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Kefir: The Ancient Fermented Milk Beverage

kefir

By Dr. Joseph Mercola | Guest Writer

Kefir is a fermented milk beverage that has mythical origins deep in the Caucasus Mountains in Russia. The name itself is Russian in origin, and means “pleasure drink.” To create the drink, Kefir grains, a live culture composed of healthy bacteria and yeasts, are mixed with milk, causing it to ferment. Today, it is enjoyed by millions of people worldwide, and can be easily prepared in the comfort of your own home.

What Is Kefir?

Kefir is the name of the fermented milk beverage made from “kefir grains.” What’s unique about it is that no other cultured milk product uses these grains, which is a special mixture of beneficial bacteria and yeasts that provide various health benefits. These grains appear like small cauliflower florets. Note that the word “grains” should not be taken literally. It is basically the name for the live cultures of beneficial yeasts and bacteria.

The origin of these special Kefir grains has been lost and forgotten. Legends say that Kefir was originally a gift by Mohammed to the Muslim people who lived in the Caucasus Mountains, and if they were to give away the recipe, the drink would lose its power. As time went on, families passed down the grains and eventually made their way down the mountains to be used by the Russians.

In 1909, Russians started making Kefir by mixing milk and Kefir grains inside animal skin bags that were hung over the front door of their houses. Throughout the day, family members were required to shake the bag whenever they would pass by it to help improve the fermentation quality. Eventually, Kefir was mass-produced and has been a staple of the Russian diet ever since.

3 Kefir Benefits You Should Know About

Kefir is loaded with probiotics, and can provide health benefits similar to other fermented beverages, including:

Finally, the lactic acid produced by Kefir is a powerful antimicrobial agent. Studies have found that it can help eliminate pathogenic bacterial and fungal strains such as:

Salmonella Helicobacter
Shigella Staphylococcus
Proteus vulgaris Bacillus subtilis
Micrococcus luteus Listeria monocytogenes
Streptococcus pyrogenes Streptococcus faecalis
Fusarium graminearum Candida albicans

Other Kefir Uses You Can Try

There are other culinary uses for Kefir aside from being enjoyed as a beverage. Examples include:

How to Make Kefir

Making Kefir is easy and requires minimal effort. You only need the following materials to get you started:

Ingredients:

  500 millilitre Kilner jar   1 Tbsp. of Kefir grains   Grass-fed, raw milk

Procedure:

  1. Pour the Kefir grains into the jar, then add the milk until it is two-thirds full. Tightly close the lid afterwards.
  2. Let the mixture ferment at room temperature for 24 hours.
  3. Strain the Kefir into a clean container. Use a spoon to get all of the milk that is stuck at the bottom of the Kilner jar.
  4. Stir the Kefir while it is draining in the strainer until only the grains remain. Place the strained Kefir into the refrigerator and consume when ready.

Timing and Temperature Affect the Finished Product

While the procedure specifies that you should let the mixture ferment for 24 hours, this is only a suggested average. Depending on how long you let it ferment, you can get either a sweet (12 hours) or a sour flavour (48 hours).

You’re also free to experiment with the temperature. Some people like to ferment their Kefir in the refrigerator for five days to slow down the process, resulting in a thicker liquid.

Double fermentation can be done as well. It’s a method wherein you ferment the strained Kefir for 24 additional hours at room temperature once the Kefir grains have been removed.

How to Properly Store Kefir

Once you have completed straining the final Kefir product, simply place it inside the refrigerator until you’re ready to consume it. The cold temperature will help slow down the fermentation further. As an alternative, you can leave it at room temperature (double fermentation) to allow more beneficial microorganisms to multiply.

Storing the Kefir Grains and Growing Them

In the same jar you used to ferment your Kefir drink, pour enough milk until the grains are covered and place in the refrigerator. This will help slow down the fermentation process, allowing you to preserve your grains for weeks at a time.

What’s great about Kefir grains is that they are composed of living microorganisms. This means that the grains you initially purchased can grow over time, allowing you to ferment multiple jars for your entire family.

If you notice that your grains are expanding too quickly and you don’t need to create multiple jars, you can split them up and share them with your friends so they can get started on making their own Kefir as well.

Kefir Recipe: Probiotic Potato Salad

This probiotic-rich potato salad recipe from Traditional Cooking School is a great snack that can help add beneficial microbes into your system. It’s delicious, easy to make and most of all, nutritious thanks to its other ingredients.

Ingredients:

1 cup of plain, homemade Kefir 1 dozen medium-sized, organic red potatoes 1 whole organic onion
2 stalks of organic celery 1 Tbsp. lemon juice Himalayan salt
4 hard-boiled, pasture-raised eggs (optional) Diced olives (optional) Parsley or dill for garnishing
(depending on your preference)

Procedure:

  1. Mix the salt and lemon juice into the Kefir, then whisk until it achieves a salad dressing-like consistency.
  2. In a pot, add a pinch of salt into the water and boil the potatoes until they are soft. You can hard boil the eggs afterwards. Once done, let the potatoes and eggs cool and dice them.
  3. Chop the onions, celery and olives then combine them with the potatoes and eggs in a mixing bowl.
  4. Add the Kefir dressing and toss lightly so the potatoes do not become mashed.
  5. Add Himalayan salt to taste.

Kefir Nutrition Facts

Kefir contains a myriad of beneficial bacterial and yeast strains. Depending on where your Kefir grains came from, your resulting beverage may contain a combination of any of these:

Healthy Bacteria Strains

Yeast Strains

Lactobacillus (L.) acidophilus Candida humilis
L. brevis Candida Kefir
L. casei Kazachstania unispora
L. delbrueckii Kazachstania exigua
L. delbrueckii subsp. bulgaricus Kluyveromyces siamensis
L. delbrueckii subsp. lactis Kluyveromyces lactis
L. helveticus Kluyveromyces marxianus
L. kefiranofaciens Saccharomyces (S.) cerevisiae
L. Kefir S. martiniae
L. paracasei S. unisporus
L. plantarum
L. rhamnosus
L. sake
L. lactis
L. lactis subsp. cremoris
Leuconostoc mesenteroides
Leuconostoc mesenteroides subsp. cremoris
Leuconostoc mesenteroides subsp. dextranicum
Pseudomonas (P.)
P. fluorescens
P. putida
Streptococcus thermopilus

The list below provides more information on the nutritional value of kefir:

Amt. Per
Serving
% Daily
Value*
Calories 90
Calories from Fat 32

Total Fat

3.5 g 5%
Saturated Fat 2 g 10%
Trans Fat

Cholesterol

10 mg 3%

Sodium

90 mg 4%

Carbohydrates

8 g 3%
Dietary Fibber
Sugar 6 g

Protein

6 g
Vitamin A4% Vitamin C 4%
Calcium20% Iron

Kefir Nutrition Facts

Serving Size 1 serving (175 g)

*Based on a 2000 calorie diet.

Kefir Versus Yogurt: Which Is Healthier?

Kofi’s probiotics have been purported to be more beneficial than yogurt’s because not only do they have more beneficial bacteria strains, but yeasts as well. Most yogurt products and starter cultures typically have a few Lactobacilli strains. Kefir on the other hand, contains anywhere between 10 to 20 strains.

Naturally, the higher number of strains translate to a higher number of live microorganisms. It’s estimated that a half-cup of Kefir contains around 40 billion microorganisms, while yogurt only has around one billion.

If this is your first time learning about Kefir, you should definitely give it a try because the benefits are hard to pass up. But that doesn’t mean to say you should shun yogurt forever. Ideally you should get your probiotics not only from Kefir and yogurt, but from various fermented foods as well, like natto, fermented vegetables and tempeh.

If you want to give Kefir a try, it’s widely available here.

About the Author

Born and raised in the inner city of Chicago, IL, Dr. Joseph Mercola is an osteopathic physician trained in both traditional and natural medicine. Board-certified in family medicine, Dr. Mercola served as the chairman of the family medicine department at St. Alexius Medical Centre for five years, and in 2012 was granted fellowship status by the American College of Nutrition (ACN).

While in practice in the late 80s, Dr. Mercola realized the drugs he was prescribing to chronically ill patients were not working. By the early 90s, he began exploring the world of natural medicine, and soon changed the way he practiced medicine.

In 1997 Dr. Mercola founded Mercola.com, which is now routinely among the top 10 health sites on the internet. His passion is to transform the traditional medical paradigm in the United States. “The existing medical establishment is responsible for killing and permanently injuring millions of Americans… You want practical health solutions without the hype, and that’s what I offer.”

Visit Mercola.com for more information, or read Dr. Mercola’s full bio and resume here.

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