Abstract
ABSTRACT One of the species that produces Jernang, a dragon blood resin that coats the rattan fruit used in traditional medicine, is Daemonorops acehensis. The extracts of Jernang from D. acehensis had an IC50 ranging from 52.40 ± 4.35 to 662.72 ± 37.86 mg/L. Metabolite profiling of the samples identified 31 metabolites, mainly from the phenolics group. The principal component analysis classified the jernang extracts with different extracting solvents, while the orthogonal partial least squares-discriminant predicted the antioxidant compound. We found nordracorhodin (1), dracorhodin (2), 2,4-dihydroxy-5-methyl-6-methoxychalcone (7), (2S)-5-methoxyflavan-7-ol (14), (2S)-5-methoxy-6-methylflavan-7-ol (17), and one unknown compound, contributed to the antioxidant activity of the sample.
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