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 antara Kebiasaan Makan dengan Status Gizi pada Remaja di Perkotaan dan Perdesaan
Abstrak: Double burden of nutritional problems are not only faced by urban societies but also rural societies. This study aimed to analyze association of eating habits, physical activities and nutritional status of adolescence in urban and rural areas. The study used cross sectional design involved 102 adolescences. There were significant differences (p<0.05) between subject in urban and rural in term of age, daily pocket money, parents’ educational background, family income, family size, frequency consumption of noodles, chicken, tofu, soybean, carrot, banana, orange, physical activity of school day. There was no significant difference in frequency of a having meal and habit on buying snacks. There was significant correlation between ages, genders, parents’ educational level, family size, family income and nutritional status (TB/U), as well as gender and nutritional status (IMT/U). However, there was no significant correlation between eating habits, physical activities, energy and nutrients adequacy levels and nutritional status (p>0.05).
Keyword: nutritional status, adolescence, food consumption, eating habits, physical activities

Judul: Isolasi dan pemurnian bahan aktif dari mikroalga BTM 11 sebagai inhibitor RNA helikase virus hepatitis C
Abstrak: Hepatitis C virus is the cause of hepatitis C disease which has high virulence. Recent therapy using combination of ribavirin and alpha interferon has short efficiency < 80%. Thus, the discovery of new drug is needed. Antiviral drugs can be discovered through molecular target therapy by finding the inhibitor of RNA helicase that play role in viral replication. Inhibitor can be derived from chemical compound produced by microalgae. The aim of this research was to isolate the active compound from microalgae BTM 11 which had inhibitory activity against RNA helicase. Inhibitory activity was measured by releasing of phospate inorganic in colorimetric ATPase assay. Crude extract was fractionated using gel filtration chromatography with methanol in chloroform solvent. The result showed that Fraction 3 has the highest inhibitory activity which (81.205%). Phytochemical test of crude extract indicated positive flavonoids and coumarin. Thin layer chromatography (TLC) analysis with eluent chloroform: methanol gave 2 spots with Rf value of 0.8 and 0.37. Moreover, high performance liquid chromatography (HPLC) analysis showed absorption peak with the highest abundance at the retention time of 12.483 minute and 16.617 minute was 266 nm and 230 nm. According to these of phytochemical, TLC, and HPLC, inhibitor compound from BTM 11 belongs to flavonoids.
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