Celery
This includes celery stalks, leaves, seeds and the root called celeriac. You can find celery in celery salt, salads, some meat products, soups and stock cubes.
Cereals containing gluten
Wheat (such as spelt and Khorasan wheat/Kamut), rye, barley and oats are often found in foods containing flour, such as baking powder, batter, breadcrumbs, bread, cakes, couscous, meat products, pasta, pastry, sauces, soups and fried foods dusted with flour.
Crustaceans
Crabs, lobster, prawns and scampi are crustaceans. Shrimp paste, often used in Thai and south‑east Asian curries or salads, is an ingredient to look out for.
Eggs
Eggs are often found in cakes, some meat products, mayonnaise, mousses, pasta, quiche, sauces and pastries or foods brushed or glazed with egg.
Fish
You will find this in some fish sauces, pizzas, relishes, salad dressings, stock cubes and Worcestershire sauce.
Lupin
Lupin flour and seeds can be used in some types of bread, pastries and pasta.
Milk
Milk is common in butter, cheese, cream, milk powders and yoghurt. It can also be found in foods brushed or glazed with milk, and in powdered soups and sauces.
Molluscs
Includes mussels, land snails, squid and whelks, also found in oyster sauce or fish stews.
Mustard
Liquid mustard, mustard powder and seeds are used in breads, curries, marinades, meat products, salad dressings, sauces and soups.
Nuts (tree nuts)
Tree nuts like cashews, almonds and hazelnuts appear in breads, biscuits, crackers, desserts, nut powders, stir‑fried dishes, ice cream, marzipan, nut oils and sauces.
Peanuts
Peanuts are legumes and often used in biscuits, cakes, curries, desserts, sauces (such as satay), and peanut oil or flour.
Sesame seeds
Commonly found in breads, breadsticks, houmous, sesame oil and tahini, sometimes toasted in salads.
Soya
Found in tofu, soya flour, edamame, miso paste, and vegetarian products. Also used in sauces, desserts, and ice cream.
Sulphur dioxide (sulphites)
Used in dried fruits like raisins and apricots, meat products, soft drinks, and wine. People with asthma are more sensitive to sulphites.
