Polyphenol Content and Antioxidant Activity of Stevia and Peppermint as a Result of Organic and Conventional Fertilization

Stevia rebaudiana Bertoni and Mentha piperita are plants that generate interest mainly due to the presence of bioactive compounds in their leaves, such as phenolics. Studies indicate phenolics have pharmacological therapeutic properties, including antioxidant activity. Phenolic may be affected by type fertilization. For this reason, organic chemical fertilization were evaluated along with Results showed significant differences for total phenols peppermint (62% higher content). Also, DPPH test displayed stevia (572% 16% greater organic). Organic alternative producing high added agricultural commercial products.