Shalini Singh and Shivendra Verma 2023. DPPH Screening in Mentha and Guggul Plant Different Extract. International Journal of Agriculture and Animal Production(IJAAP) ISSN 2799-0907 . 3, 03 (May 2023), 33–37. DOI:https://doi.org/10.55529/ijaap.33.33.37.