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Journal : Biomedika

INVESTIGATION OF THE ANTIBACTERIAL EFFICACY OF DERSONO WATER APPLE LEAVES (SYZYGIUM MALACCENSE) AS A SUBSTITUTE THERAPY FOR STREPTOCOCCUS PYOGENES INFECTIONS Rosyidah, Devi Usdiana; Mahmudah, Nur; Fithriyah, Sa’idatul; Sintowati, Retno
Biomedika Vol 17, No 2 (2025): Biomedika August 2025
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/biomedika.v17i2.12007

Abstract

Streptococcus pyogenes caused different illnesses, including pharyngitis and dermatological infections. The Dersono water apple leavesSyzygium malaccense) are recognized for their bioactive ingredients, which may serve as antibacterial agents. This study purpose was to determine the antibacterial potential of ethanol extract and acetone fraction of Syzygium malaccense against Streptococcus pyogenes infection. This research was a laboratory xperiment, a post-test only with control group design. Assessing growth inhibition by measuring the diameter of halo around the well of blood agar plate. Statistical tests using the Sapiro-Wilk test, Lavene test, Kruskal Wallis est and Mann-Whitney test. The study's findings demonstrated that the ethanol extract 25% (11.80 mm) and 50% (16.51) concentrations and acetone fraction of Dersono water apple leaves, at 25% (11.25 mm) and 50% (12.08) concentrations, had strong inhibitory power. The concentrations of 6.25% (8.15 mm) and 12.50% (9.63 mm), the ethanol extract's inhibitory power was superior than the concentrations of 6.25% (4.42 mm) and 12.50% (3.38 mm) acetone fraction, had moderate range. Both the ethanol extract and the acetone fraction's phytochemical analyses identified alkaloids, tannins, and saponins. The conclusion was ethanol extract and acetate fraction of Dersono water apple leaves have antibacterial effects against Streptococcus pyogenes.
Co-Authors Aji, Oetari Zakiyah Anam, Khurul Andang Saehu, Andang Anika Candrasari Audytra, Hastie Ayu, Rakyan Wening Puspa Azzahro, Fatimah A’dilah, Anis Afkar Bakhrudin All Habsy, Bakhrudin All Burhanudin Dayanti, Fifi Devi Usdiana Rosyidah Dewajani Purnomosari, Dewajani Dewi, Sri Kumala Em Sutrisna Erika Diana Risanti Erna Herawati, Erna Fadhilla, Hana Faj’riati, Nur Alfi Khoirul Fauzi, Favian Arriella Shabri Ikmal Fetrika Anggraini, Fetrika Findawan, Geofany Hargi Fithriya, Sa’idatul Fithriyah, Sa’idatul Flora Ramona Sigit Prakoeswa Gewab, Bima Tirta Pradana Ajie Habsy, Bakhrudin Al hanifah, zulfa nur Hart, A’Ang Yuanita Hendarsyah, Tantra Pratama Ifa Khoiria Ningrum Irfani, Ulfi Islahuddin, Islahuddin Jauhara Rana Budiani, Jauhara Rana Kartikasari, Dea Dwi Kartini, Alif Yuanita Kumala, Aswa Arsa Lestari, Nining Maghfiroh, Ilmi Amalia Maharani, Maisa Maya Puspitasari, Maya Meiliana, Sherin Isna Midya Yuli Amreta Muhammad Adha Mula Agung Barata Mutmainah Mutmainah N. Juni Triastuti Ningtiyas, Amelia Rizki Nurhayani nurhayani Nurhayani, N Nurjianto Putri, Ananta Nur’aini, Zulfiana Oktafiani, Falisa Panigoro, Buyung Pelangi Eka Yuwita Povitasari, P Prasetya, Landung Wahyu Putri, Erika Arista Rahamusa, Wafi Putra Ramadhani, Salsabila Putri Refsya Azanti Putri Retinovaliani, Aviolena Retno Sintowati - Riandini Aisyah Riyadi, Eka Putri Widya Arsia Rochmadina Suci Bestari Safari Wahyu Jatmiko Salsabila, Nabila Mutia Santi, Nirma Ceisa Sayekti, Nurul Cahyaning Nardi Senja, Agesti Tria Fatma Setyo Nurwaini Sinta Ningrum Sri Wahyuni Sulistyani Sulistyani Sulistyo, Ayu Indah Supraba, Intan Pratiwi Syahdiba, Natasya Maula Syamsiar, Syamsiar Tara , Irmanawati Audhina Nirmala Tri Agustina, Tri Utami, Indari Vianti, Melita Febry Wafiq, Muhammad Azzim Wahyu B, Sri Yaqin, Ahmad Ainul Yogi Prana Izza Yuda, Jalu Wira Yuliana, Nur Lutfi Yuni Prastyo Kurniati Yustina Andwi Ari Sumiwi Yuwita, Pelangi Zakki Alawi