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This article was the result of a research of literature study sources and impact of microplastic in the marine environment. Plastic debris could make microplasric caused by ultraviolet and give some negative impact for marine environment. Plastic debris in marine environment has come from industrial and fishing activities (human activities). All of marine environment in the world has contaminated by microplastic, microplastic will give negative impact for marine biota, recent study inform that turtle and fish have high microplastic content in both them. plastics industries should take responsibility for the end-of-life oftheir products by introducing plastic recycling or upgrading programmers.

Research that examines the plankton community structure on different land uses in the Cisadane River in Tangerang City has been carried out from April to June 2019. This study uses a survey method. Determination of the location is done by purposive sampling, adjusted to land use, namely fishing grounds, residential areas and factory / industrial areas. Sampling points for fisheries and residential areas are in Karawaci Hilir (station 1), Babakan (station 2) and Sukajadi (station 3). The sampling points of the factory area are around the tofu mill (station 1), the paper mill (station 2) and the palm oil mill (station 3) all in Karawaci Hilir. Data analysis in the Biology laboratory,

This study aims to optimize ultrasonic-assisted natural deep eutectic solvents (NADES) based extraction from C. longa. Choline chloride-lactic acid (CCLA-H2O = 1:1, b/v) was used to investigate the impact of various process parameters such as solvent’s water content, solid loading, temperature, and extraction time. The optimal yield of 79.635 mg/g of C. longa was achieved from extraction in 20% water content NADES with a 4% solid loading in 35 °C temperature for 1 h. Peleg’s model was used to describe the kinetics of the optimized ultrasonic-assisted extraction (UAE) method, and the results were found to be compatible with experimental data. The optimum conditions obtained from C. longa extraction were then used for the extraction of C. xanthorriza and C. mangga, which give yields of 2.056 and 31.322 mg/g, respectively. Furthermore, n-hexane was utilized as an anti-solvent in the separation process of curcuminoids extract from C. longa, C. xanthorriza, and C. mangga, which gave curcuminoid recovery of 39%, 0.74%, and 27%, respectively. Solidification of curcuminoids was also carried out using the crystallization method with n-hexane and isopropanol. However, the solution of CCLA and curcuminoids formed a homogeneous mixture with isopropanol. Hence, the curcuminoids could not be solidified due to the presence of NADES in the extract solution.

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