Judul: Hubungan Pola Konsumsi Pangan Sumber Protein serta Aktivitas Fisik dengan Massa Otot pada Remaja di Perdesaan dan Perkotaan.
Abstrak: Penelitian ini bertujuan menganalisis hubungan pola konsumsi pangan sumber protein, aktivitas fisik dan massa otot pada remaja di perdesaan dan perkotaan. Desain yang digunakan adalah cross sectional study. Subjek dalam penelitian ini berjumlah 152 remaja usia 12-15 tahun. Penelitian menggunakan data sekunder yaitu sebagian data penelitian “Gaya Hidup dan Aspek Gizi pada Remaja di Perdesaan dan Perkotaan” (Dwiriani et al. 2013). Usia contoh di perdesaan lebih tua, sementara uang saku dan pendidikan orang tua contoh lebih tinggi di perkotaan dibandingkan perdesaan. Frekuensi konsumsi daging sapi, ikan pindang, dan susu lebih tinggi di perkotaan, tetapi contoh di perdesaan mempunyai tingkat aktivitas fisik dan massa otot lebih tinggi dibandingkan perkotaan. Contoh yang mempunyai status gizi gemuk dan obesitas lebih banyak di perkotaan dibandingkan perdesaan. Tidak terdapat hubungan antara pola konsumsi pangan sumber protein, aktivitas fisik dan massa otot, tetapi hanya status gizi yang mempunyai hubungan signifikan dengan massa otot.
Keyword: massa otot, status gizi, tingkat kecukupan energi

Judul: Hubungan Pola Konsumsi Pangan dan Aktivitas Fisik Anak Sekolah dengan Status Gizi Lebih di Daerah Perkotaan dan Perdesaan Bogor
Abstrak: The prevalence of obesity continues to increase, including in childhood, not only in urban areas (10.4%) but also in rural areas (8.1%). The purpose of this research was to analyze the relationship between the pattern of food consumption and physical activity of elementary school children with overweight and obese status in urban and rural areas of Bogor. The research was conducted by applying a cross sectional study design. Subjects consist of 60 elementary school children of 4th and 5th graders in SDN Polisi 5 and SDN Babakan Dramaga 4, that had overweight and obese status, and in good health. Data was collected include child and family characteristics, patterns of consumption and physical activity. The average z-score (BMI/A), energy intake, protein intake and fat intake was higher in urban areas than in rural areas, whereas intake of carbohydrates was lower in urban than rural. The majority of physical activity in urban areas and rural were in the mild category. Family income, age of parents and children allowance of urban area were higher significantly (p<0.05) than rural area. There were a significant correlation between maternal nutritional status (p=0.040, r=0.266), energy intake (p=0.000, r=0.505), protein intake (p=0.003, r=0.381), and fat intake (p=0.001, r=0.426) with overweight and obese status of children.
Keyword: overweight and obese, physical activity, consumption patterns

Judul: Isolasi dan purifikasi inhibitor RNA helikase virus hepatitis C dari bakteriosin bakteri asam laktat S34
Abstrak: Target molecular therapy is one of method to prevent hepatitis C virus which was developed recently. NS3 Helicase/RNA helicase hepatitis C virus inhibition using inhibitory peptide are target in molecular therapy. Bacteriocin are inhibitory peptides which can inhibit hepatitis C virus through inhibition of NS3 helicase. Bacteriocin is a peptide which is produced by lactic acid bacteria. The aim of this research were to isolate and to purify bacteriocin from S34 lactic acid bacteria which has high activity to inhibit RNA helicase of hepatitis C virus. S34 lactic acid bacteria were identified using 16S RNA amplification and DNA sequencing identification of S34 lactic acid bacteria was Lactobacillus plantarum WCFS1. The bacterial growth reached logaritmic phase at 7 hours and stationary phase at 10 hours. Bacteriocin were isolated and purified by ammonium sulphate precipitation with 80% saturation, gel filtration chromatography, and characterization of bacteriocin through molecular weight analysis and measured protein concentration. Bacteriocin from S34 lactic acid bacteria were included in 2nd class bacteriocin, had 64.20 % of inhibition against RNA helicase hepatitis C virus, had molecular weight about 1.7-4.2 kDa, and specific activity in the amount of 2.84 x 106 U/mg.
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