Processed eggs, explained
What liquid, frozen, dried and in-shell pasteurised eggs are, when they are useful and why the right safety advice depends on where you live.
The short answer
Pasteurisation uses controlled heat or another validated treatment to reduce harmful microorganisms while keeping the egg usable. It lowers risk, but it does not make an egg shelf-stable, remove allergens or replace correct storage and hygiene.
Five common formats
“Egg product” means egg removed from its shell and processed. It is not automatically the same thing as an egg substitute.
What it isA whole egg treated while still in its shell
Useful forRecipes needing a recognisable whole egg, including some raw or lightly cooked dishes
Check firstThe carton should explicitly say pasteurised or treated. Ordinary graded eggs are not automatically pasteurised.
What it isBlended white and yolk, usually pasteurised
Useful forScrambles, omelettes, baking and food-service batches
Check firstUse the manufacturer’s weight or volume conversion and refrigerate after opening as directed.
What it isSeparated egg component, usually pasteurised
Useful forWhites for protein portions or foams; yolks for custards, sauces and enrichment
Check firstSome liquid whites foam differently from fresh whites. Yolks may contain salt, sugar or stabilisers.
What it isWhole egg, whites or yolks frozen after processing
Useful forProfessional kitchens, manufacturing and longer storage
Check firstThaw under refrigeration. Frozen yolk products may be formulated to prevent thickening.
What it isPasteurised egg converted to powder
Useful forBaking, mixes, emergency stores and uses where low weight or long storage matters
Check firstFollow the pack’s reconstitution ratio. Keep the powder dry and use the prepared product promptly.
Practical choice
Start with how the finished food will be eaten, then check the product label and local guidance.
For mayonnaise, mousse, uncooked icing, eggnog or tasting raw batter, official guidance in many countries recommends pasteurised shell eggs or egg products.
Pregnancy, early childhood, older age and reduced immunity can change the advice. UK exceptions for qualifying eggs should not be applied to eggs sold elsewhere.
Clean, intact eggs handled and cooked according to local guidance are suitable for most everyday dishes. Pasteurisation may still be convenient, but is not a substitute for cooking.
In the kitchen
Often, but not always. Pasteurised shell eggs can generally be cooked like ordinary shell eggs. Liquid whole egg works well in mixtures, but cannot reproduce an intact yolk and white. Heat treatment, freezing, drying and added ingredients can affect foaming, thickening, colour and flavour.
For baking, use the conversion printed on the pack rather than assuming that one scoop or a fixed volume equals one egg. Check whether a yolk product contains salt or sugar before adjusting a recipe. An “egg substitute” may be an egg-based low-cholesterol product or a plant-based replacer, so read both the ingredient list and allergen declaration.
International guidance
Availability, terminology and official advice vary. These summaries are orientation, not a replacement for the authority where the food is sold.
Pasteurised egg products are available, especially through catering suppliers. Separate UK advice allows certain qualifying hen eggs, such as British Lion eggs, to be eaten raw or lightly cooked by most people, including some vulnerable groups. Other eggs require more caution.
FDA advice recommends pasteurised shell eggs or pasteurised egg products for recipes served raw or undercooked. In-shell pasteurised eggs should be labelled; refrigeration still matters.
Health Canada generally advises cooking egg dishes thoroughly and recommends pasteurised egg products for uncooked foods such as dressings, icing and eggnog, particularly for people at greater risk.
FSANZ guidance is cautious about raw and lightly cooked egg dishes, especially for vulnerable people. Pasteurised egg is the safer alternative where available; local state or territory rules may add requirements for food businesses.
Before buying or using
Official sources