Browsing A - Mathematics and Natural Sciences by Author "Usman, Hanafi"
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SENYAWA TURUNAN OLEANAN DARI KULIT BATANG Melochia umbellata (Houtt) Stapf var. DEGRABRATA K DAN BIOAKTIVITASNYA
Usman; Soekamto, Nunuk Hariani; Usman, Hanafi; Ahmad, Ahyar (Seminar Nasional Kimia dan Pendidikan Kimia UNS, 2015-04-18)Senyawa turunan oleanan 3-asetil-12-oleanen-28-oat diisolasi dari fraksi n-heksan kulit batang M. umbellata (Houtt) Stapf var. degrabrata K. Struktur molekul ditentukan melalui analisis data spektroskopi IR, NMR 1D dan NMR ... -
TOXICITY AND ANTIMICROBIAL ACTIVITY FROM EXTRACT AND OLEANAN DERIVATIVE COMPOUNDS OF THE BARK MELOCHIA UMBELLATE (HOUTT) STAPF VAR. DEGRABRATA
Usman; Soekamto, Nunuk Hariani; Usman, Hanafi; Ahmad, Ahyar (International Journal of Pharma and Bio Sciences, 2014-07)Oleanan derivative compound namely 3-acetyl-12-oleanen-28-oic acid, has been isolated from n-hexane fraction of the bark M. umbellate (Houtt) Stapf var. degrabrata The molecular structure was determined by IR spectroscopy, ... -
Uji Fitokimia dan Antibakteri dari Ekstrak Metanol Kulit Batang Melochia umbellata (Houtt) Stapf var Degrabrata (PALIASA) terhadap Bakteri Patogen
Usman; Soekamto, Nunuk Hariani; Usman, Hanafi; Ahmad, Ahyar (Jurnal Kimia Sains, 2011-09)A Study phytochemical and antibacterial essay of the methanol extracts of steam bark M.umbellate (Houtt) Stapf var. degrabrata (Paliasa). The results of this study showed that the methanol extract from the bark of M. ...