Method for extracting SOD, CAT, NADH oxidase and ATP in white-rot fungi composite adsorbent simultaneously
The invention discloses a method for extracting SOD, CAT, NADH oxidase and ATP in a white-rot fungi composite adsorbent simultaneously. The method for extracting SOD, CAT, NADH oxidase and ATP in the white-rot fungi composite adsorbent simultaneously comprises the following steps: adding the white-r...
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Zusammenfassung: | The invention discloses a method for extracting SOD, CAT, NADH oxidase and ATP in a white-rot fungi composite adsorbent simultaneously. The method for extracting SOD, CAT, NADH oxidase and ATP in the white-rot fungi composite adsorbent simultaneously comprises the following steps: adding the white-rot fungi composite adsorbent into a CaCl2 solution to prepare small balls with white-rot fungi being embedded, and carrying out constant temperature shaking culture on the small balls with the white-rot fungi being embedded to obtain a culture solution; adding Cd into the culture solution for carrying out stress culture, then taking out the small balls with the white-rot fungi being embedded, and carrying out liquid nitrogen grinding to obtain a grinding sample; and adding phosphate buffer into the grinding sample, carrying out ultrasonic treatment in an ice bath, centrifuging to obtain a compound of SOD, CAT, NADH oxidase and ATP. The method for extracting SOD, CAT, NADH oxidase and ATP in the white-rot fungi composite adsorbent simultaneously has the advantages that heavy metal stress is adopted for improving enzyme activity of SOD, CAT and NADH oxidase and increasing ATP content, a cell breakage effect is good and extraction efficiency is high. |
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