Browsing A - Mathematics and Natural Sciences by Subject "DPPH"

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    • Antioxidant Activity of Secondary Metabolite Compounds from Lichen Teloschistes flavicans 

      Maulidiyah, Maulidiyah; Akhmad, Darmawan; Usman, Usman; Andi, Musdalifah; La Ode, Agus Salim; Muhammad, Nurdin (Biointerface Research in Applied Chemistry, 2021-03-01)
      In the last decade, lichen has become a research interest related to exploring secondary metabolites compounds. Lichen is a unique organism and contains specific chemical compounds rarely found in other natural sources; ...

    • GC-MS profiling and DPPH radical scavenging activity of the bark of Tampol (Baccaurea macrocarpa) 

      Erwin, Erwin; Pusparohmana, Widar Ristiyani; Sari, Indah Permata; Hairani, Rita; Usman (F1000 Research, 2019-12-12)
      Background : Tampoi ( Baccaurea macrocarpa) is a tropical rainforest plant that produces edible fruit and is native to Southeast Asia, especially East Kalimantan, Indonesia. Previous research showed that Tampoi potentially ...