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Perbaikan Mutu dan Peningkatan Produksi Ikan Mas Koki (Carrasius auratus) Melalui Rekayasa Set Kromosom Hartono, Dwi Puji; Purbosari, Ninik
Jurnal Penelitian Pertanian Terapan Vol 10, No 3 (2010)
Publisher : Politeknik Negeri Lampung.

The prominent purpose this experiment was producing superior quality of Carasius auratus, which is have to growth faster and good morphology. While particular purpose was to know temperature level effect on triploidisation on individual triploid (3n) formation of Carasius auratus and to find suitable spawning method /combination in Carasius auratus propagation but settle make high productivity. Spawning was conducted using induce breeding. Carasius auratus was spawn with support by hormone stimulation. Triploidisation was using heat shock to achieve triploid fish (3n). The same procedure was conducted to control. Heat shock temperature level was 40, 41 and 42oC. Result of this experiment showed that fish on heat shock 40oC given individual triploid presentation high more than fish on heat shock 41 and 42o C. Where as control was 100% of individual diploid. Hatching and larvae survival rate were shown value lower than control without heat shock. Keywords: Carasius auratus, quality, triploidisation

Ekstraksi Senyawa Antibakteri dari Chlorella Sp. Max R. Wenno; Ninik Purbosari; Johanna L. Thenu
Jurnal Penelitian Pertanian Terapan Vol 10 No 2 (2010)
Publisher : Politeknik Negeri Lampung.

Some bioactive compounds are produced by microalgae. One of them is antibacterial compounds that produced by Chlorella sp which is result of secondary metabolit. This compound called Chlorellin which is mixed of fatty acid. The experiment was conducted to extraction of bioactive compound and was knew antibacterial activity of Chlorella sp. Based to antibacterial activity assay, the crude extract of Chlorella sp. has been pursued growth of sampel bacteria : E.coli, S.aureus, A.hydophyla, P. Aeruginosa and V. Harveyi. This antibacterial activity marked with the forming of transparent zona is around paper disc on the agar media. Keywords: Chlorella, extraction, antibacterial compound

Perbaikan Mutu dan Peningkatan Produksi Ikan Mas Koki (Carrasius auratus) Melalui Rekayasa Set Kromosom Dwi Puji Hartono; Ninik Purbosari
Jurnal Penelitian Pertanian Terapan Vol 10 No 3 (2010)
Publisher : Politeknik Negeri Lampung.

The prominent purpose this experiment was producing superior quality of Carasius auratus, which is have to growth faster and good morphology. While particular purpose was to know temperature level effect on triploidisation on individual triploid (3n) formation of Carasius auratus and to find suitable spawning method /combination in Carasius auratus propagation but settle make high productivity. Spawning was conducted using induce breeding. Carasius auratus was spawn with support by hormone stimulation. Triploidisation was using heat shock to achieve triploid fish (3n). The same procedure was conducted to control. Heat shock temperature level was 40, 41 and 42oC. Result of this experiment showed that fish on heat shock 40oC given individual triploid presentation high more than fish on heat shock 41 and 42o C. Where as control was 100% of individual diploid. Hatching and larvae survival rate were shown value lower than control without heat shock. Keywords: Carasius auratus, quality, triploidisation

PROSES RECOVERY DAN PEMEKATAN BAHAN PENYEDAP DARI LIMBAH CAIR PENGOLAHAN RAJUNGAN DENGAN OSMOSIS BALIK Uju Uju; Bustami Ibrahim; Wini Trilaksani; Tati Nurhayati; Ninik Purbosari
Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 4, No 2 (2009): Desember 2009
Publisher : Balai Besar Riset Pengolahan Produk dan Bioteknologi Kelautan dan Perikanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jpbkp.v4i2.450

Recovery dan pemekatan bahan penyedap dari limbah cair pengolahan rajungan dilakukan dengan membran osmosis balik. Tekanan transmembran (transmembrane pressure) dan suhu memberikan pengaruh signifikan terhadap fluks permeat (flux permeate). Semakin tinggi suhu maka fluks permeat akan semakin meningkat, sedangkan kenaikan tekanan transmembran hanya dapat meningkatkan fluks pada tekanan kurang dari 7.16 kPa. Sementara itu nilai rejeksi protein selama recovery tidak signifikan dipengaruhi oleh parameter operasi tekanan transmembran, suhu, dan pH. Selama pemekatan berlangsung, fluks mengalami penurunan secara eksponensial. Pada faktor konsentrasi 2,75 dihasilkan konsentrat protein 79% dan Non Protein Nitrogen (NPN) 12%. Kadar asam-asam amino bahan dapat ditingkatkan 2-23 kali dari semula, bahkan asam amino arginin dan sistin yang awaInya tidak terdeteksi pada akhir proses pemekatan terdeteksi masing-masing dengan kadar 0,036 dan 0,025% (b/v).

Effect of Harvest Age and Solvents on the Phenolic Content of Eucheuma cot-tonii Extract Purbosari, Ninik; Warsiki, Endang; Syamsu, Khaswar; Santoso, Joko
Makara Journal of Science Vol. 24, No. 3
Publisher : UI Scholars Hub

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Bioactive compounds in Eucheuma cottonii include phenols or polyphenols with antioxidant, antibacterial, and antiviral properties. Seaweed quality, including phenolic content, is highly determined by several factors, including the growth location, cultivation technique, and harvest age. This study aimed to determine the effect of harvest age and solvent type on the phenolic content of E. cottonii. The effects of harvest age on water content and of simplicia on the extraction process were also determined. Phenolic active ingredients were extracted at three harvest ages (35, 40, and 45 days) and using four solvents (ethanol, ethyl acetate, hexane, and water). Analysis of variance was performed to determine the effects of both factors and their interactions. The older the seaweed, the lesser the water content. The powder produced at all ages is a good simplicia for materials extraction. Results showed that high phenolic content was obtained from the E. cottonii extract at the age of 35 days with ethyl acetate as the solvent.

Analisis Kelayakan Usaha Budidaya Udang Vanname (Litopenaeus vannamei) di Keramba Jaring Apung Laut Witoko, Pindo; Purbosari, Ninik; Noor, Nuning Mahmudah
MANAJEMEN IKM: Jurnal Manajemen Pengembangan Industri Kecil Menengah Vol. 13 No. 2 (2018): Manajemen IKM
Publisher : Institut Pertanian Bogor

Pacific white shrimp is one of the primadona of fishery commodities. The development of Pacific white shrimp can be done by using floating net cage (FNC). Shrimp culture in sea floating net cage is the one of alternative aquaculture of environmentally friendly shrimp cultivation and potentially become applicative technology of shrimp farming in the future. The aims of this study were to know the feasibility of white shrimp culture in sea floating net cage. The study was conducted by using descriptive and analytic method with 18 pieces of cage. Analysis of the feasibility using net present Value (NPV),Internal Rate of return (IRR), Net Benefit-Cost Ratio, Gross Benefit-Cost Ratio, Payback Period (PBP), and Break Even Point (BEP). The study result show that the NPV is IDR 43,315,360.00; IRR is 21.47%; net B/C ratio is 5.11, gross B/C ratio is 3.71; PBP is 6 months and 9 days and BEP is 1,837.82 kg of shrimp biomass or IDR 147,025,891.18 of the value of sales. The final result of feasibility analysis of shrimp culture in sea floating net cage is feasible to run.

BUDIDAYA IKAN LELE DAN DIVERSIFIKASI PRODUK OLAHAN IKAN LELE DI PESANTREN PUTRA PUTRI YATIM DARUL AITAM DESA BANJARAGUNG JATIAGUNG LAMPUNG SELATAN Indariyanti, nur; Purbosari, Ninik; Febriani, Dian; Verdian, Aldi Huda
Jurnal Pengabdian Nasional Vol 3 No 1 (2022)
Publisher : Politeknik Negeri Lampung

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Darul Aitam Yatim Islamic Boarding School is an educational and social institution for orphans, aiming to provide adequate housing and education for orphans and try to meet their needs well. The boarding school is located in Banjaragung Village, Jatiagung District, South Lampung Regency, Lampung Province. The number of students at the end of 2020 was 248 students. The purpose of this service activity is to increase the knowledge, insight, and skills/skills of the students at the Putra Putri Yatim Darul Aitam Islamic Boarding School by providing training on catfish cultivation in buckets for male students and training on making processed catfish-based products (fish nuggets, fish balls, sempol fish, fish rolls) for female students. The method used is the lecture method, practice, discussion, and question and answer. The achievements of service activities at the Darul Aitam Putra Putri Yatim Islamic Boarding School include the enthusiasm of male and female students in participating in very high activities, can provide entrepreneurial motivation as a strengthening of independent business, and can increase knowledge, insight, and skills/skills for processing catfish-based products for female students and for male students they can cultivate catfish in buckets for entrepreneurship.

PEMBERDAYAAN WANITA WARGA BINAAN LEMBAGA PEMASYARAKATAN KLAS II A BANDAR LAMPUNG MELALUI BUDIDAYA IKAN HIAS DAN PENGOLAHAN RUMPUT LAUT Indariyanti, Nur; Purbosari, Ninik; Febriani, Dian; Huda Verdian, Aldi
Jurnal Pengabdian Nasional Vol 3 No 2 (2022)
Publisher : Politeknik Negeri Lampung

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Lembaga Pemasyarakatan Wanita Kelas II A Bandar Lampung terletak di Desa Way Hui, KabupatenLampung Selatan. Sebagian besar warga binaan masih dalam usia produktif, pada rentang usia 20-50tahun. Hal ini potensial karena Warga Binaan Pemasyarakatan (WBP) merupakan salah satu bagiandari masyarakat yang juga perlu mendapat perhatian di bidang alih teknologi atau keterampilan. Olehkarena itu, perlu dilakukan pemberdayaan dengan memberikan pelatihan. Tujuan kegiatan ini adalahuntuk memberikan pengetahuan dan keterampilan melalui pelatihan dan demonstrasi pembuatanproduk olahan rumput laut dan budidaya ikan hias, serta memberikan stimulan untuk saranapengolahan ikan dan budidaya ikan hias. Metode yang digunakan adalah metode ceramah, diskusi,dan praktik. Capaian kegiatan pengabdian ini antara lain antusiasme peserta yang ditunjukkandengan tingkat partisipasi 100%. Hasil evaluasi kegiatan menunjukkan bahwa penyerapan materi danketrampilan dalam budidaya ikan hias mengalami peningkatan dari 46,67% menjadi 81,94% danpenyerapan pengetahuan dan ketrampilan pengolahan rumput laut mengalami peningkatan dari62,01% menjadi 92,29% atau meningkat sebesar 30,28%. Hal ini menunjukkan bahwa penyuluhanyang dilakukan dapat diserap dengan cukup baik oleh peserta dan dapat menambah pengetahuan,dan keterampilan peserta serta dapat memberikan motivasi berwirausaha sebagai penguatan usahamandiri.

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