Judul: Fermentasi dan Pemanfaatan Produk Kacang Koro Pedang nxn (Canavalia ensiformis L)
Abstrak: Jack beans (Canavalia ensiformis L) are legume that rich in protein content. In Indonesia, people seldom use it for daily consumption. The objectives of this research were to optimize the fermentation of jack beans and to analyse microbiological activity through prebiotic activity and also to identify physical of jack beans. Jack beans cut into small pieces, fermented, powdered, physical properties identified by SEM, analyzed resistant starch and microbilogical analysis. Fermentation controlled more than spontaneous fermentation, it’s about 2.55×108 CFU/Unit. Products of fermentation yield resistant starch showed the value is 0.1170 ppm. Resistant starch used as a growth medium for L.casei and Bifidobacterium. Ammount of colony from each bacteria it’s sbout 2.73×107 dan 2.57×107 CFU/Unit. The resistant starch is the source of prebiotics for lactic acid bacteria which proved by the growth of that bacteria.
Keyword: Bogor Agricultural University (IPB), prebiotic activity, resistant starch, lactic acid bacteria, Fermentation, jack beans (Canavalia ensiformis L)

Judul: Physical, Chemical Quality, and Metabolizable Energy of Jack Beans (Canavalia ensiformis L.) with the Addition of Protease and Non-Starch Polysaccaride Enzymes
Abstrak: Penelitian ini bertujuan mengkaji kualitas fisik dan kimia serta mengevaluasi penggunaan dari kacang koro utuh (Canavalia ensiformis L.) dengan penambahan enzim NSP dan protease terhadap nilai energi metabolis (EM) dan kecernaan protein. Ternak yang digunakan adalah ayam broiler jantan strain Cobb berumur 35 hari sebanyak 20 ekor dengan rataan bobot badan 2,1 kg ekor-1. Penelitian ini menggunakan rancangan acak lengkap (RAL) yang dibagi ke dalam 4 perlakuan dan 4 ulangan. Perlakuan yang diberikan pada penelitian ini adalah P0 = Tepung kacang koro dengan kulit yang sudah melalui proses perendaman, perebusan, dan pengeringan; P1 = P0+enzim protease; P2 = P0+enzim NSP; P3 = P0+enzim protease+enzim NSP. Analisis yang diggunakan adalah Analysis of Variance (ANOVA) dan uji lanjut Duncan menggunakan program SPSS 25. Hasil pengukuran energi metabolis pada perlakuan P1, P2, dan P3 menunjukan hasil nyata (P<0,05) lebih tinggi dibandingkan perlakuan P0. Penambahan enzim NSP dan protease pada bahan pakan dapat meningkatkan nilai energi metabolis pada ayam broiler, The purpose of this experiment to evaluate the physical and chemical quality of jack beans (Canavalia ensiformis) in broiler rations with the addition of NSP and protease enzymes on the value of metabolizable energy (ME) and protein digestibility. Twenty heads of 35-day-old male Cobb strain broiler chickens with an average body weight of 2,1 kg were used in this experiment. The study used a completely randomized design (CRD) with 4 treatments and 4 replicates. The treatments used in this study were P0 = Jack beans flour that had been soaked, boiled, and dried; P1 = P0+protease enzyme; P2 = P0+NSP enzyme; and P3 = P0+protease enzyme+NSP enzyme. Analysis of Variance (ANOVA) and Duncan's further test were used in the SPSS 25 program. The metabolizable energy measurements in the P1, P2, and P3 treatments were significantly (P<0.05) higher than in the P0 treatment. The addition of NSP and protease enzymes to feed ingredients can increase metabolizable energy.
Keyword: energi metabolis, enzim NSP, enzim protease, kacang koro pedang, kecernaan protein

Judul: Thermal Characteristics and Dynamics of Tropical Cyclone over Western North Pacific Ocean: A Case Study of Typhoon Songda (Chedeng) 2011
Abstrak: The frequent occasion of Tropical Cyclone (TC) over Western North Pacific (WNP) Ocean lies from 10˚N to 26˚N and 121˚E to 170˚E. Sources of TC development come from warm ocean temperature where latent heat is released during condensation processes and subsequently concentrated in the boundary layer. Relative humidity at 850-700 hPa is responsible to produce the most intense storm. Meanwhile, weak vertical wind shear between 850-200 hPa is one of the dynamical factors that lead to the development of TC. Pressure level of 850-200 hPa is chosen to minimize the thermodynamic effect in the lower troposphere. Typhoon Songda (Chedeng in the Philippines) or TSC lasted from May 18th to 30th, 2011 and strengthened into powerful Super Typhoon stage between May 24th and 27th. Long curving track and the exhibition of all sequences of TC life cycle, TSC is then considered as an ideal case of TC. The objective of the study with case of TSC is to investigate the role of thermal characteristics and dynamics on TC intensity. The research is carried out by using Advanced Research of Weather Research and Forecasting model (WRF ARW model) version 3.3. Two domains are employed in the model. The first domain situate from 02˚N to 40˚N and 118˚E to 149˚E and cover spatial resolution () of 33.1 km. The second domain situate from 09˚N to 27˚N and 119˚E to 132˚E with of 11 km. Timestep of the model () is 120 seconds. The model is supported by the following physical parameterization, i.e., Yonsei University Scheme (YSU) in the boundary layer, Kain-Fritsch scheme (KF) in the cumulus, and WRF Single-Moment 3-class scheme in the microphysics. Initial meteorological condition prior to the formation of the cyclone is generated using WRF ARW standard-release model. Sensitivity of the model output is obtained from a selected single-parameter change scenarios, namely, 10 % to 20 % decrease and increase of wind shear initial data at 850-200 hPa, and by 10 % to 20 % decrease of relative humidity initial data at 850-700 hPa. The result showed that the negative correlations between wind shear and intensity are found in wind shear scenarios. Wind shears of 10 ms-1 which lead to strengthening of the wind intensity in the early period of Typhoon development are found in wind shear scenarios. The effect of wind shear changes on wind intensity is statistically significant in the 20 % wind shear scenarios. During mature stage, weak wind intensity occurred when wind shear increase as given in the WRF standard-release and the 20 % decreasing scenario. Different situation is found in the 20 % increasing scenario where wind shear tend to weak and lead to strong wind intensity at this stage. Meanwhile, the reduction of moisture supply at 850-700 hPa resulting from 20 % decreasing relative humidity play a major role in the weakening of wind intensity and reduces mechanical energy of the cycle process as much as 300 J kg-1.
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