Evaluation by the Ames Assay of the Mutagenicity of UV Filters Using Benzophenone and Benzophenone-1

Wen-Qian Wang, Hai-Xin Duan, Zhou-Tao Pei, Rou-Rou Xu, Ze-Tian Qin, Guang-Can Zhu and Li-Wei Sun
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Wen-Qian Wang: School of Energy & Environment, Southeast University, Nanjing 210096, China
Hai-Xin Duan: School of Energy & Environment, Southeast University, Nanjing 210096, China
Zhou-Tao Pei: School of Energy & Environment, Southeast University, Nanjing 210096, China
Rou-Rou Xu: School of Energy & Environment, Southeast University, Nanjing 210096, China
Ze-Tian Qin: School of Energy & Environment, Southeast University, Nanjing 210096, China
Guang-Can Zhu: School of Energy & Environment, Southeast University, Nanjing 210096, China
Li-Wei Sun: School of Energy & Environment, Southeast University, Nanjing 210096, China

IJERPH, 2018, vol. 15, issue 9, 1-12

Abstract: Ultraviolet absorbing chemicals (UV filters) are widely used in personal care products for protecting human skin and hair from damage by UV radiation. Although these substances are released into the environment during production and consumption processes, little is known about their genotoxicity effects. Our previous studies have shown that benzophenone-type UV filters exhibited acute toxicity on three species of aquatic organisms. Mutagenesis by benzophenone (BP) and benzophenone-1(BP-1) was tested in the present study by the Salmonella typhimurium /reverse mutation assay (Ames assay). All the positive reverse mutations occurred in the absence of the S9 liver extract system for both chemicals. From BP, positive mutation effects on the TA102 strain at doses of 0.05 μg/plate and 0.5 μg/plate were detected. From BP-1, positive mutation effects on the TA97 strain at doses of 0.05 μg/plate and 0.5 μg/plate, and on the TA100 strain at a dose of 0.5 μg/plate, were detected. A mixture of BP and BP-1 exhibited mutagenicity on the TA97 and TA100 strains. For the TA97 strain, the positive mutation results were detected at 10% and 50% of the mixture. For the TA100 strain, the results were detected when the mixture was at 5% and 10%. In the mixture at 5%, the concentrations of BP and BP-1 were 3.5 μg/plate and 14 μg/plate, respectively. In the 10% mixture, the doses of BP and BP-1 were 7 μg/plate and 28 μg/plate, respectively. In the 50% mixture, the doses of BP and BP-1 were 35 μg/plate and 140 μg/plate, respectively. The mixture test results suggested that there was antagonism in mutagenicity between BP and BP-1.

Keywords: UV filters; benzophenone; benzophenone-1; mutagenicity; genotoxicity; Ames assay (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2018
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