Ulfa, Erlina (2025) PENGARUH ANTIBAKTERI SEDIAAN GEL PEEL-OFF EKSTRAK KULIT BUAH MANGGIS DAN DAUN BINAHONG TERHADAP DAYA HAMBAT BAKTERI Staphylococcus epidermidis. Diploma thesis, UIN RADEN INTAN LAMPUNG.
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Abstract
ABSTRAK Penggunaan antibiotik topikal secara berlebihan dapat menimbulkan resistensi, sehingga diperlukan alternatif pengobatan berbasis bahan alam. Kulit buah manggis diketahui mengandung senyawa bioaktif seperti xanton, flavonoid, tanin, dan saponin yang berfungsi sebagai antibakteri, namun pada penelitian terdahulu menghasilkan zona hambat berkategori lemah. Daun binahong mengandung senyawa flavonoid, saponin, tanin, dan alkaloid yang bersifat antiinflamasi dan lebih aman bagi kulit, namun pada penelitian terdahulu menghasilkan zona hambat berkategori lemah. Kombinasi keduanya diharapkan dapat meningkatkan aktivitas antibakteri. Penelitian ini bertujuan untuk mengetahui pengaruh komposisi antibakteri sediaan gel peel-off ekstrak kulit buah manggis (Garcinia mangostana L.) dan daun binahong (Anredera cordifolia (Ten.) Steenis) terhadap daya hambat bakteri Staphylococcus epidermidis, salah satu bakteri penyebab jerawat (acne vulgaris). Penelitian ini menggunakan metode eksperimental Rancangan Acak Lengkap dengan tiga kali pengulangan. Uji aktivitas antibakteri dilakukan menggunakan metode difusi sumuran dengan variasi konsentrasi perbandingan ekstrak. Hasil penelitian menunjukkan bahwa kombinasi ekstrak kulit buah manggis dan daun binahong dalam sediaan gel peel-off berpengaruh signifikan terhadap daya hambat Staphylococcus epidermidis. Perbandingan ekstrak yang menghasilkan zona hambat paling besar terdapat pada formula F4 dengan konsentrasi kulit buah manggis 75% dan daun binahong 25% dengan zona hambat 5,8 mm kategori sedang. Kata Kunci : Antibakteri, Daun Binahong, Gel peel-off, Kulit buah manggis, Staphylococcus epidermidis ii ABSTRACT Excessive use of topical antibiotics can lead to resistance, necessitating alternative treatments based on natural ingredients. Mangosteen peel is known to contain bioactive compounds such as xanthones, flavonoids, tannins, and saponins, which function as antibacterials. However, previous studies have shown weak inhibition zones. Binahong leaves contain flavonoids, saponins, hydrolyzed tannins, and alkaloids, which have anti-inflammatory properties and are safer for the skin. However, previous studies have shown weak inhibition zones. The combination of the two is expected to enhance antibacterial activity. This study aimed to determine the effect of the antibacterial composition of a peel-off gel preparation made from mangosteen peel (Garcinia mangostana L.) and binahong leaf (Anredera cordifolia (Ten.) Steenis) extracts on the inhibitory activity of Staphylococcus epidermidis, one of the bacteria that causes acne (acne vulgaris). This study used a completely randomized design with three replications. Antibacterial activity testing was conducted using the well diffusion method with varying extract concentrations. The results showed that the combination of mangosteen peel extract and binahong leaf extract in a peel-off gel preparation significantly inhibited Staphylococcus epidermidis. The best extract ratio, producing the largest inhibition zone, was found in formula F4, with a concentration of 75% mangosteen peel and 25% binahong leaf, with an inhibition zone of 5.8 mm medium category. Keywords : Antibacterial, Binahong Leaf, Mangosteen Peel, Peel-off Gel, Staphylococcus epidermidis
| Item Type: | Thesis (Diploma) |
|---|---|
| Subjects: | Pendidikan Biologi |
| Divisions: | Fakultas Tarbiyah dan Keguruan > Pendidikan Biologi |
| Depositing User: | LAYANAN PERPUSTAKAAN UINRIL REFERENSI |
| Date Deposited: | 09 Sep 2025 07:46 |
| Last Modified: | 09 Sep 2025 07:46 |
| URI: | https://repository.radenintan.ac.id/id/eprint/40081 |
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