetic imperfections allowed
• Suitable for retail distribution
Commercial / Processing Grade
• Visible defects permitted
• Maintains internal quality
• Used for foodservice, processing, and bulk culinary applications.