Judul: Potensi Kacang Komak (Lablab purpureus (L.)Sweet) sebagai Bahan Baku Isolat Protein
Abstrak: Perkembangan industri pangan di Indonesia yang semakin pesat memaksa industri memenuhi kebutuhan akan bahan baku (food ingredients), yang salah satunya berupa isolat protein. Hingga saat ini isolat protein yang paling banyak digunakan adalah isolat protein kedelai, dimana kebutuhannya sebagian besar dipenuhi oleh produksi luar negeri. Data dari Badan Pusat Statistik (BPS) memperlihatkan nilai impor yang cukup tinggi untuk bahan baku isolat / konsentrat serta turunannya, yaitu 283.131 ton pada tahun 1999. Padahal Indonesia sangat kaya akan sumber-sumber protein potensial yang dapat dikembangkan dan seringkali dapat memenuhi karakter yang diinginkan oleh industri pangan. Sumber protein yang banyak terdapat di Indonesia salah satunya adalah kacang komak (LabIab purpureus(L)sweet).
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Judul: Studi Sifat Fisiko-Kimia, Sifat Fungsional Karbohidrat, dan Aktivitas Antioksidan Tepung Kecambah Kacang Komak (Lablab Purpureus (L.) Sweet)
Abstrak: Kacang-kacangan merupakan bahan pangan nabati yang tersedia melimpah di Indonesia. Namun sayangnya baru sedikit yang sudah dieksplorasi dan dimanfaatkan, salah satu di antaranya adalah kedelai. Kedelai merupakan kacang-kacangan yang saat ini menjadi sumber protein nabati utama bagi masyarakat Indonesia. Kebutuhan Indonesia terhadap kedelai cukup tinggi yakni mencapai 2 juta ton/tahun. Sementara produktivitasnya hanya mencapai 0,8 juta ton/tahun pada tahun 2005, sisanya Indonesia harus impor. Hal inilah yang mendorong diperlukan adanya komplemen/pelengkap bagi kedelai. Salah satu alternatif kacang-kacangan yang potensial untuk dikembangkan sebagai komplemen kedelai adalah kacang komak (Lablab purpureus (L.) sweet). Nilai gizi kacang komak menempati urutan ketiga setelah kedelai dan kacang tanah. Produktivitas kacang komak dapat mencapai 1,5 ton/ha, (Purwanto, 2008). Salah satu cara yang banyak digunakan untuk mengolah kacang-kacangan adalah germinasi. Dalam penelitian sebelumnya (Osman, 2007), germinasi dapat menjadi teknologi yang murah dan sederhana untuk meningkatkan kualitas kacang-kacangan melalui peningkatan daya cerna dan penurunan jumlah komponen antigizi.
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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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