Ingredients · Condiments and seasoning
Mayonnaise
How long it keeps
About 3 months unopened
Source: FoodKeeper (USDA), 350 Mayonnaise, commercial, 3–6 Months · https://catalog.data.gov/dataset/fsis-foodkeeper-data
What ends it. Unopened it keeps for a long time. The clock that matters starts when you open it. How to make it last longer
Storage
Cool, dark. The one most people assume they cannot have without a fridge. USDA FoodKeeper says commercial shelf-stable mayonnaise is safe at room temperature after opening, and that refrigeration is a quality matter rather than a safety one.
The pack
- Typical UK size
- 400 g
- Weight packed
- 470 g
- Volume
- 460 ml
Computed from net weight and standard pack geometry, not weighed. Manufacturers publish net weight and nobody publishes packed weight or displaced volume, so this is an estimate and is labelled as one.
Per 100 g
Deliberately narrow. These are the five things a long-life diet actually gets wrong, plus energy and protein. It is not a general nutrition model and is not meant to be.
- Energy
- 686 kcal
- Protein
- 1.1 g
- Fibre
- 0 g
- Vitamin C
- 0 mg
- Vitamin A
- 78 µg
- Omega-3
- 5.83 g
- Sodium
- 131 mg
Source: CoFID 2021, 17-654 Mayonnaise, standard, retail