Judul: Perkembangan subsektor perikanan dalam perekonomian kabupaten selayar 1993-2005
Abstrak: Secara umum kondisi kabupaten Selayar merupakan salah satu kabupaten maritim dalam wilayah negara kepulauan Republik Indonesia. Berdasarkan kondisi hidro-oseanografi dan morfogenesa, perairan kabupaten Selayar memiliki suatu keunikan sebagai kawasan perairan. Letak perairan dengan cakupan areal yang cukup luas seperti selat Makassar, laut Flores, laut Maluku dan teluk Bone memungkinkan pertukaran massa air yang berdampak optimal pada sirkulasi nutrien, menjadikan perairan ini subur dan dihuni oleh berbagai jenis ikan dengan nilai ekonomi yang tinggi.
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Judul: Optimasi Perikanan Layang di Kabupaten Selayar Propinsi Sulawesi Selatan
Abstrak: Scads is a potential fishing resources in Selayar regency. The production of scads fishery landed in Selayar regency was 31.5 ton in 2006. The objectives of the research are 1) to determine priority of catching technology development for scads fish in Selayar district; 2) optimum allocation of scads fish catching unit in Selayar district; and 3) to determine development strategy of scads fishery. Survey method and direct observation was used in research methodology. Some analysis used in this research were 1) Scoring method, to determine the best of scads fishing technology pursuant to biological, tehnical, sosial, economical aspects and environmentally friendly; 2) LINDO analysis was used to determine optimum allocation in scads fish catching unit; and 3) SWOT analysis was used to determine development strategy of scads fishery. The result of this research is that the scads purse seine fishing technology become the most effective, efficient and suistainable. Optimum number allocation of scads fish catching unit used in Selayar district waters is 61 units of purse seine. The development strategy of scads fishery at Selayar district are (1) Optimizing scads fishery; (2) Operating economical oil consumption fishing unit; (3) Capital effort with low interest are available; and (4) Improvement of stakeholders and public function in fishing gear operation controlling.
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Judul: Penapisan Inhibitor Tirosinase pada Empat Spesies Famili Asteraceae Chrysantemum morifolium R, Gerbera jamesonii A, Dahlia rosea Cav, dan Tagetes erecta.
Abstrak: The research was conducted to screen the potency of tyrosinase inhibitor from 4 species of Asteraceae family. The screening was performed on the leaves and flowers of Chrysantemum morifolium R, Gerbera jamesonii A, Dahlia rosea Cav, and Tagetes erecta. The samples were dried and then extracted with nhexane, ethyl acetate, and methanol. The inhibition activity was tested by a microplate reader spectrophotometer in 492 nm. The ethyl acetate extract of D. rosea Cav flower was the most potent tyrosinase inhibitor (IC50 for monophenolase 18.42 μg/mL and for diphenolase 687.79 μg/mL) compared with the other Asteraceae species. The most active essential oils as inhibitor of tyrosinase was obtained from T. erecta flower (IC50 for monophenolase 1882.62 μg/mL and for diphenolase 1884.33 μg/mL). Positive control used was kojic acid with IC50 value of 11.02 μg/mL for monophenolase and 84.19 μg/mL for diphenolase. Fractionation of the extract by preparative thin layer chromatography with chloroform as mobile phase gave 12 fractions. The most active fraction had IC50 of 5.55 μg/mL for monophenolase and 109.96 μg/mL for diphenolase, and was identified as flavonoid.
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