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– Before you continue reading –

Not only do we know almost everything about kombucha, we also brew it!

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Editorial Note: This article deals with general scientific findings on kombucha and not with Kombuchery products. Scientific findings and study results are not automatically transferable to individual foods or products. The article does not replace medical or nutritional advice and is not to be understood as a health-related statement about specific foods or products.

The content is based on scientific literature, publicly available sources, and the author's assessment, and does not claim to be exhaustive. New studies may confirm, supplement, restrict, or refute existing findings. Scientific publications should therefore always be considered in the overall context of the available evidence.

Studies generally refer to the specific conditions, ingredients, microorganisms, dosages, manufacturing processes, and groups of people investigated. The presented results cannot therefore be readily transferred to other foods, recipes, manufacturing processes, or products.

No statements about the effects, properties, or health benefits of specific foods or products can be derived from the information presented.

Health-related claims for foods in the European Union are subject to the applicable legal requirements. The presentation of scientific research is therefore not to be equated with a permissible health-related claim about a food or product.

If you would like to delve deeper into a topic, we recommend consulting the scientific sources linked in the article and other independent specialist literature to gain as comprehensive an understanding as possible of the current state of research.

How to use overly sour kombucha

The step from a fermented tea drink to a delicious vinegar is really not complicated. If you've produced too much kombucha, you don't have to throw it away. With a little patience, your tea drink will turn into delicious vinegar in 4 to 10 weeks. This tastes similar to apple cider vinegar without any additional spices. Here too, there are no limits to the flavors you can create.

How is kombucha vinegar made?

First, you simply start a new batch for fermentation. How to do this in detail is explained again here for fermentation newcomers.

The tea fungus now simultaneously becomes your vinegar mother. Kombucha is made from a so-called starter liquid, tea, sugar, and with the help of a tea fungus (a symbiosis of yeasts and bacterial cultures). During fermentation, acid is produced. The longer the fermentation lasts, the more acid is produced. The added sugar ferments more and more over time. To make vinegar from it, it simply needs to ferment much longer. Since this process can extend over several weeks, you need a little more patience than with the usual fermentation of 7 to 14 days. Normally, the correct vinegar maturity is reached between 4 and 10 weeks.

When is your kombucha vinegar ready?

As with kombucha, there is no general answer. We recommend a fermentation of 4 weeks initially. Afterwards, the fine-tuning can take place. The liquid should be brought to a pH value of about 2. To do this, you can add one tablespoon of sugar every 2 weeks over a period of 6 weeks. This helps the tea fungus with fermentation and you will achieve a very acidic environment faster. In between, you can of course always taste with a small spoon whether the vinegar is palatable to you.

Refining kombucha vinegar with spices

Add even more flavor to your vinegar with spices! There are no limits to the flavors here. After refining, store the kombucha vinegar cleanly sealed and in a cool place. If fermentation is still active, pressure can continue to build up.

Possible ingredients for refining:

  • Thyme
  • Mint
  • Oregano
  • Basil
  • Garlic
  • Onions
  • Shallots
  • Lemon peel
White wooden floor linen cloth sliced lemon herbs two vessels with salt and pepper

FAQs

Can the used scoby be used for a new kombucha batch after making kombucha vinegar?

The tea fungus can then still be used for further kombucha fermentation without any problems.

How long does bottled vinegar last?

There is no general shelf life for homemade kombucha vinegar. Store it cleanly sealed and in a cool place. If you see visible mold, unusual odors, or other noticeable changes, you should no longer use it.

2 comments

    • Kombuchery
    • October 15, 2024 at 10:35 am

    Hallo Yvi,
    das geht einfach, wenn der SCOBY auch im Glas ist. Liebe Grüße!

    • Yvi
    • October 15, 2024 at 10:34 am

    Hallo!
    Wie genau ist das Zugeben von Zucker im 2 Wochen-Rhythmus gemeint? Soll der Scoby vorher abgegossen werden nach 4 Wochen und dann “gefüttert” oder noch während der Scoby drin ist?
    Vielen Dank fürs schlauer machen 😉
    LG

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¹at the time of bottling
²Vitamin C contributes to the normal function of the immune system, normal energy-yielding metabolism, and the protection of cells from oxidative stress.
  • Vitamin C contributes to the normal function of the immune system.
  • Vitamin C contributes to normal psychological function.
  • Vitamin C contributes to normal energy-yielding metabolism.
  • Vitamin C contributes to the reduction of tiredness and fatigue.
  • Vitamin C contributes to the normal functioning of the nervous system.
  • Vitamin C contributes to the protection of cells from oxidative stress.
  • Vitamin C contributes to the regeneration of the reduced form of vitamin E.
  • Vitamin C contributes to normal collagen formation for the normal function of the skin.
  • Vitamin C contributes to normal collagen formation for the normal function of blood vessels.
  • Vitamin C contributes to normal collagen formation for the normal function of bones, cartilage, teeth and gums.
  • Vitamin C increases iron absorption.