Abstract
TBT (Tributyltin) is used to prevent biofouling, but it causes a dangerous effect on other marine biodiversity. In Wonosobo Regency, there are lots of Carica seeds (9 tons/month) which not utilized and considered as wastes. Whereas Carica seeds contain active compounds (saponins, alkaloids, phenols, flavonoids, and tannins) which are classified as antibacterial agent. Antibacterial compounds are used to prevent the formation of biofilms (which cause biofouling). This article discusses the antibacterial activity of Carica seeds and its prospects as an antifoulant coating. The general mechanism of the inhibition of the biofilm formation featuring bacteria were explained as sequences as follow (1) inhibiting cell division, (2) inhibiting DNA and RNA synthesis and (3) damaging cell membranes. By the number of antibacterial components contained in Carica seed, it has the potential to be used as an antifoulant coating because of its antibacterial and antibiofilm activity. However, further research needs to be done regarding the effective composition of the Carica seed waste and coating materials (binders, pigments, solvents, and additives) and their characteristics.
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