Search
Now showing items 111-120 of 142
Perbandingan ekstraksi kurkumin dari temulawak (Curcuma xanthorriza Roxb.) dengan pelarut aseton dan etanol
(2013-04-03)
Temulawak (Curcuma xanthorriza Roxb.) merupakan salah satl! jcnis tanaman obat yang banyak digunakan masyarakat. Kandungan senyawa aktif di dalam temulawak adalah kurkllmill dan xanthorizol. Berbagai penelitian tclah banyak ...
Inhibisi ekstrak air dan etanol sambiloto (Andrographis paniculata [Burm.f.] Nees) terhadap aktivitas enzim tirosin kinase secara in vitro
(2013-04-03)
Enzim tirosin kinase merupakan enzim pengatur pertumbuhan sel-sel dalam tubuh. Aktivitas berlebihan dari enzim ini akan menyebabkan pertumbuhan sel menjadi tidak tekendali dan dapat memicu pertumbuhan sel-sel kanker. ...
Daya hambat ekstrak air dan etanol keladi tikus (Typhonium flagelliforme) terhadap enzim tirosin kinase secara in vitro
(2013-04-03)
Enzim tirosin kinase berperan penting dalam perkembangan sel kanker. Senyawasenyawa yang dapat menginhibisi aktivitas enzim tersebut mampu menghambat perkembangan sel kanker. Keladi tikus (Typhonium flagelliforme) merupakan ...
SINTESIS HIDROKSIAPATIT BERPORI DENGAN POROGEN KITOSAN DAN KARAKTERISASINYA
(2013-02-04)
Telah dilakukan sintesis hidroksiapatit (HAp) berpori dengan porogen kitosan, menggunakan metode sol gel. HAp disintesis dari kalsium yang direaksikan dengan asam fosfat. Kalsium yang digunakan diekstrak dari cangkang telur ...
Aktivitas antioksidan dan toksisitas ekstrak etanol surian (Toona sinensis)Antioxidant and toxicity of ethanolic extracts of surian (Toona sinensis Roem.)
(2013-05-10)
Crude ethanolic extracts of Toona sinensis of heartwood, sapwood, innerbark, and leave were examined for their antioxidant (radical scavenging) activity by 1, 1-diphenyl-2picrylhydrazyl (DPPH) and toxicity by brine shrimp ...
Sintesis dan uji sitotoksik in vitro senyawa 2-Hidroksinikotinil oktilamida terhadap sel kanker leukimia murin p388
(2013-05-10)
The novel compounds of2-hydroxynicotinyl octylamide (NOA) were synthesized by modifying of the UK-3A compound known biologically active to inhibit bacterial and cancer cell growth. Synthesis of2-hydroxynicotinyl octylamide ...
Studi produksi pektin asetat sebagai bahan baku lembaran bioplastikThe study for production of acetylated pectin as raw material for bioplastic films
(2013-05-10)
ABSTRACT: The study was aim at obtaining the optimal acetylation and activation time for obtaining water insoluble acetylated pectin which would be used for bioplastic material. The activation time for swelling of pectin ...
Antioxidant Activity Of Flavonoids Compound from Kelor Leaves (Moringa oleifera)
(2012-11-22)
Abstract: Kelor (Moringa oleifera)had been investigated that consists of tannins, flavonoids, saponins, and alkaloids which usually have antioxidant activity.
Study of Fourier Transform Infrared Spectroscopy and Scanning Electron Microscope of Cellulose Acetate Membrane from Wastewater of Tapioca
(2013-09-25)
ABSTRACT. Wastewater of tapioca is waste product from starch precipitation or separation process from its water in making tapioca. This wastewater still contains carbohydrates such as glucose, so it can be used as raw ...
Identifikasi Senyawa Bioaktif Antifeedant dari Asap Cair Hasil Pirolisis Sampah Organik Perkotaan
(2013-07-10)
The research aims to identify antifeedant bioactive substance in liquid smoke derived from pyrolisis oforganic municipal waste. Samples were pyrolyzed in drum reactor at 505"C for five hours to produce char and conden~ed ...