PREMIUM WHITE ONIONS (Allium cape L.)
White onions are particularly valued in Nigerian cuisine for their digestibility and subtle flavor profile. They contain high levels of vitamin C, folate, and fiber while being lower in certain compounds that can cause gastrointestinal distress in sensitive individuals. Their lighter color indicates lower anthocyanin content compared to red onions, but they still provide significant quercetin and other antioxidants.
Premium White Onions are perfect for fresh salads, salsas, garnishes, and quick-cooking applications where a milder onion flavor is desired. They are also preferred for pickling and in dishes where appearance matters, as they don't discolor other ingredients.
Nutritional Components (Per 100g raw white onion)
Energy: 36-40 kcal
Protein: 1.0-1.2g
Fat: 0g
Carbohydrates: 8-9g
Dietary Fiber: 1.0-1.5g
Sugars: 4-5g
Vitamin C: 7-10mg
Folate (B9): 19-25µg
Potassium: 120-146mg
Phosphorus: 20-30mg
Zinc: 0.2-0.3mg
Quercetin: Present
(Antioxidant)
Anthocyanins: Minimal
(Lower than red varieties)
Sulfur Compounds: Present
Key Benefits: Higher digestibility compared to red onions—ideal for people with IBS or sensitive stomachs. Good source of vitamin C for immune support. Contains folate for cell growth and metabolism. Provides quercetin and other antioxidants for heart health and inflammation reduction. Low in calories and fat-free. Natural antibacterial properties support immune function.
Storage Instructions
Store in a cool, dry, well-ventilated place away from direct sunlight
Shelf life: 2-3 months when properly stored
Temperature: Ideal storage at 0-4°C (refrigerator) for extended freshness; room temperature (15-20°C) acceptable for short-term
Humidity: Keep low (65-70% relative humidity) to prevent sprouting and rot
Ventilation: Essential—onions need air circulation; never store in sealed plastic bags
Separation: Store away from potatoes (onions cause potatoes to sprout)
Packaging: Mesh bags, paper bags, or ventilated containers preferred
Signs of spoilage: Soft spots, mold, sprouting, or strong acrid smell—remove affected onions immediately to prevent spread
Pre-cut onions: Refrigerate in airtight containers; use within 7-10 days
Freezing: Chop and freeze for up to 8 months (texture changes but flavor remains)