The Indian Kombucha Standard

The Indian Kombucha Standard

Kombucha in India is expanding rapidly across retail and online channels, with a growing number of brands and formats entering the category. While the term “kombucha” is used broadly, products differ significantly in how they are produced, processed, and presented.

At present, there is no widely understood framework to interpret these differences. This document establishes a structured view of kombucha in the Indian market, focusing on processing methods, labelling signals, and product types. This document is evolving, representing a budding industry in-progress.

Definition

Kombucha is a fermented tea produced using a symbiotic culture of bacteria and yeast (SCOBY). During fermentation, sugars are converted into organic acids, carbonation, and microbial biomass, resulting in a beverage that is both acidic and lightly effervescent.

Following fermentation, kombucha may either be bottled in its active state or undergo additional processing. This distinction between active and processed kombucha is fundamental to understanding the category.

Processing Framework

The characteristics of kombucha are determined primarily by how it is handled after fermentation. Three primary processing approaches are observed in the Indian market.

Raw or unpasteurised kombucha is bottled without heat treatment. In this form, microbial cultures remain active, and the product continues to evolve over time. This typically requires refrigeration and results in a shorter shelf life.

Filtered kombucha undergoes post-fermentation filtration to reduce or remove microbial content. This improves clarity and stability, but may also reduce the presence of active cultures.

Pasteurised kombucha is subjected to heat treatment after fermentation. This process halts microbial activity, allowing for extended shelf life and storage at ambient temperatures.

In addition to these primary methods, secondary variations are common. Kombucha may be diluted or blended with water, juice, or flavour bases, altering its concentration. It can also be reconstituted from a pre-brewed vinegar concentration where no fermentation is required. 

Labelling in the Indian Market

Labelling practices for kombucha in India remain inconsistent. There is no standard requirement to declare whether a product has been fermented, pasteurised, filtered, or contains live cultures. As a result, commonly used terms such as “raw,” “probiotic,” and “natural” do not follow uniform definitions and may not accurately reflect processing methods. 

In the absence of standardised disclosures, certain observable characteristics can provide guidance. Products that require refrigeration and have shorter shelf lives are more likely to retain active cultures. Conversely, products that are shelf-stable over extended periods have typically undergone stabilisation. Visual cues, such as cloudiness or sediment, may also indicate ongoing fermentation, while declared kombucha percentage, when provided offers insight into product composition.

Product Classification

Based on processing and composition, kombucha in the Indian market can be understood across a set of distinct product types.

Category Processing Live Cultures Shelf Life Storage
Raw Kombucha Unpasteurised Present Short Refrigerated
Filtered Kombucha Filtered Reduced or none Medium/Long Refrigerated/Shelf-stable
Pasteurised Kombucha Heat-treated None Long Shelf-stable
Diluted Kombucha Blended Varies Varies Varies
These categories reflect differences in production approach rather than quality, and each corresponds to specific trade-offs in stability, consistency, and microbial activity.

Interpreting a Kombucha Label

Understanding a kombucha product requires reading beyond front-of-pack claims. Storage instructions, shelf life, and ingredient composition provide more reliable indicators of how the product has been processed. Where available, disclosures regarding pasteurisation, filtration, or kombucha percentage offer additional clarity.

Implications of Processing

Processing methods directly influence the fundamental characteristics of kombucha. The presence or absence of live microbial cultures is determined by whether the product remains unpasteurised. Shelf stability is closely linked to the degree of stabilisation applied, while consistency across batches is shaped by both processing and formulation.

These differences result in distinct product profiles within the category, even when all are labeled as kombucha.

Toward Greater Clarity

As the category evolves, greater transparency in labelling can support clearer understanding and more informed decision-making. Declaring processing methods, indicating the presence of live cultures, and disclosing kombucha proportion would provide a more consistent basis for comparison across products.

A shared framework benefits not only consumers, but also retailers and producers, by establishing clearer expectations within the category.

In practice, evaluating these elements together provides a more accurate understanding of the product than relying on isolated marketing terms.

A structured understanding of processing, labelling, and product types enables clearer interpretation of kombucha products in India and contributes to the development of a more transparent and well-defined category.

 

References

Greenwalt, C.J., Ledford, R.A. and Steinkraus, K.H., 2000. Kombucha, the fermented tea: microbiology, composition, and claimed health effects. Journal of Food Protection, 63(7), pp.976–981.

Jayabalan, R., Malbaša, R.V., Lončar, E.S., Vitas, J.S. and Sathishkumar, M., 2014. A review on kombucha tea—microbiology, composition, fermentation, beneficial effects, toxicity, and tea fungus. Comprehensive Reviews in Food Science and Food Safety, 13(4), pp.538–550.

Villarreal-Soto, S.A., Beaufort, S., Bouajila, J., Souchard, J.P. and Taillandier, P., 2018. Understanding kombucha tea fermentation: a review. Journal of Food Science, 83(3), pp.580–588.

Kapp, J.M. and Sumner, W., 2019. Kombucha: a systematic review of the empirical evidence of human health benefit. Annals of Epidemiology, 30, pp.66–70.

Laavanya, D., Shirkole, S. and Balasubramanian, S., 2021. Current challenges, applications and future perspectives of SCOBY cellulose of kombucha fermentation. Journal of Cleaner Production, 295, 126454.

Marsh, A.J., O’Sullivan, O., Hill, C., Ross, R.P. and Cotter, P.D., 2014. Sequence-based analysis of the bacterial and fungal compositions of multiple kombucha samples. Food Microbiology, 38, pp.171–178.

Watawana, M.I., Jayawardena, N., Gunawardhana, C.B. and Waisundara, V.Y., 2015. Enhancement of the antioxidant and starch hydrolase inhibitory activities of king coconut water (Cocos nucifera var. aurantiaca) by fermentation with kombucha culture. Journal of Food Science and Technology, 52(10), pp.6732–6740.

Dufresne, C. and Farnworth, E., 2000. Tea, kombucha, and health: a review. Food Research International, 33(6), pp.409–421.

International Scientific Association for Probiotics and Prebiotics (ISAPP), 2014. Consensus statement on the scope and appropriate use of the term probiotic. Nature Reviews Gastroenterology & Hepatology, 11(8), pp.506–514.


1 comment

  • Very informative . Something that everyone needs to know . There are a range of products, all selling under the label of kombucha , misleading the people who want to have a good probiotic drink

    Calbrew Kombucha

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