Journal
IRANIAN JOURNAL OF FISHERIES SCIENCES
Volume 21, Issue 5, Pages 1141-1155Publisher
IRANIAN FISHERIES SCIENCE RESEARCH INST-IFSRI
DOI: 10.22092/ijfs.2022.127710
Keywords
Marine sponge; Extraction; natural compounds; Dibutyl phthalate; Dioctyl phthalate; Antibacterial activity; Antifungal activity; Larak Island
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Marine sponges, such as Haliclona (Soestella) caerulea, provide diverse natural products with potential antimicrobial and antifungal activities. This study investigated the derivatives of phthalates extracted from H. (Soestella) caerulea for their antimicrobial and antifungal properties. The results showed that the phthalates exhibited significant activity against pathogenic bacteria and fungi, suggesting the potential of H. (Soestella) caerulea as a source for novel antimicrobial agents.
Marines are unique resource that provides a diverse array of natural products, primarily from invertebrates such as sponge. As infectious diseases evolve and develop resistance to existing pharmaceuticals, these ecosystems provide novel leads against microbial, cancer, and viral diseases. The purpose of this study is to investigate antimicrobial and antifungal activities of derivatives of phthalates extracted from Haliclona (Soestella) caerulea on some pathogenic organisms. Sponge samples from Larak Island were collected by divers at a depth of 10 meters. After that, marine sponge extract collection was done by chloroform-methanol extraction as a solvent and through chromatography column and nuclear magnetic resonance (NMR) spectroscopy on the sponge sample, components of dioctyl phthalate (DOTP) and dibutyl phthalate (DBP) were purified and identified. Anti-microbial and antifungal activity of extracted components were investigated by means of bacterial broth dilution method and microdilution broth method and minimum inhibitor concentration (MIC), minimum bactericide concentration (MBC), and minimum fungal concentration (MFC) were determined. The results indicated that DOTP of H. (Soestella) caerulea was active on Bacillus subtilis, Bacillus cereus bacteria. MBC values of DOTP were determined as 2000 mu g/m. DBP of H. (Soestella) caerulea was active on gram positive bacteria. MBC values of DOTP were determined as 1000 mu g/m for B. cereus and Staphylococcus aureus and 500 mu g/mL for B. subtilis. MFC values of DOTP and DBP were determined as 1000 mu g/m and 2000 for Candida albicans. Hence it is assumed that the sponge Haliclona (Soestella) caerulea exhibited high antimicrobial activity.
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