Judul: The Relationship between Plant Sterols Intake and Total Blood Cholesterol Level in Bogor Rural Area
Abstrak: Coronary heart disease (CHD) is the most common cause of death in Indonesia. Lowering cholesterol level is currently one of the most efficient and effective way to prevent or reduce the risk of CHD and other cardiovascular disease (CVDs). One of the compounds that have the cholesterol-lowering ability is plant sterols. To further research about plant sterol efficacy for health and its application as functional food ingredient in Indonesia, an up-to-date data about plant sterols dietary intake is required. The study was conducted with a cross sectional design to estimates the plant sterols (PS) intake and its relationship with total blood cholesterol level in Bogor rural area. Data of plant sterols level in food obtained by secondary data and calculation of recipe. Based on the results, the level of plant sterols intake of total respondent was averagely 223.80 mg/day with no statistical difference between male and female intake (t(98) = - .036, p > 0.05). The plant sterols intake in all respondents was mostly contributed by cereals and cereals product (37.46%), followed by legumes and legume products (24.41%). According to Pearson correlation test, there was no association between daily intake of plant sterols and total blood cholesterol (P > 0.05), which mean that the intake level not yet have visible effect in lowering or raising total blood cholesterol levels in respondents with health nutritional status, but presumed maintain normal blood cholesterol levels in respondents.
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Judul: Correlation of Torbangun Leaves (Coleus amboinicus Lour) Powder Capsules Suplementation on Blood Pressure and Cholesterol Total
Abstrak: The aim of this study was to determine the effect of torbangun leaves (Coleus amboinicus Lour) consumption in maintaining blood pressure and total cholesterol level. The leaves were prepared as simplicia capsules and were given as supplement. The study used pre-post test design and was conducted in May to June 2011 at settlements area around IPB Baranang Siang campus in Bogor. The study participants were 52 IPB extension program students, men and women aged >18 years old for middle-age to elderly. The study result showed that most subjects had normal nutritional status (78,8%) and had low level of physical activities (84,6%). Developmental changes in blood pressure values in the treatment group and control had increased or decreased at any point of observation in both systole and diastole pressures. However the changes in the systole and diastole in both the groups did not exceed 20/10 mmHg. Changes in total cholesterol values were also influenced by the type of intervention and gender. The average changes in cholesterol values increased by 10 mg/dl in men and 7 mg/dl in women. T test results on blood pressure values of study participants at the beginning and at the end of the study did not showed significant differences between the treatment and the control groups (P>0,05). But total cholesterol values and changes in total cholesterol values of study participants at the beginning and at the end of the study showed significant differences between the treatment and the control groups (P<0,05). So there was a change in the control group value at the end of the observation cholesterol with an average change in the value of cholesterol as much as 8,35 ± 11,9 mg/dl.
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Judul: Pemanenan Energi Listrik dari Kincir Angin Vertikal
Abstrak: Usaha pemanenan energi angin di Indonesia masih sedikit. Sampai Tahun 2016 hanya 3.54 MW alat pemanenan energi angin yang sudah terpasang. Kendala utamanya ialah dibutuhkan investasi yang besar untuk membuatnya. Pembuatan kincir angin dengan ukuran yang lebih kecil dengan bahan yang dapat dibeli di pasar lokal menjadi solusi agar pembuatan kincir angin lebih ekonomis. Pembuatan kincir vertikal tipe Savonius dapat menjadi solusinya. Kincir vertikal Savonius dapat beroperasi pada kecepatan < 3 m/s dan ketinggian < 50 m. Kincir angin ini terdiri dari tiga sistem, yaitu generator, rotor kincir dan transmisi pulley-belt. Generator dibuat dari modifikasi motor AC dan magnet neodymium. Rotor kincir dibuat dari pipa PVC 4”, pipa alumunium ¾”, dan papan polikarbonat. Transmisi pulley-belt dibuat dari plastik dan karet. Kincir ini membutuhkan gaya minimal 3 N untuk dapat berputar atau torsi minimalnya 0.75 Nm. Kecepatan angin yang dibutuhkan untuk merotasikannya sebesar 1.9 m/s. Daya maksimal yang dapat dihasilkan ialah 5.76 watt berupa tegangan sebesar 36 volt dan arus 160 mA.
Keyword: energi terbarukan, generator, motor AC, sudu Savonius