Judul: Komposisi Asam Lemak, Kolesterol, dan Deskripsi Jaringan Fillet Ikan Kakap Merah (Lutjanus argentimaculatus) Segar dan Goreng
Abstrak: Red Snapper (Lutjanus argentimaculatus) is a type of fish that usually consumed by people. The aim of this research was to determine the composition of fatty acid, cholesterol and tissues description on fresh and fried of red snapper fillet. Fresh red snapper had mosture content 79.31%, 1.92% ashes, 16.30% protein, 0.05% fat and carbohydrates 0.23%. Then after frying, the mosture changed into 62.49%, ashes 1.98%, protein 28.40%, fat 2.17%, and carbohydrates 5.62%. The highest compound of saturated fatty acid on red snapper were myristic acid (C14:0), palmitic acid (C18:0), and stearic acid (C18:0). The highest compound of monounsaturated fatty acid were palmitoleat acid (C16:1) and oleic acid (C18:1). The highest compound of polyunsaturated fatty acid were linoleic acid (C18:2), linolenat acid (C18: 3), arakidonat acid (C20:4), EPA (C20:5) and DHA (C22:6). Cholesterol content has changed of 20 mg/ 100 g to 60 mg/ 100 g after frying. Tissues structure of fresh red snapper seemed not compact because of decline quality meat, but fried flesh of red snapper seemed more compact.
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Judul: Profil Asam Lemak, Kolesterol Dan Jaringan Skin On Fillet Ikan Kakap Putih (Lates calcarifer) Segar dan Setelah Proses Deep frying.
Abstrak: Ikan kakap putih (Lates Calcarifer) merupakan komoditas yang banyak dimanfaatkan di Indonesia. Salah satu cara pengolahan yang umum dilakukan masyarakat pada ikan kakap putih adalah dengan cara digoreng. Tujuan penelitan ini adalah menentukan pengaruh proses penggorengan dengan metode deep frying pada suhu 160 ᵒC dan suhu 180 ᵒC selama 5 menit pada kadar proksimat, asam lemak, kolesterol dan jaringan ikan kakap putih. Proses penggorengan menurunkan kadar air, abu dan protein serta meningkatkan kadar lemak. Proses penggorengan meningkatkan kadar asam lemak palmitat, oleat dan linoleat. Asam lemak secara keseluruhan mengalami penurunan setelah proses penggorengan. Fillet segar mengandung 1,07% EPA dan 5,17% DHA, Fillet goreng 160 ᵒC mengandung 0,36% EPA dan 1,07% DHA serta fillet goreng 180 ᵒC mengandung 0,01% EPA dan 0,54% DHA.
Keyword: Asam lemak, ikan kakap putih, kolesterol, proses penggorengan.

Judul: A Continuous Vaccination Strategy in the SVIR Epidemic Model
Abstrak: Vaccination is conducted to minimize the spread of a disease. The vaccination is usually done several times within a fixed time interval. In the SVIR model, it is assumed that individuals do not get immediate immunity following a vaccination program. So according to process of vaccination on SVIR model, there are two strategies, i.e. the continuous vaccination strategy (CVS) and the pulse vaccination strategy (PVS). In this study, only the CVS strategy in epidemic model SVIR is considered. Results of the study indicate that dynamics of the CVS system depends on the basic reproductive number. If the basic reproductive number is less than one, then the disease-free fixed point is asymptotically stable. It means that the disease will eventually disappear from the population. Conversely, if the basic reproductive number is greater than one, then the endemic fixed point is asymptotically stable, which means that the disease will remain exist in the population. Simulation result shows that the vaccination would minimize the spread of disease by reducing the basic reproductive number. If the time for the vaccinated recipients to obtain the immunity, as well as a possibility of vaccinated recipients to be infected are neglected, then the disease will be eradicated. This condition is called an over-evaluating effect of vaccination.
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