Abstract
Cashew Nut Shell Liquid or CNSL is a versatile byproduct of the Cashew Industry. CNSL is widely used in paints, varnishes, enamels, laminating resins, rubber compounding resins, cashew cement, polyurethane based polymers and epoxy resins. Biodegradation of paints is a threat to the marine paint industry. CNSL is an eco-friendly antifouling agent widely used in marine paints that prevents fouling of microorganisms to the hull of the ships and boats. Our aim was to isolate, identify and optimize the effectiveorganism that degrade CNSL and phenol, which would be helpful in developing new paint products that resists these organisms. By enrichment culture technique, a mixed population of microorganisms was obtained. By screening all the plants, it was found that Delftia acidovorans and Pseudomonas aeruginosa play a significant role in the degradation of CNSL. Degradation of CNSL was estimated spectrophotometrically by Folins-Ciocalteau method at 650 nm. These strains can also be used for bioremediation purposes in CNSL contaminated soils in cashew industries.
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