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Now showing items 21-30 of 89
Evaluasi Stabilitas Aktivitas Enzim Selulase Cairan Rumen Domba
(2012)
Developing Indonesian fishery sector needs solution in handling feed ingredients. An effort that has been carried out is the use of rumen fluid to lower crude fiber content of feed ingredients. Previous reasearch showed ...
Korelasi Kadar Seskuiterpena dengan Mutu Gaharu Standar Nasional Indonesia
(2012)
Sesquiterpene content of agarwoods (Aquilaria malaccensis) of 3 different commercial grades, namely kemedangan, super tanggung A and, super A, representing low to high grades, has been identified. However, parameters ...
Aktivitas Gabungan Ekstrak Bakau (Rhizophora apiculata), Alamanda (Allamanda schottii), dan Binahong (Anredera cordifolia) terhadap Enzim Tirosinase
(2012)
The aim of this study was to determine the most active composition of mangrove, alamanda, and binahong extract as tyrosinase inhibitor and antioxidant. Stem of mangrove was extracted with methanol-water and fractionated ...
Pemisahan Sitral dari Minyak Atsiri Serai Dapur (Cymbopogon citratus) sebagai Pelangsing Aromaterapi
(2012)
One of Indonesian herbs that contain essential oil is lemongrass. Essential oil of lemongrass consist of citral as the main component. This research aim to separate citral from lemongrass oil and to analyze its potency as ...
Daur Ulang Pelumas Bekas Menggunakan Asam Sulfat dan Ekstraksi Dengan Surfaktan
(2012)
Recycling of used lubricants can be performed by using sulphuric acid and bentonite as adsorbent. However, the resulting sludge is acidic and can pollute the environment unless treated properly. An alternative method is ...
Isolasi Senyawa Lutein dari Ekstrak Bunga Brokoli sebagai Antioksidan
(2012)
Antioxidant activity is important to protect our body from free radicals. Green vegetables such as broccoli has high content of lutein which can act as an antioxidant. The objective of this study was to isolate and ...
Identifikasi dan Pencirian Isolat Bakteri Pendegradasi Hidrokarbon
(2012)
Biodegradation with bioremediation method is performed by utilizing bacteria that can survive in contaminated soil and shows metabolic capabilities towards pollutants as carbon sources. Identification and characterization ...
Penentuan Komposisi Campuran Cat Bakar Akrilat untuk Aplikasi pada Media Plastik Polipropilena
(2012)
Car parts that need paint coating consist of 2 main substances, metal and plastic. Metal car body needs acrylic paint types whereas polypropylene plastic car bumper use polyurethane paint, so color matching needs to be ...
Sintesis Flavon dari Fenol dan Benzoil Klorida
(2012)
Flavone is a class of flavonoid, commonly found in plants with wide bioactivity spectrum. A widely used flavone synthesis route is through acidcatalyzed oxidative cyclization of β-diketone. In this study, unsubstituted ...
Adsorptivitas campuran kaolin-limbah padat tapioka termodifikasi surfaktan Heksadesiltrimetilamonium Bromida dan tween 80 terhadap cibacron redAdsorptivity of kaolin-tapioca solid waste mixture of adsorbent modified with Heksadesiltrimetilamonium bromida surfactant and tween 80 toward cibacron red
(2012)
Adsoprtion is a waste handling methods that is widely used. One factor that determined the capacity and selectivity of adsorbent adsorptiviy is the surface charge. In this study, the surface of kaolin-tapioca solid waste ...