Abstract The utilization of E. pellita bark as waste is still not widely carried out due to a lack information about the chemical content. Therefore, current study aimed analyze content using pyrolysis-gas chromatography-mass spectrometry (PyGCMS). results showed total extractive pellita’s inner bark, outer and mix-bark was 12.17%, 16.19%, 14.85%, respectively. holocellulose 65.45%, while were ...