Bioaccumulation of Lead (Pb) and Cadmium (Cd) in Padina Australis Hauck at Palang Beach, Tuban, East Java, Indonesia
2024
F. Rachmadiarti, Winarsih, H. Fitrihidajati, T. Purnomo, S. Kuntjoro, F. A. Nafidiastri, R. Yolanda, R. Ambarwati, D. Anggorowati, W. Budijastuti, U. Faizah, D. Putriarti and N. F. Rosyidah
Waters polluted with Pb and Cd have a negative impact on the environment. Padina australis grows abundantly on the coast of Palang Subdistrict, Tuban, and the local community consumes it. Macroalgae as food must be free of metal contamination. This study aims to determine the impact of Pb and Cd bioaccumulation on P. australis. Sampling was conducted at two stations, including Station I, Panyuran Village, and Station II, Glodog Village. Analysis of Pb and Cd metal levels using Atomic Absorption Spectrophotometry (AAS). Analysis of protein content using the Kjeldahl method. The data obtained was analyzed with Principle Component Analysis (PCA). The results of the analysis of Pb and Cd levels in P. australis at station II, which are 0.200 ± 0.028 and 0.021 ± 0.004 mg.kg-1 higher than station I, which are 0.194 ± 0.015 and 0.010 ± 0.001 mg.kg-1. The protein content of P. australis at station I was 4.713 ± 0.508 mg.kg-1, and at station II was 5.900 ± 0.928 mg.kg-1. This shows that P. australis is still considered good for consumption even though it has been polluted and contains Pb and Cd metals. P. australis can tolerate and does not experience severe physiological damage so it has the potential as a heavy metal phytoremediator.
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