Judul: Konsentrasi kolesterol dan trigliserida pada serum tikus hiperlipidemia dengan perlakuan inhalasi minyak atsiri bangle (Zingiber purpureum)
Abstrak: Bangle mengandung minyak atsiri berupa sineol dan terpinen. Minyak atsiri rimpang bangle diduga dapat menurunkan konsentrasi kolesterol dan trigliserida. Penelitian bertujuan mengukur konsentrasi kolesterol dan trigliserida pada serum tikus hiperlipidemia dengan inhalasi minyak atsiri bangle (Zingiber purpureum). Perlakuan dilakukan secara in vivo terdiri atas 5 kelompok, yaitu kelompok normal, kelompok hiperlipidemia (tanpa inhalasi), kelompok inhalasi minyak atsiri kasar, kelompok inhalasi minyak atsiri fraksi 1, dan kelompok inhalasi minyak atsiri fraksi 4. Penelitian dilakukan dengan metode enzimatik, yaitu CHODPAP (Cholesterol Oxidase Para Aminophenazone) dan GPOPAP (Gliserolphosphat Oxidase Para Aminophenazone) untuk mengukur konsentrasi kolesterol dan trigliserida dengan menggunakan spektrofotometer. Hasil yang didapatkan adalah kelompok inhalasi minyak atsiri fraksi 4 memiliki konsentrasi kolesterol 211,536 mg/dL dan konsentrasi trigliserida 191,821 mg/dL lebih tinggi jika dibandingkan kelompok lainnya. Pemberian minyak atsiri kasar dan minyak atsiri fraksi 1 mempunyai konsentrasi kolesterol yang lebih rendah daripada kelompok hiperlipidemia (tanpa inhalasi). Kelompok inhalasi minyak atsiri fraksi 1 dan minyak atsiri kasar berpengaruh menurunkan kadar kolesterol namun tidak berpengaruh menurunkan trigliserida. Konsentasi kolesterol dan trigliserida di dalam darah memberikan korelasi yang negatif terhadap bobot badan.
Keyword: Essential oil, Bangle, Inhalation, Cholesterol, Tryglyceride

Judul: Pengaruh Aromaterapi Minyak Atsiri Jahe Terhadap Kadar Trigliserida dan Kolesterol Darah Tikus yang Diberi Pakan Tinggi Lemak
Abstrak: The study aims to determine the effect of ginger (Zingiber officinale) essential oil via inhalation on blood triglyceride, total cholesterol, High Density Lipoprotein (HDL) cholesterol, and Low Density Lipoprotein (LDL) cholesterol level of rats that fed high fat diet. Eighteen albino rats (Rattus norvegicus) were devided into three treatments groups. The treatments were K1 (standard diet) as negative control, K2 (high fat diet) as positive control, and K3 (high fat diet + ginger essential oil inhalation). Blood samples were collected after 5 weeks of treatment period. The result showed the level of triglyceride, cholesterol, and HDL cholesterol at treatment K3 tend to be lower than treatment K2. LDL cholesterol level at treatment K3 show higher result than treatment K2. From the result of this study cocluded that inhalation of ginger essential oil can lowering triglyceride, total cholesterol, and LDL cholesterol level and raise HDL cholesterol level.
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Judul: Dynamics Model for Rural and Urban Economic Growth
Abstrak: Lewis theory of structural change has focused on mechanisms that allow countries to transform their domestic economic structure to a more modern economy. The proposed model deals with the mechanism of interaction between rural and urban Economic. This model is concerned with the process of labor transfer from rural to urban areas. This study aims to model the dynamics of economic growth in rural and urban areas, including determining the equilibrium solution and to carry out simulation of the model. The simulation results show that the transfer of labor from rural to urban areas will increase the rate of change of capital so that structural changes can be realized. In addition, increased propensity to save in rural areas will also accelerate structural change
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