Judul: IPB (Bogor Agricultural University)
Abstrak: Hypercholesterolemia and LDL oxidation are the major factors of atherosclerosis. The ethanol extract of the ginger (EEG) and Zn each posses effect reduce cholesterol and antioxidant. These research combined EEG and Zn as antihypercholesterolemia and antioxidant to prevent atheroma in New Zealand white fed rabbits atherogenic diet and hypercholesterolemia rabbits. Twenty eight male rabbits were divided into seven groups. For 6 weeks, group 1 was fed with a normal diet and group 3 was fed with an atherogenic diet. Beside the atherogenic diet, group 2,4,5,6, and 7 were also treated by supplementary treatment. Second phase research, 24 male hypercholesterolemia rabbits were divided into 6 groups. For 6 weeks, group 1 was fed with a normal diet. Fed rabbits atherogenic diet group 2,4,5,6, and 7 and hypercholesterolemia rabbits group 2,3,4,5, and 6 were treated by supplementary treatment, which are Zn 6.67 mg/kg, EEG 200 mg/kg, combination EEG 50 mg/kg and Zn 6.67 mg/kg, combination EEG 100 mg/kg and Zn 6.67 mg/kg, and atorvastatin (positive control) 1.9 mg/kb BW per day. Combination EEG 50 mg/kg and Zn 6.67 mg/kg and combination EEG 100 mg/kg and Zn 6.67 mg/kg treatment impeded the increase of total cholesterol, LDL, and prevent atheroma equal to the positive control. Based on the ability to restrain the increase of MDA (lipid peroxidation) in fed rabbits atherogenic diet the treatment with combination EEG 50 mg/kg and Zn 6.67 mg/kg resulted higher than positive control or the other treatment. Based on reduced plaque atheroma in hypercholesterolemia rabbits, combination EEG 50 mg/kg and Zn 6.67 mg/ kg treatment also the best result. These researches concluded that combination EEG 50 mg/kg and Zn 6.67 mg/kg BW per day treatment exhibited the highest atheroma prevention effect in fed rabbits atherogenic diet or hypercholesterolemia rabbits as compared to the positive control or the other treatments.
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Judul: Lipid Peroxide Concentration in The Liver of Hyperlipidemic Rabbits Treated by Hypolipidemic Substance.
Abstrak: Degenerative disease has caused the highest mortality in the world. The disease may occur due to our life style which prefer fast food than traditional one and overeating resulted in hyperlipidemic. This condition will increase lipid peroxidation caused by free radicals in the body such as in the liver. The objective of this research is to determine the influence of hypolipidemic substance on lipid peroxide in the liver of hyperlipidemic rabbits. Twenty four male New Zealand White rabbits were divided into four group: group I (normal), group II (Hyperlipidemic), group III (mixture of Jati Belanda), and group IV (lovastatin). Lipid peroxide concentration was measured by TBA (thiobarbiturit acid) assay that measure malondyaldehida (MDA) as product of lipid peroxidation using spectrophotometer at λ = 532 nm (Yagi et al 1994). The result of the research showed that feeding rabbits with chow contains 0.5% cholesterol and 5% of palm oil caused hyperlipidemic. Lipid peroxide concentration of rabbit’s liver in group II increased two times compared with group I. Group III and IV had lower lipid peroxide concentration of rabbit’s liver compared with group II which is 58.83% and 49.06%. This data showed that Jati Belanda leave mixture and lovastatin decreased lipid peroxidation in the liver.
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Judul: Studi kasus migran pedagang kaki lima di pasar Senen, Jakarta Pusat
Abstrak: Sejak Jakarta menjadi ibukota negara RI, Jakarta tidak pernah sepi dari arus migrasi penduduk. Masuknya para migran ke Jakarta disebabkan karena pertumbuhan fisik yang nyata, yaitu dari pembangunan gedung perkantoran, fasilitas hiburan dan lainnya, memberi daya tarik bagi orang bukan penduduk Jakarta. Termasuk di antara migran adalah kaum golongan kecil yang berasal dari kalangan sirkuit bawah desa. Alasan utama migrasi di sirkuit bawah, yaitu khususnya yang akhirnya bekerja sebagai pedagang kaki lima di Pasar Senen ini pindah ke Jakarta, adalahJakarta menawarkan kesempatan kerja bagi siapa saja yang mau bekerja. Karena di desa tak ada pekerjaan yang dapat menampung golongan muda, kaum migran meninggalkan desa menuju Jakarta. Pola migrasi masuk ke Jakarta tidak dipengaruhi oleh kemungkinan golongan muda mampir di kota-kota kecil sebelum tiba di Jakarta. Keberanian dan tekad bulat meninggalkan desa asal didorong pula oleh sumber cerita tentang Jakarta (saudara/kenalan) yang juga mengalami bahwa setiba di Jakarta mereka akan langsung bekerja. Pendidikan rendah, tidak memiliki ketrampilan, orang petani/buruh tani, merupakan bagian kecil latar tua belakang sosial migran pedagang kaki lima. Memperoleh pekerjaan apa saja asal halal pada mulanya, tempat tinggal dimana saja, modal kecil dan pendapatan harian yang rendah juga mewarnai hidup para migran pedagang kaki lima di Jakarta. Namun sekalipun demikian mereka tetap hidup, bahkan dapat mengirim uang ke desa asal, pulang ke desa minimum setahun sekali dan sedikit-sedikit mampumenabung. Bekerja sebagai pedagang kaki lima sudah ditekuni selama lebih dari lima tahun bahkan ada yang lebih dari tujuh tahun. Inipun dimulai setelah minimum selama dua tahun migran mengerjakan apa saja di Pasar Senen: yang penting dapat uang dan bisa hidup di Jakarta. Bahkan modal membuka usaha kaki lima diperoleh dari selama bekerja mula-mula itu. untuk pengumpulan upah Sekalipun terdapat kenaikan tingkat kehidupan sosial di kota dibandingkan dari desa, kaum migran pedagang lima di Pasar Senen ini tetap berada bawah kota. di kaki bawah sirkuit Ikatan-ikatan baru di kota hampir tidak terjadi kecuali ikatan-ikatan kedaerahan yang terus dipertahankan.
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