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Nur Afifah, Diana
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Biochemistry, Genetics & Molecular Biology Health Professions Immunology & microbiology Nursing Public Health

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Antibacterial Potential of Curcuma Mangga Kombucha: The Effect of Fermentation Duration on Activity Against Escherichia coli and Salmonella typhi Ratna, Ratna; Anjani, Gemala; Nur Afifah, Diana; Ayustaningwarno, Fitriyono; Rustanti, Ninik
Medical Laboratory Technology Journal Vol. 11 No. 1 (2025): June
Publisher : Poltekkes Kemenkes Banjarmasin Jurusan Analis Kesehatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31964/mltj.v11i1.636

Abstract

Kombucha is a fermented beverage known for its various health benefits, including antibacterial activity. This study aims to evaluate the antibacterial potential of mango ginger (Curcuma mangga)-based kombucha against Escherichia coli and Salmonella typhi, as well as to analyze the effect of fermentation duration on the physicochemical properties of kombucha. Fermentation was conducted for 5, 7, 10, and 14 days, with total acidity, pH, and antibacterial activity measurements using the well diffusion method. The results showed total acidity increased as fermentation progressed, while pH decreased. Antibacterial tests demonstrated that mango ginger kombucha exhibited inhibitory activity against Escherichia coli and Salmonella typhi, with the largest inhibition zones observed on day 10 of fermentation (8.2 mm for Escherichia coli and 9.2 mm for Salmonella typhi). Although its inhibitory effect was moderate compared to the positive control (ciprofloxacin), these findings suggest the potential of mango ginger kombucha as a functional beverage with antibacterial properties. Further research is needed to identify the active compounds responsible for its antimicrobial activity and to optimize the fermentation process to enhance its effectiveness.
The Effect of Jeruju Leaf Brew (Acanthus ilicifolius L) on HOMA-IR and TNF-α in White Rats Induce by STZ-NA Majdiyyah, Munifa; Chairina, Ade; Nur Afifah, Diana; Syauqy, Ahmad
Medical Laboratory Technology Journal Vol. 11 No. 1 (2025): June
Publisher : Poltekkes Kemenkes Banjarmasin Jurusan Analis Kesehatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31964/mltj.v11i1.648

Abstract

The International Diabetes Federation (IDF) has reported a consistent global rise in the prevalence of type 2 diabetes mellitus (T2DM). Conventional T2DM treatments such as metformin, sulfonylureas, and insulin therapy are effective. Still, they can lead to side effects, including gastrointestinal disturbances, hypoglycemia, renal impairment, weight gain, and complications associated with injection procedures. The herbal remedies are considered a natural alternative with fewer adverse effects. Acanthus ilicifolius (Jeruju) contains antioxidant compounds such as flavonoids, alkaloids, and saponins and may serve as a complementary therapy. This study investigated the effect of jeruju leaf brew at 6 ml/kg/day and 12 ml/kg/day on tumor necrosis factor alpha (TNF-α) and homeostatic model assessment of insulin resistance (HOMA-IR) levels. Using a true experiment with a randomized post-test only with a control group design, 30 rats were divided into five groups (K0, K−, K+, P1, and P2). After 28 days of intervention, groups P1 and P2 showed significant reductions in TNF-α (7.80 pg/ml and 6.94 pg/ml, respectively) and HOMA-IR (3.75 and 3.28, respectively). These findings indicate that a higher dose of jeruju leaf brew results in greater reductions in TNF-α and HOMA-IR levels in T2DM rats.
Co-Authors Ahmad Syauqy Anjani, Gemala Chairina, Ade Fitriyono Ayustaningwarno Majdiyyah, Munifa Ninik Rustanti Ratna Ratna