Bioactive compounds of sea cucumber (Holothuria leucospilota) added to epoxy resin as environmental friendly antifouling coats

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DARYA MEHRNOOSH; SAJJADI MIRMASOUD; YOUSEFZADI MORTEZA; SOURINEJAD IMAN; Zarei Maaroof

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Journal: AQUATIC PHYSIOLOGY AND BIOTECHNOLOGY Year:2020 | Volume:8 | Issue:2 Page(s): 47-66

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Title

Bioactive compounds of sea cucumber (Holothuria leucospilota) added to epoxy resin as environmental friendly antifouling coats

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Keywords

FiberglassQ1

Secondary MetabolitesQ2

BiofoulingQ1

MicroalgaeQ1

Abstract

The use of natural antifouling agents is a new and suitable approach to solve the worldwide Biofouling problem. In this study, anti-micro algal and antifouling activity of a series of n-hexane, ethyl acetate and methanol extracts from four sections of sea cucumber Holothuria leucospilota (body wall, gonad, digestive tract and respiratory tree) were investigated. Anti-microalgal assay against two Microalgae species Chlorella vulgaris and Isochrysis galbana was conducted to determine the minimum inhibitory concentration (MIC) for each extract. The best extracts were added to resin epoxy and applied on Fiberglass panels (10×10cm). All panels were immersed in the Persian Gulf (Bandar-e-Gorzeh) for three months. Results indicated that ethyl acetate extract of the body wall had the best inhibitory activity against I. galbana, with MIC of 0. 062 mg/mL. Based on field results, the panel coated with 4% ethyl acetate extract from body wall added to resin epoxy had the lowest final weight (123. 33± 8. 32g) and lowest fouling cover percentage (57. 8%) among all panels after three months (P<0. 05). Regarding the high antifouling activity of ethyl acetate extract from the body wall of sea cucumber H. leucospilota, its use as a potential alternative to commercial biocides in antifouling coats is suggestable.

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APA: Copy

DARYA, MEHRNOOSH, SAJJADI, MIRMASOUD, YOUSEFZADI, MORTEZA, SOURINEJAD, IMAN, & Zarei, Maaroof. (2020). Bioactive compounds of sea cucumber (Holothuria leucospilota) added to epoxy resin as environmental friendly antifouling coats. AQUATIC PHYSIOLOGY AND BIOTECHNOLOGY, 8(2 ), 47-66. SID. https://sid.ir/paper/364501/en

Vancouver: Copy

DARYA MEHRNOOSH, SAJJADI MIRMASOUD, YOUSEFZADI MORTEZA, SOURINEJAD IMAN, Zarei Maaroof. Bioactive compounds of sea cucumber (Holothuria leucospilota) added to epoxy resin as environmental friendly antifouling coats. AQUATIC PHYSIOLOGY AND BIOTECHNOLOGY[Internet]. 2020;8(2 ):47-66. Available from: https://sid.ir/paper/364501/en

IEEE: Copy

MEHRNOOSH DARYA, MIRMASOUD SAJJADI, MORTEZA YOUSEFZADI, IMAN SOURINEJAD, and Maaroof Zarei, “Bioactive compounds of sea cucumber (Holothuria leucospilota) added to epoxy resin as environmental friendly antifouling coats,” AQUATIC PHYSIOLOGY AND BIOTECHNOLOGY, vol. 8, no. 2 , pp. 47–66, 2020, [Online]. Available: https://sid.ir/paper/364501/en

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