uinor 500

collected in clean tubes and to each 500 L of supernatant, 500 L of 10% trichloroacetic acid (Fisher, New Jersey, NJ, USA) was added. kali 500 The samples were then centrifuged at 3500 rpm and the supernatant was collected To 500 L of supernatant, 500 L of 0 67% thiobarbituric acid (Merck, Darmstad, Germany) was added The samples were then kept