Leaves have various biological effective compounds, they work as anti-natural oxidative stress such as tannins phenolic acids, and have ability to attack radical free. They can be used in many industry such as in pharmaceutical, neutraceuticals, and also in food industry as in food supplement. leaves used as medicinal herbs have various effects on living systems. Some are painkiller , sedatives , antiinflammatory and antioxidants. The study done on Magnifera indica and Citrus limon leaves shows the proximate analysis and chemical analysis.and the result of magnifera indica and citrus limon respectively contains moisture content (69.5% - 75.5% and 54%-58.5%), ash content (14% -15.5% and 14%-15.5% ) and ascorbic acid (6.9mg-6.88mg and 4.8mg- 5.5mg) TPC (total phenolic content) (1,266-1.267 mg of GAE/g and 1.267-1.268 mg of GAE/g) and DPPH scavenging activity (63%- 65% and 47%-48%).
