Figure 1. The benefits of probiotics in fish health. This review aims to explore the protective effects of probiotics and paraprobiotics in fish, outline some of the main functions performed by these ...

Mice engineered to produce high levels of the antioxidant catalase live significantly longer than their wildtype counterparts, according to a report published online by Science this week. Researchers ...

Catalase has an optimum pH of 9 and a working range of between pH 7-11. Most other enzymes function within a working pH range of about pH 5-9 with neutral pH 7 being the optimum.

The oxidase test showed diverse responses, with some isolates, such as S1 and S3, testing positive, while others, including S4 and S7, were negative. The catalase test demonstrated that most isolates ...