Judul: Pengaruh Frekuensi Latihan Aerobik Intensitas Sedang (Low Impact) terhadap Status Gizi dan Kebugaran Mahasiswi
Abstrak: Obesity is one risk of degenerative diseases that usually increase in years and is the leading cause of death in the world. Obesity can be prevented with regular physical activities, one of them is physical activity with moderate intensity aerobic exercise. The purpose of this study was to analyze the effect of the frequency of moderate-intensity aerobic exercise on nutritional status and fitness of female university students. This study used a quasi experimental design with sample of 21 students who were divided into three groups of moderate-intensity aerobic exercise intervention for eight weeks. The first group with a frequency of two times a week, the second group with a frequency of three times a week, and third group with frequency four times a week. Primary data collected include: anthropometry (BMI), subcutaneous fat (triceps, abdomen and thigh), body composition (lean body mass, soft body mass, total body water, body fat mass and body mass percent of fat), serum lipid profile (cholesterol, HDL-cholesterol, HDL-cholesterol and triglycerides), fitness (speed, strength, flexibility and endurance), consumptions (energy and protein). The results of statistical tests showed that the difference in frequency (one-way ANOVA) were significant different in vertical jump and protein intake (P <0.05), while the anthropometry, subcutaneous fat, body composition and serum lipid profiles were not significant (P>0.05).
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Judul: Analisis Hubungan antara Kecukupan Gizi dan Status Gizi dengan Tingkat Kebugaran Mahasiswa IPB
Abstrak: Economical progress in developing countries, including Indonesia, has generated many changes. There has been changes in lifestyle from active to less active as well as advances is technology. This resulted in changes in consumption which are generally use food instant. These changes can easily lead to degenerative diseases at a young age. The general objective of this study was to analyze the relationship between nutritional status and fitness levels of students with the specific objectives including 1) assess the characteristics, nutritional status and fitness level of samples; 2) analyze the relationship between the sample’s characteristics and BMI, body composition and fitness levels; 3) analyze the relationship between the adequacy level of energy - nutrient and BMI (Body Mass Index), body composition and fitness level; 4) analyze the relationship between BMI and fitness level; 5) analyze the relationship between body composition and BMI and fitness levels. The research was conducted using Cross Sectional study design with 75 students as samples. Primary data used included characteristics, nutritional status, body composition and fitness level of samples. The results showed that nutritional status of male students was not significantly different from the female students. In contrast, the percentage of body fat of men is lower than those in women. The level of fitness (flexibility and VO2max) was significantly higher in the men than of the women. BMI was significantly decreased with the level of fitness. Body fat percentage were significantly increased with BMI and body fat percentage were significantly decreased with the fitness level. The study suggested that students should improved the nutrients intake and do the exercise in order to have a good level of fitness.
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Judul: Sintesis 1-Kloro-2-metoksi-6-propilnaftalena-1,3-dioksolana (1:1) sebagai Prekursor Asam (S)-(+)-(6-Metoksi-2-naftil)propanoat
Abstrak: Senyawa 1-kloro-2-metoksi-6-propilnaftalena-1,3-dioksolana (1:1) sebagai prekursor asam (S)-(+)-(6-metoksi-2-naftil)propanoat disintesis dari bahan awal 2-metoksinaftalena. Tahapan sintesis diawali dengan klorinasi menggunakan 2 jenis pereaksi klorinasi, yakni isosianurat terklorinasi dan NaOCl. Klorinasi dengan isosianurat terklorinasi berhasil menyintesis 1-kloro-2-metoksinaftalena sebagai produk monoklorinasi melalui pencirian dengan kromatograf gas-spektrometer massa (GC-MS). Nisbah konversi produk paling efisien diperoleh pada laju penambahan 2.5 mmol/jam. Sebaliknya, klorinasi dengan NaOCl menghasilkan produk triklorinasi. 1-Kloro-2-metoksinaftalena selanjutnya diasilasi dengan propanoil klorida, tetapi analisis dengan GC menunjukkan bahwa produk asilasi tidak terbentuk. Sistem bebas-air diperlukan untuk keberhasilan proses asilasi tersebut.
Keyword: isosianurat terklorinasi, NaOCl, nisbah konversi