Vegetables · per 100g
Characterized by their vibrant magenta skin and mild, sweet-sharp profile, red onions provide a versatile culinary base while offering a higher concentration of protective pigments than their white or yellow counterparts.
Total Flavonoids, Sum of Polyphenols
Total Flavonoids, Sum of Polyphenols
Available carbohydrates, Thiamin (Vitamin B1)
Vitamin C, Folate
Nutritional summary
Interesting fact
The deep red-purple colour of these onions comes from anthocyanins, the same class of pigments found in blueberries and raspberries.
Standout nutrients
Total Flavonoids
Sum of Polyphenols
Water
Cadmium
Seasonality
Diet
Sustainability
Onions have a very low carbon footprint and minimal water requirements compared to most vegetables.
Storage
Cool Dark Place
1–3 months
Store in a well-ventilated area away from potatoes.
Refrigerate
3–5 days
Applies once the onion has been cut; store in an airtight container.
Flavour
Harmonized from 5 validated sources
Claim citations
4