Did you know, in the forests of Kalimantan there are plants that can be a substitute for engines. This natural machine is called sengkubak. It feels like? Researcher from the Chemistry Department, FMIPA, Tanjungpura University, Hj. Puji Ardiningsih, S.Si, M.Si explained that Sengkubak (Sanksankng Babao Leaves) has a protein content of 19.62% with the highest amino acid glutamate (5.8%). "Glutamic acid is what gives that umami, delicious or savory taste." This scientific information was obtained from the results of research conducted by Mrs. Puji and her research team.