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Phytochemical Screening and Antibacterial Activity of Methanol Extracts of Indigofera tinctoria Arini Rajab; Andi Gita Tenri Sumpala; M. Yasser; Subakir Salnus
Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences Vol. 5 No. 4 (2026): MIPA dan dan Pendidikan lingkup MIPA
Publisher : Pusat Studi Bahasa dan Publikasi Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53696/venn.v5i4.479

Abstract

This study aims to identify the secondary metabolite content and evaluate the antibacterial potential of the methanol extract of Indigofera tinctoria leaves. The research was conducted using an exploratory laboratory approach, which involved several key stages sample preparation, ultrasound-assisted extraction with methanol, phytochemical screening, and antibacterial activity testing by the agar disk diffusion method. Phytochemical screening used specific reagents, such as iron (III) chloride, Wagner’s, Dragendorff’s, and Liebermann-Burchard reagents to detect secondary metabolites. The results of the phytochemical analysis showed that the analysis revealed that the methanol extract of Indigofera tinctoria contains various bioactive compounds, including flavonoids, alkaloids, and steroids. Antibacterial activity testing showed the extract inhibited the growth of both gram-positive and gram-negative bacteria. Notably, the extract exhibited the greatest effectiviness against gram-positive bacteria, with the highest inhibition zone recorded in Bacillus subtilis (19.45 mm), followed by Staphylococcus aureus (17.30 mm), Escherichia coli (15.55 mm) and the lowest in Salmonella typhi (8.80 mm). The results suggest that the methanol extract of Indigofera tinctoria leaves processes significant antibacterial activity, particularly against gram-possitive bacteria, and highlight its potential as a source of natural antibacterial agents for future pharmaceutical applications. Further research, including in vivo studies and the isolation of individual compounds, is recommended to understand better the mechanisms involved and to assess the safety and efficacy of Indigofera tinctoria as a therapeutic agent.
Pemberdayaan ibu PKK melalui inovasi VCO dan nata de coco di Desa Pataro Kecamatan Herlang Kabupaten Bulukumba Netti Herawati; Muhammad Rakib; Muhammad Nur Alam; Subakir Salnus; Vika Puji Cahyani
Abdimas Toddopuli: Jurnal Pengabdian Pada Masyarakat Vol. 8 No. 1 (2026): Volume 8, No 1, Desember 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/4ksy0r78

Abstract

Desa Pataro, Kecamatan Herlang, Kabupaten Bulukumba memiliki komoditas kelapa yang belum dimanfaatkan secara optimal oleh kelompok mitra. Kegiatan pengabdian ini bertujuan meningkatkan kapasitas Kelompok PKK Desa Pataro dalam mengolah daging dan air kelapa menjadi produk bernilai tambah berupa virgin coconut oil (VCO) dan nata de coco, sekaligus memperkuat pengemasan, pelabelan, dan pengelolaan usaha. Program dilaksanakan selama delapan bulan pada tahun 2026 dengan melibatkan 20 peserta melalui tahapan sosialisasi, pelatihan dan praktik langsung, penerapan teknologi sederhana, pendampingan pengemasan dan pemasaran, serta evaluasi menggunakan pre-test, post-test, observasi, dan rekap indikator keberdayaan. Seluruh peserta mengikuti rangkaian pelatihan dan pendampingan. Mitra mampu mempraktikkan proses pembuatan VCO dan nata de coco serta menerapkan kemasan dan label produk. Skor rata-rata pengetahuan meningkat dari 40 pada pre-test menjadi 89 pada post-test. Rekap indikator program juga menunjukkan peningkatan level pengetahuan dan keterampilan pengolahan kelapa dari sekitar 20% menjadi 95%. Hasil ini menunjukkan bahwa transfer teknologi yang dipadukan dengan pendampingan manajerial dapat meningkatkan kapasitas teknis dan kesiapan usaha kelompok perempuan berbasis sumber daya lokal. Keberlanjutan program memerlukan standardisasi mutu produk, legalitas, dan pemantauan usaha secara berkala.