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Morphological Diversity of Endophytic Bacteria Peppermint (Mentha Piperita L.) Rangga Ardiansyah; Sartika Wati Dwi Sapitri; Muhammad Naufal Dzakwan; Nisa Muhammad Thalib; Monika Thamara; Lia Putri Maharani; Risky Hadi Wibowo; Sipriyadi Sipriyadi; Welly Darwis
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 4: Jurnal Pembelajaran Dan Biologi Nukleus December 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i4.6683

Abstract

Background: The peppermint plant (Mentha piperita L.) is a type of medicinal plant that is widely found in temperate regions, especially Europe, North America and Africa. This plant contains essential oils, menthol, and menthone, menthafuran, sesquiterpenes, triterpenes, flavonoids, carotenoids, tannins and various minerals are also widely contained in peppermint leaf oil (M. piperita L.). The purpose of this study was to isolate and determine the morphological diversity of endophytic bacteria from peppermint plants (M. piperita L.). Methodology: The method used in this study is to take isolation samples, pure culture, characterization and gram staining to determine whether it includes gram-negative or positive bacteria. The results of the study of 12 cultures of endophytic bacterial isolates from plants (M. piperita L.) were taken 10 isolates from each different culture media. Findings: The results of morphological observations of bacterial colonies show diverse characteristics in terms of surface, appearan, ceelevation, edges, and colour. Gram Staining Test of Endophytic Bacterial Isolates from the roots, leaves, and stems of mint plants against endophytic bacteria showed that there were gram-positive and gram-negative bacterial isolates. Then the results of bacterial cell shape morphology have a diversity of Cocobacil, Coccus, and Bacil forms so it can be concluded that endophytic bacterial isolates from peppermint plants (M. piperita L.) have varied morphological diversity. Contribution: Data on the morphological diversity of endophytic bacteria from M. piperita L. provides important basic data for further research on the potential of M. piperita L. endophytic bacteria
Akselerasi Ekonomi Kreatif Masyarakat Desa Barumanis, Kecamatan Bermani Ulu, Kabupaten Rejang Lebong, Bengkulu: Pelatihan Pengolahan Sampah Organik Berbasis Budidaya Maggot (Black Soldier Fly/BSF) Risky Hadi Wibowo; Welly Darwis; Helmiyetti; Sipriyadi; Anggun Sasmita; Raul Fadhilon; Rangga Ardiansyah; Uci Cahlia; Riziq Ilham Nurfahmi
KENDURI : Jurnal Pengabdian dan Pemberdayaan Masyarakat Vol. 6 No. 2 (2026): May-August
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/kenduri.v6i2.2666

Abstract

Barumanis Village, located in Bermani Ulu District, Rejang Lebong Regency, Bengkulu Province, has considerable horticultural agricultural potential, particularly in the production of fruits and vegetables. Intensive agricultural activities generate large amounts of organic waste that have not been optimally managed, leading to environmental pollution, unpleasant odors, and the proliferation of disease vectors. One environmentally friendly and economically valuable alternative for managing organic waste is the cultivation of Black Soldier Fly (BSF) larvae (Hermetia illucens). This community service program aimed to enhance the knowledge and practical skills of local residents in utilizing organic waste as a substrate for BSF larvae cultivation, thereby supporting the development of community-based creative economic activities. The program was implemented in three stages: (1) educational outreach on the characteristics, benefits, and cultivation techniques of BSF larvae; (2) demonstrations and hands-on training in organic waste management and BSF cultivation; and (3) evaluation and monitoring using pre-test and post-test instruments. The results demonstrated a significant improvement in participants' understanding of the benefits of BSF larvae, cultivation techniques, and their potential application as a sustainable solution for organic waste management and an alternative source of household income. Evaluation results indicated that participants who initially had limited knowledge of BSF cultivation showed marked improvement, as reflected by higher post-test scores compared to pre-test scores. This program is expected to encourage the implementation of sustainable organic waste management practices while improving community welfare through the development of BSF cultivation enterprises based on local resources.