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Hasil Pencarian

Ditemukan 2 dokumen yang sesuai dengan query
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Elfita Elfita
" Garcinia griffithii and Garcinia cowa belong to the genus Garcinia. The genus Garcinia has been known to be a rich source of secondary metabolites, such as xanthones, benzophenones, flavonoids, steroids, terpenoids, and other phenolic derivatives. Previous investigations of endophytic fungi from G. griffithii revealed the presence of three compounds not found in the host. In order to the continue the phytochemical work on endophytic fungi of G. griffithii, the constituent of the endophytic fungi of G. griffithii was re-examined. ... "
Universitas Sriwijaya, Department of Chemistry, Faculty of Mathematics and Natural Sciences, 2016
J-Pdf
Artikel Jurnal  Universitas Indonesia Library
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Aldes Lesbani
" Adipic acid production through catalytic conversion of cyclohexanol-cyclohexanone using polyoxometalate H5[a-BW12O40] and H4[a-SiW12O40] as catalysts was carried out systematically. Polyoxometalates H5[a-BW12O40] and H4[a-SiW12O40] were synthesized using an inorganic synthesis method and were characterized using Fourier transform infrared spectroscopy (FTIR). Adipic acid was formed from conversion of cyclohexanol-cyclohexanone and was characterized by using melting point measurement, identification of functional group using FTIR spectrophotometer, analysis of gas chromatography-mass spectrometry (GC-MS), and 1H and 13C NMR (nuclear magnetic ... "
Universitas Sriwijaya, Department of Chemistry, Faculty of Mathematics and Natural Sciences, 2015
J-Pdf
Artikel Jurnal  Universitas Indonesia Library