Judul: Konsumsi Minyak Sawit Mentah (MSMn) Dapat Diterima dan Memperbaiki Profil Lipid serta Menurunkan Kadar C-Reactive Protein (C-RP) Plasma Ibu Usia Produktif Di Kecamatan Dramaga Kabupaten Bogor.
Abstrak: Crude palm oil (CPO) contains carotenoids, including beta carotene around 400-1000 ppm as provitamin A and vitamin E (tocopherol and tocotrienol) around 559-1000 ppm. Fatty acid composition of red palm oil consists of 50% saturated fatty acids and 50% unsaturated fatty acids. Unsaturated fatty acids in red palm oil can up regulate LDL cholesterol receptors there by increasing catabolism of LDL cholesterol. Tocotrienols in palm oil can inhibit 3-hydroxy-3- methylglutaryl coenzyme A (HMG-CoA) reductase in cholesterol biosynthetic pathway. Beta carotene and vitamin E in red palm oil are powerful antioxidant against free radicals. C-reactive protein (C-RP) is a marker of inflammation, the antioxidants in red palm oil can reduce the incidence of inflammation. The purpose of this study was to determine the acceptance of CPO as cooking oil and the effect of its consumption on lipid profile and C-reactive protein. Subjects total of 151 families, including 508 respondents were given 140 ml CPO in plastic bottle weekly for 2 months freely. The distribution was accompanied with socialization of oil benefit and utilization with five types of questionnaires. For plasma analysis, blood from 33 mothers of childbearing age were withdrawn before and after oil distribution and analyzed for C-reactive protein and lipid profile. The oil was accepted by the respondent and used as cooking oil. The results showed that consumption of red palm oil reduce absorbance levels of CRP from 0,111 to 0,103, total cholesterol from 168,3 mg/dL to 158,0 mg/dL, LDL cholesterol from 98,7 mg/dL to 81,1 mg/dL, ratio total cholesterol:HDL from 4,3 to 3,5 and increase HDL cholesterol from 41,5 mg/dL to 45,6 mg/dL was significantly (p <0.05), but not significantly lower triglyceride levels
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Judul: Penerimaan Konsumsi Minyak Sawit Mentah dan Pengaruhnya Terhadap Aktivitas Enzim Antioksidan Sel Darah Merah Responden di Kecamatan Dramaga Bogor
Abstrak: Crude palm oil (CPO) is red colored oil derived from palm fruit husk. CPO contains 500-700 pmm β-carotene, 600 ppm vitamin E, ubiquinone, squalene, and lutien which functioned as antioxidants. These antioxidants can modulate antioxidant enzymes such as superoxide dismutase and catalase to ward off free radicals. However, the use of this oil is still scarce as a source of antioxidant. The objectives of this research were to investigate the consumption acceptance of crude palm oil and its effect on antioxidant enzymes activity. Seventy eight respondents from low income families were selected to receive 140 ml CPO / week for 2 month. The distribution activities were monitored using questionnaires to determine consumer acceptance of the product. Blood from twenty two respondents, consisting of productive-aged women, was withdrawn before and after consumption and the erythrocyte was analyzed for activity of superoxide dismutase using nitro blue tetrazolium reduction assay and catalase spectrophotometrically. The results showed that product was accepted by 96 – 100 % respondents after two weeks until two months consumption. The erythrocyte SOD increased from 4.592 ± 1.336 U/mg protein to 4.767 ± 1.222 U/mg protein and catalase increased from 1018.911 ± 0.055 to 1219.607 ± 0.065 Unit/mg protein (mean ± SD) after consumption of approximately 3.771 ml CPO/person/day. From this research we can conclude that intervention with CPO for two months not only change and improve the knowledge of respondent about natural antioxidant, but also can increase the activity of antioxidant enzyme in human erythrocyte.
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Judul: Closed Knight’s Tour pada Papan Catur Berbentuk Persegi Panjang dengan Ukuran Maksimal 8 × 8
Abstrak: Closed Knight’s Tour merupakan langkah kuda yang mengunjungi setiap kotak pada papan catur tepat satu kali dengan langkah kuda berawal dan berakhir pada kotak yang sama. Graf yang terbentuk dari closed knight’s tour dinotasikan sebagai graf G(m,n), dengan m adalah banyaknya baris dan n adalah banyaknya kolom. Graf tersebut memuat Hamiltonian cycle. Sebuah graf terhubung G adalah graf bipartite jika dan hanya jika graf tersebut tidak memiliki cycle dengan panjang ganjil. Papan catur yang memenuhi syarat cukup untuk memiliki closed knight’s tour adalah papan catur berukuran 5 × 6, 5 × 8, 6 × 6, 6 × 7, 6 × 8, 7 × 8, dan 8 × 8.
Keyword: bipartite, closed knight’s tour, hamiltonian cycle, knight’s tour, teori graf