What Are Sulphites and Sulphite Sensitivity

September 6, 2017 ,

Sulphites are one of the top 10 allergens identified by Health Canada. They also have a bad reputation…. They’re blamed for a plethora of problems, from migraines to allergic reactions. But what’s the real situation? Allow me to share what sulphites really are, how to identify them in foods, as well as a solution for those who need to avoid them.

Healthy Meal Plans from SOSCuisine

Sulphites… What are they?

Basically, sulphite are substances that are naturally present in certain foods. They can also be added to foods as a preservative. They preserve the color of some foods (such as deli meats) and to prevent the growth of bacteria and fungus, thereby delaying the expiry date.

Does everyone need to avoid them?

Unless you are allergic or intolerant, there is no reason why you would need to completely eliminate sulphites from your diet. You wouldn’t avoid nuts if you weren’t allergic, it’s the same principle. Of course, if you eat nothing but deli meats and wine (two foods that contain sulphites), you would certainly benefit from varying your diet.

Sensitivity or allergy?

Despite being in the list of top allergens in Canada, people who are sensitive are said to be intolerant to sulphites.

So, why are they classed as an allergen?
allergie-allergy

According to Health Canada, sulphites are one of the principal allergens because they can cause reaction similar to those caused by allergies (breathing difficulties, skin reactions, nausea, etc.)

Those who have a negative reaction after eating a food or product containing sulphites will benefit from removing them from their diet. However, it’s good to know that the sulphite content can vary greatly depending on the food (and the brand). It can therefore be interesting to do a few tests with small amounts of sulphite-containing foods before deciding whether to completely eliminate them from your diet.

READ MORE » Common Allergies: Nuts, Fish and Seafood, Sesame
READ MORE » Common Food Allergies: Peanuts, Wheat, and Milk
READ MORE » Common Allergies: Mustard, Eggs, Soy

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Author

Jef L'Ecuyer
Member of the Quebec College of Dietitians (ODNQ) and Dietitians of Canada,Jef graduated from McGill University in December 2014. Recently graduated and passionate about culinary arts, Jef poses a simple, effective and practical look at daily meal planning. With this in mind, she works in conjunction with the mission of SOSCuisine...

2 comments to “What Are Sulphites and Sulphite Sensitivity”

April 27, 2023 Diane Brault said:

Are there many sulphites in a glass of wine

Cinzia Cuneo
April 27, 2023 Cinzia Cuneo said:

Hello Diane,
Sulfite content varies a lot from one wine to the other. Most wines average about 80 PPM, red wine typically containing fewer sulfites than white wine or dessert wines. For perspective, dried fruits typically contain 1000 PPM of sulfite.

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