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Nurjanah Nurjanah
Departemen Teknologi Hasil Perairan, FPIK IPB University
Agriculture, Biological Sciences & Forestry

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Efektivitas Karbon Aktif dalam Pembuatan Garam Rumput Laut Cokelat (Sargassum polycystum dan Padina minor): Effectiveness of Active Carbon in the Production of Brown Seaweed Salt (Sargassum polycystum and Padina minor) Shindy Hamidah Manteu; Nurjanah Nurjanah; Asadatun Abdullah; Tati Nurhayati; Anggrei Viona Seulalae
Jurnal Pengolahan Hasil Perikanan Indonesia Vol 24 No 3 (2021): Jurnal Pengolahan Hasil Perikanan Indonesia 24(3)
Publisher : Masyarakat Pengolahan Hasil Perikanan Indonesia (MPHPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17844/jphpi.v24i3.26692

Abstract

Brown seaweed has the potential to be developed as a source of salt for hypertension, but the distinctive aroma of seaweed is still an obstacle in the final product. Activated carbon is a non-toxic material that can be used to reduce the aroma of S. polycystum and P. minor salts . The purpose of this research is to determine the concentration of activated carbon in the process of making S. polycystum and P. minor salts to produce salt that is acceptable to the public. The method used with different concentrations of activated carbon (0%, 0.50%, 0.75%, 1%, 1.25%, 1.50% (w/v)) in the salt making process ,Sensory test of aroma and characterization of seaweed salt. Salt characteristics include mineral content (Mg, Fe, Ca, Na, K), Na:K ratio, NaCl content and antioxidant activity. The optimum activated carbon concentration of S. polycystum salt is 1.50% with Mg 29.24 mg/g; Fe 0.15 mg/g; Ca 27.66 mg/g; Na:K ratio 0.87 mg/g; NaCl 33.87%; antioxidant activity 201.0 mg/L. The optimum concentration of activated carbon of P. minor salt is 1% with Mg 39.05 mg/g; Fe 0.03 mg/g; Ca 32.28 mg/g; Na:K ratio 1.97 mg/g; NaCl 28.34% and antioxidant activity 111.39 mg/L.
Ekstraksi Kolagen Kulit Ikan Tuna Sirip Kuning (Thunnus albacares) menggunakan Enzim Pepsin dan Papain: Collagen Extraction of Yellowfin Tuna (Thunnus albacares) Skin Using Pepsin and Papain Nurjanah Nurjanah; Taufan Ichza Baharuddin -; Tati Nurhayati
Jurnal Pengolahan Hasil Perikanan Indonesia Vol 24 No 2 (2021): Jurnal Pengolahan Hasil Perikanan Indonesia 24(2)
Publisher : Department of Aquatic Product Technology IPB University in collaboration with Masyarakat Pengolahan Hasil Perikanan Indonesia (MPHPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17844/jphpi.v24i2.35410

Abstract

Kolagen merupakan senyawa protein rantai panjang yang tersusun atas asam amino alanina, arginina, lisina, glisina, prolina, serta hiroksiprolina. Kolagen merupakan protein jaringan ikat yang dapat dihasilkan dari limbah kulit ikan. Tujuan penelitian ini untuk menentukan karakteristik kolagen yang diekstraksi dengan metode enzimatis. Metode penelitian terbagi menjadi dua tahap yaitu tahap ekstraksi enzim pepsin dari lambung ikan tuna sirip kuning dan tahap ekstraksi kolagen kulit tuna dengan metode enzimatis. Enzim pepsin yang diekstraksi dari lambung tuna sirip kuning memiliki nilai aktivitas spesifik 8.680 U/mg. Waktu perendaman dengan NaOH terbaik adalah 12 jam. Waktu hidrolisis kulit dengan asam asetat terbaik adalah 72 jam. Kolagen larut papain memiliki bobot molekul 310 kDa, gugus fungsi amida A, B, I, II, dan III,dengan rendemen 2,13%. Kolagen larut pepsin sebagian memiliki bobot 328 kDa, gugus fungsi amida A, I, II, dan III, dengan rendemen 0,8%.
Karakteristik Fraksi Aktif Biopigmen Fukosantin Rumput Laut Cokelat sebagai Antioksidan dan UV-protector: Characteristics of Fucoxanthin’s Active Fraction from Brown Seaweeds Biopigments as Antioxidants and UV Protectors Asadatun Abdullah; Nurjanah Nurjanah; Ade Irma Suryani Nasution
Jurnal Pengolahan Hasil Perikanan Indonesia Vol 24 No 1 (2021): Jurnal Pengolahan Hasil Perikanan Indonesia
Publisher : Masyarakat Pengolahan Hasil Perikanan Indonesia (MPHPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17844/jphpi.v24i1.35411

Abstract

Padina sp. and Sargassum sp. contains pigment namely fucoxanthins and have antioxidants, anticarcinogenic, and anti-UV. The objectives of this study were to determine the optimal concentration of acetone to produce the best fucoxanthin active fraction with antioxidant, total phenol, SPF value functions as well as to identify the profile of the compound with LC-MS/MS. Seaweeds were immersed in 10% DMSO before extracted with 80% and 90% acetone solvent. The results of antioxidant DPPH, FRAP, and ABTS were Padina sp. of 153.55 ppm, 94.22 μmol Fe2+/g, 66.43 ppm (80% acetone) and 65.76 ppm, 93.11 μmol Fe2+/g, 78.33 ppm (90% acetone); Sargassum sp. of 131.37 ppm, 103.67 μmol Fe2+/g, 57.29 ppm (80% acetone) and 103.24 ppm, 71.72 μmol Fe2+/g, 61.45 ppm (90% acetone). Total phenol of 80% dan 90% acetone from Padina sp. were 675.48 mg GAE/g and 852.90 mg GAE/g; Sargassum sp. of 565.81 mg GAE/g and 135.16 mg GAE/g. SPF value with optimal concentration 50 mg/mL had resulted of Padina sp. by 9.08 (80% acetone) and 17.10 (acetone 90%); Sargassum sp. of 7.56 (acetone 80%) and 3.56 (acetone 90%). Acetone 80% is the optimal solvent to produce the best fucoxanthin active fraction with the highest characteristics of yield, antioxidant activity, total phenol content, and SPF value.
Peningkatan Mutu Ikan Keumamah Loin Aceh dari Cakalang (Katsuwonus pelamis) menggunakan Daun Kari (Murraya koenigii): Quality Improvement of Keumamah Loin Aceh Fish from Skipjack Tuna (Katsuwonus pelamis) using Curry Tree Leaves (Murraya koenigii) Muhammad Nur Fajri; Nurjanah Nurjanah; Uju Uju
Jurnal Pengolahan Hasil Perikanan Indonesia Vol 24 No 3 (2021): Jurnal Pengolahan Hasil Perikanan Indonesia 24(3)
Publisher : Masyarakat Pengolahan Hasil Perikanan Indonesia (MPHPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17844/jphpi.v24i3.37135

Abstract

Keumamah loin is a semi-wet wood fish with one to two days of sun drying, with soft meat texture, specific aroma and easily degradation in quality. Curry tree (Murraya koenigii) contain many bioactive compounds that serve as antioxidants. The Study was aimed to find out the effect of curry leaf extract, temperature, and drying time on the quality of keumamah loin and the effectiveness of curry tree as antioxidant. The study used complete randomized factorial design experimental method with different curry tree leaf extract levels (0% and 10%), temperature (40°С and 60°С), and time (8 hours and 12 hours). The observed parameters were proximate levels, water activity values (aw), and thiobarbituric acid (TBA). The results showed the use of curry tree leaves, temperature, and drying time did not have effect on proximate levels and water activity with protein 28.22–32.1%, fat 2.72–4.60%, ash 2.70– 4.52%, water 35.10–50.43% and water activity 0.84–0.87. However, the use of curry tree leaves affects the number of thiobarbituric acid (TBA). The use of 10% curry tree leaves, 40°С temperature, and 8 hours is the best treatment which has the lowest TBA 0.40±0.003 mg malondialdehyde/kg. The use of curry tree leaves, temperature, and drying time can inhibit the lipids oxidation process in the products of keumamah loin.
Pemetaan dan Alternatif Pemanfaatan Limbah Cangkang Rajungan di Indonesia: Mapping and Alternative Utilization of Shell Crab Waste in Indonesia Kiki Puspita Amalia; Meti Ekayani; Nurjanah Nurjanah
Jurnal Pengolahan Hasil Perikanan Indonesia Vol 24 No 3 (2021): Jurnal Pengolahan Hasil Perikanan Indonesia 24(3)
Publisher : Masyarakat Pengolahan Hasil Perikanan Indonesia (MPHPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17844/jphpi.v24i3.37436

Abstract

Pasteurized crab meat is one of the largest fishery export commodities in Indonesia. Fish Processing Unit (FPU) receives raw materials in the form of whole crab from the miniplant, thus leaving a fairly large crab waste because about 50-60% of the crab is the shell. Previous research has informed that crab waste has potential utilization and it can increase the economic value of the crab waste. This study aims to map the supply chain related to the use of crab waste, including calculate waste potential, economic value and identify alternative uses of crab waste. The method used is a qualitative descriptive, benefit transfer, and income analysis. The result of this study represent supply chain mapping of crab waste utilization in 8 provinces based on 37 FPU and 148 miniplant on 9 provinces that supply raw materials. Based on the main choice of alternative utilization by respondents, the number of shells available in each province and the high economic value of chitosan, shell waste has great potential used as chitosan.
Co-Authors . Uju Ade Irma Suryani Nasution Anggrei Viona Seulalae Asadatun Abdullah Kiki Puspita Amalia Meti Ekayani Muhammad Nur Fajri Shindy Hamidah Manteu TATI NURHAYATI Taufan Ichza Baharuddin -