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Wulansari, Silvi ayu
Akademi Farmasi Surabaya
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Journal : Biota

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Antibacterial Potention and pH Analysis of Kombucha with Anna Apple (Malus domestica) Peel as Its Substrate Lestari, Kinanti Ayu Puji; Wulansari, Silvi Ayu
Biota Vol 15 No 1 (2022)
Publisher : Universitas Islam Negeri Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/jb.v15i1.363

Abstract

This study aimed to determine the antibacterial abilities of Kombucha with Anna apple peel as the substrate. This study was conducted on the antibacterial assay of Kombucha with the formulation of 10g (formulation A), 15g (formulation B), and 20g (formulation C) apple peels. Each formulation then made three different test concentrations of an antibacterial test by the Kirby Bauer method. There was a decrease in the pH value measured before and after fermentation of kombucha apple peel due to the production of acetic acid formed from metabolic activity between bacteria and yeast as a culture of kombucha beverage. The results of the antibacterial test showed that all of the test concentrations could inhibit the growth of the test bacteria until they were in the category of medium and high inhibition. The largest diameter of the inhibition zone was shown by formula C with a concentration of 100% (17 mm). The diameter of the inhibition zone is directly proportional to the amount of apple peel contained in the formula and the concentration of the sample being tested.
Co-Authors Anidnya, Widya Dara Anindya, Widya Dara Aryani, Ni Luh Dewi Bawanda, Edward Melfin Devianti, Vika Ayu Evy Aryanti Eziah Ika Lubada Fatma Ariska Trisnawati Galuh Gondo Kusumo Kinanti Ayu Puji Lestari Kinanti Lestari Lailatus Sa’diyah Permatasari, Silfiana Nisa Ramadhan Renaisansa Ririn Sumiyani Romadhona, Eliza Stepani Sa'diyah, Lailatus Sa’diyah, Lailatus Sa’diyah, Lailatus Selvyronica Eka Agustine Siti Nurhaliza Surahmaida, Surahmaida Syukrianto Syukrianto Syukrianto Syukrianto, Syukrianto Umarudin, Umarudin Yuliarni, Floreta Fiska