Judul: Teknologi budidaya udang galah (Macrobrachium rosenbergii) dan ikan tambakan (Helostoma temmincki) intensif berbasis Integrated Multi Thropic Aquaculture dengan kepadatan berbeda
Abstrak: IMTA (Integrated Multi Thropic Aquaculture) is a aquaculture system that integrates several organisms and focuses on the trophic level differences of each organism. IMTA will be able to improve the quality of the water and of course have a direct impact on survival rate, stocking density and increase the growth rate. The research was using completely randomized design at many treatments in the form of initial stocking density difference between freshwater giant prawns and tambakan that UG20TM50 20 prawns/m2 and 50 tambakan/m2, UG20TM100 20 prawns/ m2 and 100 tambakan/ m2. Each treatment was repeated three times. The best treatment Based on 60 days cultivation was UG20TM50 with the survival rate of freshwater giant prawn (75.83±6.29%), spesific growth rate (3.02±0.16%), total production (3065.44±79.95g) and survival rate of tambakan (80±1.32%) spesific growth rate (2.94±0.25%) and total production (10723.47±975.21g), and supported by a temperature (28.90–31.67°C), pH (6.50– 7.87), DO (4.08–5.7 mg/L), ammonia (0.00010–0.0413) mg/L.
Keyword: Bogor Agricultural University (IPB), water quality., tambakan, IMTA, freshwater giant prawn

Judul: Teknologi Pembesaran Udang Galah (Macrobrachium Rosenbergii De Man) Sistem Terpadu Dengan Kepadatan Berbeda Berbasis Integrated Multi Trophic Aquaculture
Abstrak: Sistem IMTA (Integrated Multi Thropic Aquaculture) merupakan teknologi atau sistem budidaya yang dapat mengurangi dampak limbah dari suatu organisme dan menyeimbangkan kondisi lingkungan budidaya secara umum. Pada penelitian ini digunakan Rancangan Acak Lengkap dengan perbedaan padat tebar yaitu udang galah 13 ekor/m2 ikan tambakan 80 ekor/m2 (A) dan udang galah 13 ekor/m2 ikan tambakan 40 ekor/m2 (B). Perlakuan yang digunakan diulang tiga kali dengan masa pemeliharaan selama 60 hari. Perlakuan terbaik didapatkan pada perlakuan B ditandai dengan udang galah mendapatkan SR (85,33±1,88%), laju pertumbuhan harian (1,31±0,02%), hasil produksi (4736,03±248,20 gram), pada ikan tambakan didapatkan SR (79,23±6,05%), laju pertumbuhan harian (1,76±0,02%), hasil produksi (22166,96±1558,55 gram), serta dengan kualitas air yaitu DO (3,73-5,73) mg/L, pH (6,67-9,90), suhu (26,33-30,67) ºC, nitrit (0,04-0,11) mg/L dan amonia (0,017-0,235) mg/L.
Keyword: udang galah, IMTA, ikan tambakan, kualitas air

Judul: Sintesis Flavon dari Fenol dan Benzoil Klorida
Abstrak: 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 flavone had been synthesized via 5-step from phenol, with 22% yield and successfully increased the yield of previous study on Fries rearrangement of phenyl acetate and benzoylation of o-HAP steps. Phenol was acetylated resulting 93% phenyl acetate. AlCl3-catalyzed Fries rearrangement in 1.5 hour and at 120 °C converted phenyl acetate into o-hydroxyacetophenone (o-HAP) with 40% yield. AlCl3 as catalyst produced o-HAP with higher and reproducible yield compared with BF3·Et2O and ZnCl2. Benzoylation of o-HAP followed by Baker-Venkataraman rearrangement of the ester product using KOH in dried pyridine produced β-diketone 1-(2- hydroxyphenyl)-3-phenylpropane-1,3-dione. The yield of ester and β-diketone were 71% and 85%, respectively. Finally, oxidative cyclization of β-diketone with sulphuric acid as catalyst produced 99% of flavone. The flavone product had been characterized spectroscopically and its melting point as well.
Keyword: