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Abstract
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Antimicrobial resistance is one of the concerns of medical sciences today. One way to counter the coming crisis is to find antibacterial combinations from unicellular organisms, plants and animals to examine the possibility of using them instead of the common antibiotics. The objective of this research is to examine the biological combinations of the antibacterial make-up of plants, animals, and algae while taking into consideration the quality of their being native to Persian gulf’s coasts. In this research, the hydroalcoholic extract . of Terminalia catappa and Laurencia obtuse has been extracted through the Maceration method. The purple ink of Persian Gulf’s sea hare—Aplysia dactylomela—has been extracted and used in a raw ink. Antibacterial test has been conducted through the disc diffusion method, minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), and measured with the serial dilution method. The results were examined with SPSS software and the statistical method of ANOVA. The greatest inhibitory halo appeared in a concentration of 400 milligrams in one millimeter in all treatments. As for the juice of Terminalia catappa and Y.ruckeri bacteria, the inhibitory area was reported to be 17.54±/54 millimeters, MIC was reported to be 25 milligrams in one milliliter and MBC was 50 milligrams in one milliliter. For the S.iniae bacteria, the inhibitory zone was reported to be 14.5±/55 millimeters, MIC was 25 milligrams in one milliliter, and MBC was 50 milligrams in one millilitre. For V. Harvey bacteria, the inhibitory zone was reported to be 13.7±/42 millimeters, the MIC was 50 milligrams in one millimeter and the MBC was 100 milligrams in one millilitre. As for the laurencia obtuse alga, the inhibitory zone for Y.ruckeri bacteria was reported to be 13.34±/59 millimeters; and for S.iniae bacteria, the inhibitory zone was reported to be 9.56±/57 millimeters. For V.harvey bacteria, the inhibitory zone was reported to be 8.22±/46 millimeter
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