Journal of Tropical AgriFood
Vol 8 (2026): Special Issue 1, The 3rd International Conference on Food Technology and Nutrition (IC

Antimicrobial activity of kombucha drink made of kecombrang flowers (Etlingera elatior) towards pathogens

Raihana, Shafa' Assyifa (Unknown)
Emmawati, Aswita (Unknown)



Article Info

Publish Date
04 Jun 2026

Abstract

Kombucha is a functional drink with benefits for human health, including antimicrobial activity. It could be made from torch ginger, an Indonesian tropical plant that is known as a vegetable and ornamental plant and has antimicrobial activity against pathogens. This study aimed to determine the effect of fermentation time and sugar content of kombucha made from torch ginger flowers on antimicrobial activity against pathogens. The research was conducted with two treatments: 20, 25, and 30% (w/v) sugar addition and 7, 14, and 21 days of fermentation. The antimicrobial activity of the kombucha drink made from 12% torch ginger was evaluated using the well diffusion method. The test pathogens were Escherichia coli ATCC 11775, Bacillus cereus ATCC 11778, Staphylococcus aureus ATCC 33591, and Salmonella typhi ATCC 14028. The results showed that torch ginger kombucha with 20% sugar and fermented for 14 days significantly inhibited Staphylococcus aureus ATCC 33591 and Bacillus cereus ATCC 11778. The Minimum Inhibitory Concentration (MIC) against both pathogens was observed in 20% kombucha. Therefore, kombucha made from torch ginger has the potential to be an antimicrobial against pathogens.

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Journal Info

Abbrev

JTAF

Publisher

Subject

Agriculture, Biological Sciences & Forestry

Description

Tropical AgriFood is academic journal for research article and review in the field of agricultural technology including agricultural engineering, postharvest physiology and technology, agricultural product processing technology, food science and technology, biotechnology, nutrition, herbal, and ...