background & aim: in present study, some of the iranian endemic medicinal plants were used to evaluate potential as well as therapeutic agent and immunostimulants in aquaculture. the essential oils of five species from leaves and inflorescence were used to determinate the effects on immune system in rainbow trout (oncorhynchus mykiss). experimental: the experimental in a completely randomiz...

plants are almost reach sources of phenolic compounds such as flavonoids which are the most importantnatural antioxidants. antioxidant compounds are essential for protecting human body against oxidativestress. however use elicitors could increase the antioxidant activity of plant. the purpose of this studywas to evaluate the effects of chitosan on the content of phenolic and flavonoid compounds...