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All Journal Biodiversitas Journal of Biological Diversity
NI’MATUZAHROH NI’MATUZAHROH
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.
Potential of antimicrobial-producing endophytic bacteria from Balikpapan endemic ginger (Etlingera balikpapanensis A.D. Poulsen) FATIMAH FATIMAH; LILLAH ASRITAFRIHA; SYARIFAH SALSABILA; ERNA KRISTIANA DEWI; NI’MATUZAHROH NI’MATUZAHROH; ALMANDO GERALDI; RICO RAMADHAN; HERY SUWITO; ARRIZAL RAHMAN; LUKMAN RIYADI
Biodiversitas Journal of Biological Diversity Vol. 25 No. 9 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d250922

Abstract

Abstract. Fatimah, Asritafriha L, Salsabila S, Dewi EK, Ni’matuzahroh, Geraldi A, Ramadhan R, Suwito H, Rahman A, Riyadi L. 2024. Potential of antimicrobial-producing endophytic bacteria from Balikpapan endemic ginger (Etlingera balikpapanensis A.D. Poulsen). Biodiversitas 25: 3005-3013. Etlingera balikpapanensis A.D. Poulsen is a new species of the Zingiberaceae family, which was discovered as an endemic species in the Balikpapan, Kalimantan. This study aimed to isolate endophytic bacteria from endemic Balikpapan ginger (E. balikpapanensis) and evaluate its antimicrobial activity against Escherichia coli, Staphylococcus aureus, and Candida albicans and to identify the most promising antimicrobial isolates. Plant samples include roots, stems, and leaves. The process of isolating bacteria from various plant parts, such as roots, stems, and leaves, involved repeated subculturing until pure isolates were obtained. Seven pure isolates were successfully obtained, coded as 6D, 5R, 2R, 3D1, 10D, 4R2, and 2D. Macroscopic, microscopic, and biochemical characterization of the seven isolates was carried out. The seven endophytic bacteria had varied macroscopic characteristics and were Gram-positive. The disc diffusion method was used to determine the ability of isolates to produce antimicrobial agents. The isolates showed antibacterial activity against E. coli and S. aureus. Isolates 3D1 and 5R showed the highest antibacterial activity against E. coli (8.20±0.47 mm and 8.57±0.08 mm), and 5R also showed the highest antibacterial activity against S. aureus (8.14±0.49 mm). These results demonstrate the potential of these isolates as effective antimicrobial agents. The 16S rRNA gene analysis revealed that isolate 3D1 was identified as Bacillus cereus strain PJA4.2 and isolate 5R as Micrococcus luteus strain SGAir0127 with similarity of 99.55% and 100%, respectively.
Co-Authors AGUS SUPRIYANTO ALMANDO GERALDI ARRIZAL RAHMAN DINDA AYU LESTARI ERNA KRISTIANA DEWI FATIMAH FATIMAH HERY SUWITO IRMAYANTI TRI KURNIA JOHAN SETIAWAN KIETTIPUM PHONTREE LILLAH ASRITAFRIHA LUKMAN RIYADI MOCH. AFFANDI MUHAMMAD IQBAL HASAN NANANG DWI WAHONO NOVA ALFIAN HARIYANTO PREECHA PHUWAPRAISIRISAN RICO RAMADHAN SALAMUN SALAMUN SUHARTINI SUWANDARI SYARIFAH SALSABILA