Figure 4. Extracting sugar from oil palm frond and fermenting into alcohols

From

Palm Sap Sources, Characteristics, and Utilization in Indonesia

Teguh Kurniawan, Jayanudin, Indar Kustiningsih, Mochamad Adha Firdaus

Journal of Food and Nutrition Research. 2018, 6(9), 590-596 doi:10.12691/jfnr-6-9-8