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The Bioaccumulation and Biodegradation of Testosterone by Chlorella vulgaris

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  • Mei Fu

    (Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), College of Animal Science and Technology, Southwest University, Chongqing 400715, China
    College of Resources and Environment, Southwest University, Chongqing 400715, China
    These authors contributed equally to the manuscript.)

  • Bixiang Deng

    (Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), College of Animal Science and Technology, Southwest University, Chongqing 400715, China
    These authors contributed equally to the manuscript.)

  • Hongjian Lü

    (Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), College of Animal Science and Technology, Southwest University, Chongqing 400715, China)

  • Weizhi Yao

    (Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), College of Animal Science and Technology, Southwest University, Chongqing 400715, China)

  • Shengqi Su

    (Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), College of Animal Science and Technology, Southwest University, Chongqing 400715, China)

  • Dingyong Wang

    (College of Resources and Environment, Southwest University, Chongqing 400715, China)

Abstract

In the present study, the accumulation and degradation of testosterone by Chlorella vulgaris were studied. The results showed that C. vulgaris has a significant ability to eliminate testosterone by bioaccumulation and biodegradation, and during the 96 h experimental period, the data demonstrated that the accumulation of testosterone followed a sigmoidal accumulation pattern. At the end of the experiment, the bioconcentration percentages of testosterone by C. vulgaris in the high-concentration group and the low-concentration group were 11.49 ± 2.78% and 40.10 ± 1.98%, respectively, and the biodegradation percentages of testosterone were 69.64 ± 4.33% and 42.48 ± 1.92%, respectively. The rate of biodegradation of testosterone by C. vulgaris mainly depended on the relative initial concentration of testosterone. When the relative initial concentration of testosterone increases, the degradation may gradually change from zero-order kinetics to second-order kinetics.

Suggested Citation

  • Mei Fu & Bixiang Deng & Hongjian Lü & Weizhi Yao & Shengqi Su & Dingyong Wang, 2019. "The Bioaccumulation and Biodegradation of Testosterone by Chlorella vulgaris," IJERPH, MDPI, vol. 16(7), pages 1-13, April.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:7:p:1253-:d:220918
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    References listed on IDEAS

    as
    1. Ning He & Xian Sun & Yu Zhong & Kaifeng Sun & Weijie Liu & Shunshan Duan, 2016. "Removal and Biodegradation of Nonylphenol by Four Freshwater Microalgae," IJERPH, MDPI, vol. 13(12), pages 1-14, December.
    2. Weijie Liu & Qi Chen & Ning He & Kaifeng Sun & Dong Sun & Xiaoqing Wu & Shunshan Duan, 2018. "Removal and Biodegradation of 17β-Estradiol and Diethylstilbestrol by the Freshwater Microalgae Raphidocelis subcapitata," IJERPH, MDPI, vol. 15(3), pages 1-14, March.
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    1. Weijie Liu & Qi Chen & Ning He & Kaifeng Sun & Dong Sun & Xiaoqing Wu & Shunshan Duan, 2018. "Removal and Biodegradation of 17β-Estradiol and Diethylstilbestrol by the Freshwater Microalgae Raphidocelis subcapitata," IJERPH, MDPI, vol. 15(3), pages 1-14, March.

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