Canadian Fermented Foods Initiative

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Canadian Fermented Foods Initiative

A national effort to explore and advance the role of fermented foods in health and food systems.

Funded by the Weston Family Foundation, led by academic experts from Western University & Lawson Research, U of Calgary and U of Alberta!

09/01/2026

🍹 CAN FERMENTED FOODS CONTAIN ALCOHOL?

Yes — some can.

Alcohol (ethanol) can be naturally produced when yeasts ferment sugars. This means that fermented beverages such as kombucha and kefir may contain small amounts of alcohol even when they are not intended to be alcoholic.

Here’s what to know 👇

🍹 LOW LEVELS CAN OCCUR NATURALLY
Kombucha, kefir and other fermented beverages can contain low levels of alcohol as a normal by-product of fermentation.

⏳ ALCOHOL LEVELS CAN CHANGE
If live yeasts remain active, fermentation can continue after bottling. Alcohol levels can therefore increase during storage and distribution, particularly if products are not properly refrigerated.

🏠 HOME FERMENTATION REQUIRES EXTRA ATTENTION
Alcohol levels can be more variable in homemade and artisanal products because fermentation conditions may be less tightly controlled.

🏷️ LABELLING MATTERS
In Canada, beverages containing 1.1% alcohol by volume (ABV) or more are required to declare their alcohol content on the label.

⚠️ SOME PEOPLE SHOULD BE PARTICULARLY CAUTIOUS
Even low levels of alcohol may be relevant for pregnant individuals, children, and others who need or choose to avoid alcohol.

THE TAKEAWAY
Understanding how a product is made, stored and labelled matters — especially for fermented beverages where alcohol can continue to develop over time.

Better consumer education, monitoring and labelling approaches can help people make informed choices.

08/28/2026

🇨🇦 WHAT 4,045 CANADIANS TOLD US ABOUT FERMENTED FOODS

We’re excited to share a new publication, providing new insights into how Canadians consume, perceive, and understand fermented foods.

Despite growing interest in fermented foods and their potential health benefits, we have had limited national data on how these foods fit within the Canadian diet. To help address this gap, we surveyed 4,045 adults across Canada, examining fermented food consumption, motivations, perceptions, and knowledge.

WHY IS THIS IMPORTANT?
Health Canada’s Evidence Review Cycle for dietary guidance considers not only evidence on food and health, but also its relevance within the Canadian context—including consumption patterns, food literacy, behaviours, attitudes, and beliefs.

This study helps provide that population-level context for fermented foods.

As the clinical evidence on fermented foods continues to develop, understanding their place within the Canadian diet will also be important for informing future research, knowledge translation, dietary guidance, and public health strategies.

A sincere thank you to everyone involved in making this national study possible, and to the Weston Family Foundation for its continued support of CFFI.

📄 Read the publication: https://onlinelibrary.wiley.com/doi/10.1002/fsn3.72287

08/12/2026

Find recipes to get started at https://fermentedfoods.ca/fermented-foods-recipes/ 🧑‍🍳

07/31/2026

Why and when is salt needed?

Salt plays an important role during fermentation. It helps create the right environment for beneficial microbes to grow while limiting the growth of unwanted microorganisms, contributing to both food safety and quality.

Salt is one of the most important factors in successful vegetable fermentation.

When vegetables are mixed with the appropriate amount of salt, it:

🦠 Selects for beneficial microorganisms. Salt inhibits many spoilage and pathogenic microorganisms while allowing salt-tolerant lactic acid bacteria to become the dominant microbes.

📉 Reduces water activity. By drawing water out of plant tissues through osmosis, salt lowers water activity, making the environment less favourable for undesirable microorganisms.

🥬 Supports natural brine formation. The released water forms a brine that keeps vegetables submerged, limiting oxygen exposure and promoting the anaerobic conditions preferred by lactic acid bacteria.

🥒 Maintains texture. Salt slows the activity of plant enzymes that soften vegetables, helping fermented vegetables remain crisp throughout fermentation.

As lactic acid bacteria metabolize the natural sugars in vegetables, they produce organic acids that lower the pH. Together, the appropriate salt concentration and acidification create a stable fermentation that helps preserve the food while contributing to its characteristic flavour and texture.

💡 Different vegetables contain different amounts of water and natural sugars, so the ideal salt concentration can vary. Following tested recipes and measuring salt by weight rather than volume helps produce more consistent and safer fermentation results.

Reference:
Microbiology and Technology of Fermented Foods. 2nd ed. Wiley-Blackwell; 2018. ISBN: 978-1-119-02744-7

07/29/2026

🧂 Should you avoid fermented foods because of their salt content?

Not necessarily.

Salt (or sodium) content varies widely across fermented foods. Some products—such as certain kimchi, sauerkraut, and fermented vegetables—can contribute meaningful amounts of sodium to the diet, while others, including yogurt, kefir, and many fermented beverages, are naturally low in sodium.

Current evidence does not support avoiding fermented foods as a category based on sodium content alone. Rather than focusing on a single nutrient, fermented foods should be considered in the context of their overall nutritional composition, food matrix, level of processing, and their role within an overall healthy dietary pattern.

👩‍⚕️ If you have high blood pressure, kidney disease, heart failure, or another medical condition that requires limiting sodium, speak with your healthcare provider or a registered dietitian. They can help you choose fermented foods that fit your individual health needs.

👀Additionally reading the Nutrition Facts table can help you compare sodium content across fermented food products, as sodium levels can vary considerably between brands and food types.

The good news? Researchers are actively developing lower-sodium fermentation methods that maintain food safety, quality, and flavour, making fermented foods even more accessible to a wider range of consumers.

As our understanding of fermented foods continues to grow, recommendations should consider the whole food, not just a single nutrient.

06/27/2026

🦠🌍 Happy World Microbiome Day!

The microbiome is all around us—and within us. From helping us digest food and supporting our immune system to protecting pollinators and influencing fermentation, microbes play remarkable roles in our daily lives.

Over the past few weeks, we've introduced some of the incredible MSc students exploring these hidden microbial worlds. Now it's your turn!

🧠 How much do you know about the microbiome?
Swipe through our quiz and see how many you can get right!

Share with others to spread the knowledge :)

06/26/2026

Today we're meeting 𝗦𝗮𝗺𝗮𝗻𝘁𝗵𝗮 𝗧𝗮𝗽𝗽𝗶𝗻𝗴!

Samantha studies how food-grade acetate compounds found in apple cider vinegar affect bacterial communities in the human gut. 🍎🔬

Swipe to learn why understanding these interactions could help us develop new ways to support a healthy microbiome.

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The countdown is on for World Microbiome Day 2026, check out the events page and hook on to an event close to you.

Or, even better, create your own microbiome event – get together in the classroom, lab or research group and think about how you and your team can put microbes into the spotlight.

https://worldmicrobiomeday.com/events/

06/25/2026

🐝 Did you know that bacteria can affect the health of honey bees, one of our most important pollinators?

Meet 𝗝𝘂𝗹𝗶𝗮 𝗟𝗮𝗰𝗶𝗸𝗮, MSc Candidate!

Julia studies European foulbrood, a disease that affects honey bee larvae, and investigates how different microbes may contribute to disease progression.

Swipe to learn more about the hidden microbial world inside a beehive!

06/24/2026

Today we're meeting Andreas Parashos!

Andreas studies how gut bacteria and the molecules they produce influence the body's ability to generate energy and communicate with different organs.

Swipe to discover why does this matter and to learn a new gut microbiome fact 👀

Stay tuned for more as we count down to World Microbiome Day!

06/23/2026

Meet 𝗥𝗮𝗰𝗵𝗲𝗹 𝗥𝗲𝗴𝗶𝗲𝗿, soon to be graduating MSc Student!

Rachel studies bacteriophages (or phages)—viruses that naturally target and kill bacteria.

👉 Swipe to learn why this research matters and discover a microbiome myth Rachel would like to bust.

Address

London, ON
N5V TO N6P

Website

https://fermentedfoods.ca/

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