Antibacterial and biolarvicidal activity of extracts of ethanol of Goniothalamus macrophyllus leaves and roots

Abstract

Tendani (Goniothalamus macrophyllus) is empirically often used by Dayak people as a mosquito repellent by burning the stem bark and roots which have the ability as antibacterial. The objective of this research is to evaluate the antibacterial and biolarvicidal properties of ethanol extracts of Goniothalamus macrophyllus's leaves and roots. The research method used qualitative method with colour phytochemical test, antibacterial test, and larvicidal test. Based on the study of active compounds contained in G. macrophyllus, the results of colour phytochemical tests of ethanol extracts of leaves and roots all contain compounds of the alkaloid, flavonoid, triterpenoid/steroid, saponin, tannin and phenol groups. The results of the antibacterial tests on the leaves and roots have a strong ability to inhibit the growth of Candida albicans, Propionibacterium acne and Streptococcus mutans. The highest larval mortality rate in the biolarvicide test was obtained in the root part of tendani with a concentration of 15% at 88%. The conclusion of the study is that the leaves and roots of the tendani plant have potential as antibacterial and biolarvicidal.