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Determination of Antioxidant Activity in Different Kinds of Plants In Vivo and In Vitro by Using Diverse Technical Methods

Ammar Al-Temimi and Ruplal Choudhary

The phenolic compounds content and antioxidant activity in plant are very necessary for human health in light of their high active compounds which are very important to protect human body from hard diseases. Therefore, due to evaluated antioxidant activity of various samples (plants), we used 18 methods which were mentioned in 100 articles in different explanations. All of these diverse methods were discussed to demonstrate and show which method is more frequent either in vivo or in vitro. Moreover, there were different kinds of solvents which were used to extract phenolic compounds from plants. So, the results show that a,a-diphenylpicrylhydrazyl (DPPH) was more frequent method to determine of antioxidant activity in vitro, while Lipid Peroxidation (LPO) was more common to evaluate antioxidant activity in vivo. Ultimately, methanol was found to be most common solvent which was used to extract phenolic compounds from plants