Pengaruh kadmium terhadap pertumbuhan dan kadar lipida mikroalga porphyridium cruentum

Cahaya, Diki (2016) Pengaruh kadmium terhadap pertumbuhan dan kadar lipida mikroalga porphyridium cruentum. Diploma thesis, UIN Sunan Gunung Djati Bandung.

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Abstract

INDONESIA Isolat mikroalga Porphyridium cruentum dikultur dalam media f/2 yang ditambahkan CdSO4 dengan konsentrasi yang berbeda (0 ppm, 0,1 ppm, 0,2 ppm 0,3 ppm dan 0,4 ppm) diuji pengaruhnya terhadap pertumbuhan dan kadar lipida dalam kondisi laboratorium dikontrol. Hasil yang diperoleh menunjukan bahwa nilai rata-rata kerapatan sel P.cruentum tertinggi terdapat pada konsentrasi 0,2 ppm dengan nilai rata-rata 6,3 x 106 sel/ml sedangkan nilai rata-rata kerapatan sel terendah terdapat pada kontrol dengan nilai rata-rata pertumbuhan 5,25 x 106 sel/ml. Sedangkan kadar lipida yang diketahui dari nilai rata-rata kadar lipida yang dihasilkan oleh P.cruentum tertinggi pada perlakuan 0,2 ppm yaitu 19,6% sedangkan nilai rata-rata kadar lipida terendah terdapat pada perlakuan 0,1 ppm dengan nilai rata-rata kadar lipida yang dihasilkan yaitu sebesar 3%. ENGLISH Microalgae isolate Porphyridium cruentum cultured in media f/2 containing CdSO4 with different concentrations (0 ppm, 0,1 ppm, 0,2 ppm, 0,3 ppm and 0,4 ppm), tested their effects on growth and lipid levels in a controlled laboratory conditions. The results showed that the average value of P.cruentum cell density is highest at concentrations 0,2 ppm with an average value 6,3 x 106 cell/ml while the average value of the cell density is lowest for the control by the average value growth 5,25 x 106 cell/ml. Known lipid levels resulting from the average value of lipids produced by P.cruentum highest in treatment 0,2 ppm is equal 19,6% while the average value of the lowest levels of lipids contained in treatment 0,1 ppm with average levels of lipid produced is equal 3%.

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