Joshua, Derrick Ian and Praveenkumarreddy, Yerabham and Prabhakaranunn, Valiparambil Prabhasanka and D’Souza, Andrea Petula and Yamashita, Nobuyoshi and Balakrishna, Keshava (2020) Firstreport of pharmaceuticalsandpersonalcareproducts in two tropical rivers of southwestern India. Environmental Monitoring and Assessment. ISSN 0167-6369

PDF 9292.pdf - Published Version Restricted to Registered users only Download (1MB) | Request a copy

Abstract

The occurrence of selected pharmaceuticals (trimethoprim, sulfamethoxazole, chloramphenicol, bezafibrate, ceftriaxone, and naproxen) in two westflowing tropical rivers (Swarna and Nethravati) of southwestern India is reported for the first time. Water samples were collected during the monsoon and postmonsoon seasons from river water end members and further downstream up to their confluence with the adjacent Arabian Sea. Samples were analyzed using HPLC–MS/MS. Results revealed that there were no significant seasonal variations in concentrations of target analytes in both the rivers. Of the total number of samplesanalyzed(n=24),trimethoprimwasdetectedin 100% of the samples, whereas sulfamethoxazole (SMX), chloramphenicol (CAP), ceftriaxone (CTX), and naproxen (NPX) were detected in between 91 and 58%ofthesamples.Bezafibrate(BZF)wasnotdetected in the samples. Nethravathi river showed higher concentrations of pharmaceuticals than the Swarna river which may be attributed to comparatively larger human population in the basin. Possible impacts of PPCPs on aquatic life offer further scope for study.

Actions (login required)

View Item