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Biology, Medicine, & Natural Product Chemistry
Published by Universitas Islam Negeri Sunan Kalijaga Yogyakarta
ISSN : -     EISSN : -     DOI : -
Core Subject : Health, Science,
Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology Public Health
BIOLOGY, MEDICINE, & NATURAL PRODUCT CHEMISTRY, this journal is published to attract and disseminate innovative and expert findings in the fields of plant, animal, and microorganism secondary metabolite, and also the effect of natural product on biological system as a reference source for researchers in these fields, and with the aim to set international standards in their methodology.
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Articles 78 Documents
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Search results for , issue "Vol 14, No 1 (2025)" : 78 Documents clear
Phytochemical, Antioxidant, and Antibacterial Activities of Stem Bark Fractions of Eucalyptus globulus Against Multidrug-Resistant Bacterial Isolates Abaka, AbdulAzeez Mumsiri; Dominic, Nazuwa; Emmanuel, Alex Yeri; Aliyu, Zayyad Dahiru
Biology, Medicine, & Natural Product Chemistry Vol 14, No 1 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.141.513-518

Abstract

The growing challenge of antimicrobial resistance (AMR) has intensified the need for alternative therapeutic agents, with medicinal plants offering promising solutions due to their bioactive compounds. This study investigated the antimicrobial and antioxidant properties of Eucalyptus globulus bark extracts against multidrug-resistant bacteria (Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus aureus). Plant samples were collected from Adamawa State Polytechnic, Nigeria, authenticated (voucher ASP-765), and subjected to reflux extraction using hexane and water. Phytochemical analysis revealed alkaloids, phenols, tannins, glycosides, and terpenoids in both methanol and aqueous extracts, while flavonoids and steroids were absent in aqueous extracts, and methanol extracts lacked saponins. Antibacterial activity was assessed through agar well diffusion and broth dilution assays, demonstrating a concentration-dependent effect. Methanol extracts showed greater efficacy against E. coli and P. aeruginosa (12.8–13.8 mm inhibition zones), while aqueous extracts were most effective against S. aureus (19.3 mm at 100 mg/mL). Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) values ranged from 25 to 50 mg/mL, with E. coli exhibiting the lowest MIC (25 mg/mL), highlighting the extract’s antimicrobial potential. The antioxidant activity was evaluated using phosphomolybdate and ferricyanide assays. The methanol extract exhibited strong free radical scavenging activity, with a total antioxidant capacity (TAC) expressed in ascorbic acid equivalents (AAE), although lower than pure ascorbic acid. Statistical validation (one-way ANOVA, p < 0.05) confirmed the significance of the results. These findings support the traditional medicinal use of E. globulus and its potential for combating antibiotic-resistant infections and oxidative stress-related conditions. Further studies are recommended to isolate bioactive compounds, determine mechanisms of action, and develop optimized therapeutic formulations for AMR management.
Antiinflammatory and Antipyretic Activities of Stem Extract and Fractions of Telfairia occidentalis in Rodents Okokon, Jude E; Osigwe, Chinyelu C.; Florence, Uwaeme Ugonma; Andrew, Ukeme Essien
Biology, Medicine, & Natural Product Chemistry Vol 14, No 1 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.141.473-479

Abstract

Telfairia occidentalis Hook (Family-Cucurbitaceae) is a vegetable employed in Ibibio traditional medicine for the treatment of various diseases such as malaria and fever among others. The stem extract of Telfairia occidentalis was investigated for antiinflammatory and antipyretic activities in rodents using various experimental models.The stem extract (200 –600 mg/kg) of T. occidentalis was investigated for antiinflammatory activity against carrageenin, egg albumin and xylene – induced edema models and antipyretic activity against D-amphetamine, 2,4-dinitrophenol and yeast-induced pyrexia models.  The extract caused a significant (p<0.05 – 0.001) dose-dependent reduction of inflammation caused by different phlogistic agents used. These effects were comparable to those of the standard drug, (ASA, 100 mg/kg) used in some cases. The extract also exerted prominent inhibition of pyrexia on amphetamine and dinitrophenol-induced pyrexia (5 h). Inhibition was significant (p<0.05–0.001) from 3 to 5 h post- administration of extract and in a dose-dependent fashion. However, the stem extract did not affect yeast-induced pyrexia in mice. The anti-inflammatory and antipyretic effects of this plant may in part be mediated through the chemical constituents of the plant. The findings of this work confirm the ethnomedical uses of this plant to treat inflammatory and febrile conditions.
Durian Seed Flour (Durio zibethinus Murr) as an Alternative Medium for Fungal Growth Afriani, Tika; Rahmi, Azimatur; Ramadhani, Putri Agiel; Rahmadaniah, Rahmadaniah
Biology, Medicine, & Natural Product Chemistry Vol 14, No 1 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.141.435-441

Abstract

This study aimed to evaluate the potential of durian seed flour (Durio zibethinus Murr) as an alternative medium for the growth of Candida albicans and Aspergillus niger. The bleaching process utilized sodium metabisulfite at varying concentrations (600 ppm, 800 ppm, 1000 ppm) and immersion durations (15, 20, 25 minutes). The bleached samples were dried at 70℃ for 3 hours. Durian seed flour media were formulated into three variants and compared with Potato Dextrose Agar (PDA) as the control medium. The activity test for Candida albicans used the pour plate method with incubation for 48 hours at 37℃, while Aspergillus niger was tested using the agar block method and incubated for 72 hours under the same conditions. Immersion duration significantly affected the flour's color, with longer durations producing whiter flour. Higher drying temperatures enhanced water evaporation efficiency, resulting in an average moisture content of 10.56%, compliant with national standards. The best medium formulation was F1 (10 g durian seed flour, 2 g sugar, 1.5 g agar, 0.25 g micronutrients, 100 mL distilled water), yielding 3.6 × 10⁷ CFU/mL of Candida albicans colonies and an Aspergillus niger growth diameter of 28.5 mm after 72 hours of incubation. However, sporulation of Aspergillus niger was better on PDA media. Durian seed flour shows potential as an alternative fungal growth medium.
Antibacterial Activity Test of Ethanol Extract Citrus Leaf Against Staphylococcus epidermidis Anindita, Reza; Sulvayanti, Hana Yelsi; Inggraini, Maulin
Biology, Medicine, & Natural Product Chemistry Vol 14, No 1 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.141.557-565

Abstract

One of the causes of acne is an increase in colonies of Staphylococcus epidermidis bacteria. One of the acne treatments that trigger bacterial resistance is the irrational use of antibiotics. Therefore, it is necessary to discover natural materials with antibacterial potential, namely orange plants. This study aims to determine the effect of single and combination of lime, kaff, lemon, and sweet leaves extract on of S. epidermidis. The treatment of this study was the concentration of orange leaf ethanol extract of 2%, 4%, and 8% with a bacteria sample of S. epidermidis. Phytochemical screening test results contain alkaloids, flavonoids, saponins, tannins, phenols, and essential oils. The results of the One-Way ANNOVA test showed a significant difference in the average diameter of the inhibition zone of orange leaf ethanol extract against the growth of S. epidermidis (Sig.<0.05). Post Hoc test showed that the effective concentration of lime leaves, kaffles, lemons, sweet oranges, and combination was 8%, while sweet oranges are the most significant treatment group in inhibiting the growth of S. epidermidis. The conclusion is that 8% sweet lime leaf ethanol extract can be used as a pharmaceutical raw material in inhibiting the growth of S. epidermidis with a strong category.
Phytochemistry, Toxicity, and Antimalaria Activity of Mangrove Plant from Muara Badak Beach, East Kalimantan, Indonesia Usman, Usman; Masruhim, Muh. Amir; Rahmadani, Agung; Erwin, Erwin
Biology, Medicine, & Natural Product Chemistry Vol 14, No 1 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.141.567-573

Abstract

This study aimed to determine the secondary metabolite content, toxicity, and antimalarial activity of methanol extracts of mangrove leaves Avicennia marina, Rhizophora mucronata, and Sonneratia caseolaris. Mangrove leaf extraction by maceration using methanol solvent, then qualitative phytochemical test (color test), toxicity test by BSLT method using Artemia salina, and antimalarial activity test using Plasmodium falciparum strain 3D7 with Giemsa staining microscopic method. The content of secondary metabolite compounds of methanol extracts of the three mangrove leaf species are alkaloids, flavonoids, saponins, phenolic compounds, steroids, triterpenoids and tannins. The toxicity of methanol extract of R. mucronata mangrove leaves against A. salina is included in the strong category. Meanwhile, the toxicity of S. caseolaris is included in the moderate category and A. marina is in the weak category. Mangrove species R. mucronata and S. caseolaris have good activity against P. falciparum 3D7 with IC50 values < 30 μg/ml, while A. marina shows poor activity against P. falciparum 3D7 with IC50 values > 50 μg/ml. Other tissue parts of these three mangrove species still need further exploration for their bioactivity against A. salina and P. falciparum 3D7.
Phytoplankton Diversity as a Water Quality Bioindicator of Mangrove Ecosystems in the Mangrove Rehabilitation and Mangrove Ecotourism Area of Merdeka Beach Serdang Bedagai Aulia, Putri; Hutasuhut, Melfa Aisyah
Biology, Medicine, & Natural Product Chemistry Vol 14, No 1 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.141.575-583

Abstract

This study investigates the diversity and composition of phytoplankton as a bioindicator of water quality in the mangrove ecosystems of Merdeka Beach, Bagan Kuala Village, Serdang Bedagai. Sampling was conducted at three sites representing long-term rehabilitation (2010–2025), recent rehabilitation (2024–2025), and mangrove ecotourism areas. Phytoplankton abundance and diversity were analyzed using ecological indices, including Shannon-Wiener Diversity Index (H’), Trophic Diatom Index (TDI), and Percentage Pollution Tolerance Value (%PTV), alongside physicochemical water parameters. Results indicate spatial variation in water quality and phytoplankton communities. Station 1 showed moderate abundance and high diversity, indicating ecological stability. Station 2 exhibited increased abundance but lower diversity, reflecting transitional conditions. Station 3 demonstrated the highest abundance and pollution-tolerant taxa, consistent with elevated nutrient levels due to human activities. TDI and %PTV values corroborated these findings, identifying Station 3 as hypertrophic and heavily polluted. These results highlight the utility of phytoplankton as sensitive indicators of environmental quality and the effectiveness of rehabilitation efforts. The integration of biotic indices and water parameters provides a robust framework for ongoing ecological monitoring and coastal management strategies, particularly in mangrove ecosystems undergoing anthropogenic pressure and restoration.
Free Radical Scavenging and Total Antioxidant Capacity of Combined Methanol Leaf Extract of Solanum americanum and Polyalthia longifolia Asadu, Chidimma Lilian; Uroko, Ikechukwu Robert; ugwu, Obiora Celestine
Biology, Medicine, & Natural Product Chemistry Vol 14, No 1 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.141.585-590

Abstract

The present investigation highlights the phytochemical composition and free radical scavenging activity of methanol leaf extract of Solanum americanum and Polyalthia longifolia. The fresh leaves of S. americanum and P. longifolia were air-dried, milled into powder and macerated into absolute methanol. The extract was subjected to phytochemical screening and in-vitro antioxidant activity which was compared with that of standard Ascorbic acid. The qualitative quantitative phytochemical screening results constitutes flavonoids (43.05 mg/g), phenols (71.93 mg/g), alkaloids (34.11 mg/g), terpenoids (18.09mg/g), saponin (5.47 mg/g) and tannins (26.17 mg/g) all of which are known for their therapeutic properties. The antioxidant activity was evaluated using the DPPH (2, 2-diphenyl-1-picrylhydrazyl), total antioxidant capacity (TAC) and FRAP (Ferric Reducing Antioxidant Power) assays, which showed significant percentage inhibition in dose dependent manner. The combined extract exhibited significant DPPH radical scavenging activity with an Ec50 value of 0.993µg/ml, highlighting their potent radical scavenging ability. Furthermore, the FRAP assay revealed a high reducing power in the highest concentration (800ug/ml) having 79.1 µMFe2+/g, suggesting effective electron donation capabilities. The total antioxidant capacity results obtained showed that the TAC for the extract was in the range of 0. 650 to 2.123 AAE (ascorbic acid equivalent) for the different concentrations used.
Cover, Editorial Board, Guidance for Authors, & Table of Contents | Vol. 14 No. 1 April 2025 Luthfi, Muhammad Ja'far
Biology, Medicine, & Natural Product Chemistry Vol 14, No 1 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.141.%p

Abstract

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