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All Journal Biodiversitas Journal of Biological Diversity
SALAMUN SALAMUN
Department of Biology, Faculty of Science and Technology, Universitas Airlangga. Jl. Dr. Ir. H. Soekarno, Surabaya 60115, East Java, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Bioprospecting of non-timber forest products of selected flora in Baluran National Park, East Java, Indonesia for phytochemicals, anti-diabetic, anti-tyrosinase, and antioxidants RICO RAMADHAN; NI’MATUZAHROH NI’MATUZAHROH; DINDA AYU LESTARI; NOVA ALFIAN HARIYANTO; SUHARTINI SUWANDARI; IRMAYANTI TRI KURNIA; PREECHA PHUWAPRAISIRISAN; MUHAMMAD IQBAL HASAN; KIETTIPUM PHONTREE; JOHAN SETIAWAN; SALAMUN SALAMUN; NANANG DWI WAHONO; AGUS SUPRIYANTO; MOCH. AFFANDI
Biodiversitas Journal of Biological Diversity Vol. 25 No. 10 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d251042

Abstract

Abstract. Ramadhan R, Ni’matuzahroh, Lestari DA, Hariyanto NA, Suwandari S, Kurnia IT, Phuwapraisirisan PP, Hasan MI, Phontree K, Setiawan J, Salamun, Wahono ND, Supriyanto A, Affandi M. 2024. Bioprospecting of non-timber forest products of selected flora in Baluran National Park, East Java, Indonesia for phytochemicals, anti-diabetic, anti-tyrosinase, and antioxidants. Biodiversitas 25: 3803-3815. The ecosystem within Baluran National Park comprises elements that exhibit varying degrees of sensitivity to environmental influences, encompassing both biotic and abiotic factors. It has been observed that identical plant species may display significant variations in their secondary metabolite content across different habitats. The primary objective of this investigation is to analyze the phytochemical composition, antioxidant properties, anti-tyrosinase effects, and anti-diabetic potential of specific flora species found in Baluran National Park. Furthermore, the research aims to identify novel natural resources with anti-diabetic and antioxidant properties among the selected flora from Baluran National Park, East Java, using chemotaxonomic and ethnopharmacological data. The study involved the qualitative and quantitative analysis of phytochemicals, along with assessing their in vitro anti-diabetic, anti-tyrosinase, and antioxidant activities through various assays such as ?-glucosidase inhibition, tyrosinase inhibition, and free radical scavenging tests (DPPH, ABTS, CUPRAC, and FRAP). The findings reveal that ethanol extracts of Euphorbia atoto demonstrated potent ?-glucosidase inhibitory activity with a percent inhibition (PI) value of 92.07±1.43%, surpassing the inhibitory effects of acarbose (25.92±1.61%) and quercetin (84.79±1.18%). Additionally, the antioxidant assessments indicated that the selected flora from Baluran National Park exhibited substantial antioxidant properties, as evidenced by their percent inhibition (PI) values. These results provide a scientific basis for considering the flora of Baluran National Park as a potential source of natural medicinal compounds.
Microbial community profiling of volcanic-affected rice soils near Mount Semeru, Lumajang, Indonesia using Next-Generation Sequencing for biofertilizer development DWI NUR RIKHMA SARI; NI'MATUZAHROH NI'MATUZAHROH; FATIMAH FATIMAH; SALAMUN SALAMUN; MOCH AFFANDI; JUNAIRIAH JUNAIRIAH
Biodiversitas Journal of Biological Diversity Vol. 26 No. 9 (2025)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d260915

Abstract

Abstract. Sari DNR, Ni’matuzahroh, Fatimah, Salamun, Affandi M, Junairiah. 2025. Microbial community profiling of volcanic-affected rice soils near Mount Semeru, Lumajang, Indonesia using Next-Generation Sequencing for biofertilizer development. Biodiversitas 26: 4424-4434. This study represents the first attempt to apply Next-Generation Sequencing (NGS) based on the 16S rRNA gene to analyze the microbial community structure in paddy soil affected by the eruption of Mount Semeru in Lumajang. This study aims to profile the microbial communities of volcanic-affected rice soils near Mount Semeru. Sequencing was conducted using ONT, with Guppy and NanoFilt for bioinformatic processing. Soil chemical analysis revealed a moisture content of 1.22%, organic carbon at 0.96%, and nitrogen at 0.1%. Available phosphorus was measured at 11 ppm, with a Cation Exchange Capacity (CEC) of 6.22 cmol(+)kg?¹. The microbial community was highly diverse, encompassing 100,046 observed species, with a Shannon-Wiener diversity index of 5.528 and estimated species richness values of 2,337.51 (Chao1) and 1,242.00 (ACE). This diversity spanned 44 phyla, 109 classes, and more than 5,000 species. The dominant phylum was Pseudomonadota (46.35% of total OTUs in the sample), with major genera including Lysobacter (5.90%) and Gaiella (4.44%). Opportunistic pathogens were also detected, underscoring the need to strengthen health and safety measures in post-eruption agricultural areas. These findings provide critical insights into the resilience of microbial communities and highlight their potential application in the development of biofertilizers and environmental biotechnology in Indonesia, offering hope for the future of agriculture in volcanic-affected areas.
Co-Authors AGUS SUPRIYANTO DINDA AYU LESTARI DWI NUR RIKHMA SARI FATIMAH FATIMAH IRMAYANTI TRI KURNIA JOHAN SETIAWAN JUNAIRIAH JUNAIRIAH KIETTIPUM PHONTREE MOCH AFFANDI MOCH. AFFANDI MUHAMMAD IQBAL HASAN NANANG DWI WAHONO NI'MATUZAHROH NI'MATUZAHROH NI’MATUZAHROH NI’MATUZAHROH NOVA ALFIAN HARIYANTO PREECHA PHUWAPRAISIRISAN RICO RAMADHAN SUHARTINI SUWANDARI