Fermented Foods: Exploring Their Nutritional Power

Nutritionist Vasundhara Agrawal
Diet & Nutrition
Published in
4 min readAug 16, 2024

Do you know fermented foods contain lots of secret health benefits? People primarily used fermentation to preserve foods, extend shelf life, and improve taste. Over time, fermented foods have become an important part of the diet in many cultures, and scientists have gradually discovered that fermentation is associated with many health benefits. This article shows nutritional values of fermented foods and gives some dietary recommendations for their incorporation in your diet.

Fermentation process involves allowing food to break down naturally by microorganisms like bacteria and yeast, which creates lactic acid and preserves the food. Fermentation also promotes the growth of beneficial bacteria, known as probiotics. Examples of fermented foods and drinks are yoghurt, kefir, Sauerkraut, kimchi, miso, tempeh, and kombucha. All these foods undergo a change that not only helps preserve these foods but increases their nutritional value.

Nutritional Value of Fermented Foods

  1. Probiotics and Gut Health: One of the most significant advantages of fermented foods is that they are very dense in probiotics. Probiotics are live bacteria that are beneficial to gut health. With a sufficient intake of probiotics from fermented foods in the diet, gut flora will remain at a healthy balance, which is vital for good digestion and immune function by promoting better absorption of nutrients. The two leading sources are yogurt and kefir, offering Lactobacillus and Bifidobacterium strains. These probiotics show specific benefits to digestion.
  2. Better Nutrient Absorption: For example, fermentation can enhance nutrient bioavailability. During fermentation process, antinutrients in cereals and legumes, and inhibitors of iron and zinc absorption, are degraded. Hence, fermented foods more easily absorbed and utilised by the human body than non-fermented foods. Miso and tempeh are excellent examples of how fermentation enhances nutritional value in plant-based foods when prepared using fermented soybean grains.
  3. Rich in Vitamins: It gives a good supply of vitamins, mainly vitamin B and K. B vitamins are important for the process of energy production, proper functioning of the brain, and formation of red blood cells. Vitamin K is needed for blood clotting and bone health. Fermented cabbage products, such as sauerkraut and kimchi, are rich in both vitamins C and K and at the same time they are proven to have great taste and health benefits.
  4. Antioxidant Activity: Some sourdough products have been shown to increase their antioxidant activity. Antioxidants fight against free radicals which is considered to be one of the causes of chronic diseases and aging processes. Fermented vegetables like kimchi are rich in antioxidants and other bioactive compounds that bring anti-inflammatory or anti-carcinogenic effects.
  5. Digestibility: Through fermentation, complex carbohydrates, proteins, and fats are shifted into more easily digestible forms. This can be particularly helpful for people who have problems with digestion or have food intolerance. For example, individuals who are lactose intolerant find that they can digest yogurt and kefir more easily (because some of the lactose is already broken down during fermentation) than nonfermented milk products.
  6. Support Immune Function: Including a range of fermented foods in your diet support immune function and reduce the risk of infection. In some extend beneficial gut bacteria, in the form of probiotic, are useful in reducing upper respiratory infections.

Dietary Recommendations

Pep up your nutrient intake by adding fermented foods to your diet. Here are tips on how you should include these foods in your daily meals:

  1. Through Breakfast: Yogurt or kefir can be added in mornings to start your day with probiotic. Finish it off with fresh fruits, nuts, and seeds for a balanced and nutritious meal.
  2. Add to Salads and Meals: Add fermented veggies like sauerkraut or kimchi into your salads or sandwiches, or serve as a side dish. These tangy and flavourful additions can enhance the taste and boost the nutritional value of every meal.
  3. Snack on Fermented Foods: Include ****miso soup in your diet. It is a classic Japanese comfort food, made with fermented soybean paste. Another way you can take advantage of the benefits of fermented soybean is through tempeh, which is a fermented soybean product, rich in protein and it can be added in stir-fries, salads, and sandwiches.
  4. Sip on Fermented Beverages: Add fermented beverages like kombucha in your diet. This fermented tea is refreshing and full of probiotics. You can enjoy it for midday pick-me-up.
  5. Fermented Condiments: Include fermented condiments in pickles, fermented hot sauces, and miso which enhance nutrition in many dishes.

Fermented foods are more than a culinary trend. Actually, they represent a time-tested way to enhance the nutritional quality in our diets. By incorporating a variety of fermented foods into your daily meals, you can enjoy their unique flavours while incorporating the numerous health benefits they offer. Whether you’re new to fermented foods or an established fan, there is always something to learn about fermentation.

Reference

https://www.bbcgoodfood.com/howto/guide/health-benefits-of-fermenting

https://www.healthline.com/nutrition/fermentation

https://www.tandfonline.com/doi/abs/10.1080/10408398.2017.1383355

https://www.webmd.com/diet/ss/slideshow-benefits-fermented-foods

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