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 Blood from twenty two respondents, consisting of productive-aged women, was withdrawn before and after consumption and the erythrocyte was analyzed for activity of superoxide dismutase using nitro blue tetrazolium reduction assay and catalase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: Penerimaan Konsumen Setelah Mengkonsumsi Minyak Sawit Mentah (MSMn) Dan Pengaruh Konsumsi Terhadap Kapasitas Antioksidan Plasma Dan Eritrosit Di Kecamatan Dramaga, Kabupaten Bogor.
Abstrak: Vitamin A deficiency is a common problem in the world especially in developing countries including Indonesia. A solution to overcome this problem is through food consumption diversification consisted of high vitamin A or pro-vitamin A. Indonesia has been being the largest crude palm oil (CPO) producer in the world since 2006. CPO contains 500-700 ppm carotenoids compound functioning as pro-vitamin A, especially due to β-caroten content. SawitA program is a program to overcome vitamin A deficiency in Indonesia by using palm oil based product called sawitA. This program had been conducted for two months. During this program, the respondents were given free products. Crude palm oil also has potential function as antioxidant because of its carotenoids, tocopherol, and tocotrienol contents. This research is a part of SawitA program that focused on analyzing product acceptance, total plasma antioxidant capacity, and erythrocyte antioxidant capacity. Product acceptance analysis is done by home-used test method with 75 respondents in sub-district of Dramaga. Total plasma antioxidant capacity was done in 35 respondents and was analyzed by total antioxidant kit from SIGMA, meanwhile erythrocytes antioxidant capacity was analyzed by DPPH scavenged antioxidant activities method. The results showed that product was accepted 88-100% by respondents with “like” category toward taste, odor, color, and over all attributes after two weeks until two months consumption. The total plasma antioxidant capacity average increases from 0,2285±0,0644 mM to 0,3081±0,0317 mM/ after interventions. The erythrocytes antioxidant capacity average also increases from 35,16% to 46,36% after interventions. The results of t-test with 5% level of significance showed that it was significant (P=0,000) for total plasma antioxidant capacity and erythrocytes antioxidant capacity respectively. The increasing of this antioxidant capacity is estimated as the effect of antioxidant compounds activities in sawitA product such as carotenoids and vitamin E.
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Judul: Formulasi Hamiltonian untuk Menggambarkan Gerak Gelombang Soliter Dimensi Tiga di Permukaan Laut
Abstrak: Gelombang permukaan adalah gelombang yang terjadi perbedaan rapat massa antara air dan udara. Salah satu gelombang permukaan yang ditinjau adalah gelombang soliter. Formulasi gelombang soliter dilakukan dengan menggunakan formulasi Hamiltonian.
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