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Effect of Ultrasonic Assisted Extraction with Ethanol for Removing Lipid on Catfish (Pangasius sp.) Skin as a Collagen Source and Its Characteristics Maulida Agustina; Patmawati Patmawati; Shofy Mubarok; Laksmi Sulmartiwi; Diah Anggraini Wulandari; Khadijah Zai; Raseetha Siva; Dwi Yuli Pujiastuti; Dwitha Nirmala; Money Carattri Kusuma Werdani; Oemar Moechthar; Mohamad Akmal Alwi Husein
Jurnal Ilmiah Perikanan dan Kelautan Vol. 16 No. 1 (2024): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v16i1.46061

Abstract

Abstract Fish skin is rich in collagen (80%-90%). However, catfish (Pangasius sp.) skin has a high lipid content, which can reduce the quality of collagen. Therefore, treatment is needed to remove the lipid using ultrasonic assisted extraction (UAE) with ethanol. Hence, the aim of the present study was to remove lipid content from catfish skin as a raw material for collagen by using UAE with different concentrations of ethanol (25, 50, and 75%). The research was conducted in three stages: removing impurities, collagen extraction, and characterization of collagen. The result exhibited that UAE-ethanol treatment was capable of removing up to 85.6% of lipid content, and the produced collagen had the potential to be utilized as an alternative source of collagen based on its properties. Highlight Research Ethanol could be used as extractor of lipid from catfish skin of Pangasius Ultrasonic assisted extraction could increase efficiency of lipid extraction from catfish skin. Fish skin of Pangasius sp. has a potential source for collagen. Collagen from skin of Pangasius sp. has a good characteristic with high protein content.
KARAKTERISASI KARAGINAN PADA RUMPUT LAUT MERAH (Chondrus crispus) YANG DI EKSTRAKSI MENGGUNAKAN KONSENTRASI KALIUM HIDROKSIDA (KOH) BERBEDA Sapto Andriyono; Naufal Rifqi Pratama; Patmawati Patmawati
Jurnal Perikanan Unram Vol 12 No 2 (2022): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v12i2.286

Abstract

Karaginan merupakan polisakarida yang diekstraksi dari beberapa spesies rumput laut merah penghasil karaginan atau karaginofit. Sumber bahan karaginan terbesar saat ini dapat ditemukan pada spesies rumput laut Eucheuma spinosum dan Eucheuma cottoni. Tujuan dari penelitian ini yaitu untuk menganalisis karakteristik karaginan setelah penambahan konsentrasi KOH dan menghasilkan karaginan berdasarkan uji rendemen. Metode eksperimen pada penelitian ini menggunakan Rancangan Acak Lengkap. Perlakuan yang diberikan yaitu pada konsentrasi KOH (10%, 12%, dan 14%). Hasil menunjukkan penambahan konsentrasi KOH dapat meningkatkan rendemen karaginan pada konsentrasi 12%. Penambahan konsentrasi KOH 12% mendapatkan hasil rendemen sebesar 2.43%. Hasil proksimat pada bahan baku rumput laut yang digunakan, yaitu kadar protein 14.68%, lemak 0.4%, karbohidrat 18.8%, air 7.4%, dan abu 46.43%.
Studi Kebutuhan Bahan Baku Industri Pengolahan Ikan Skala Mikro di Kabupaten Mojokerto Miftakhul Ulumiah; Mochammad Amin Alamsjah; Patmawati Patmawati
Jurnal Perikanan Unram Vol 14 No 4 (2024): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v14i4.1186

Abstract

The availability of raw materials in an industry is very important to prevent supply shortages, so that business continuity can be guaranteed. This condition can also affect the fixed costs that must be borne, especially if the production process stops.The aim of this research is to determine the amount of raw materials needed by the micro-scale fish processing industry in Mojokerto Regency. The research method used survey and interview methods with 18 respondents in the micro-scale fish processing industries in Mojokerto Regency. The research was conducted for 30 days and data analysis used quantitative descriptive. The results of the research show that the dominant fish used as raw material for fish processing is mackerel. The highest amount of raw material needed for mackerel fish occurred in 2022 at 753,864 kg and the highest amount of stock shortage reached 53,668 kg in 2020. The wader fish commodity has been fulfilled every year with the highest amount of raw material needed at 33,348 kg in 2023, while the catfish commodity has also been fulfilled. every year with the highest amount of raw material requirements in 2023 amounting to 27,421 kg.
Introducing the Diversification of Fishery Products from Cultivated Milkfish as a Trigger for the Creative Economy in the Former Pros- titution Area of Kampung Dolly, Surabaya Patmawati Patmawati; Eka Saputra Saputra; Adriana Monica Sahidu; Syifania Hanidah Samara; Rikky Leonard; Maulida Agustina; Ghisella Ayu Rahmawati; Shindy Novia A'yun; Zulfan Ibrahimi; Mohamad Akmal Alwi Husein
Journal of Aquaculture and Fish Health Vol. 13 No. 3 (2024): JAFH Vol. 13 No. 3 September 2024
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v13i3.40369

Abstract

Kampung Dolly was originally the largest prostitution areain Southeast Asia which is associated with nightlife. On 19June 2014, a policy was issued by the Surabaya city govern-ment to close this prostitution area which abruptly causedmany people to lose their jobs that previously could obtain anoverall economic turnaround of over 300 million rupiah pernight. Even after a decade, the community still has not beenable to recover its economic independence. The research wasdeemed indispensable for assisting the community regain itseconomic strength. This activity was conducted by the lectur-ers and students of the Faculty of Fisheries and Marine Uni-versitas Airlangga to foster a creative economy in KampungDolly community by utilizing fishery resources for 41 partici-pants who were members of MSME N'Jarang Nambe, Kam-pung Dolly, Surabaya. Assistance and monitoring were alsoprovided to ensure a successful outcome for the participants.Preliminary questionnaires found that 87.8% of participantshad ever bought fisheries products and were knowledgeableabout various diversification product types available in themarket. The final questionnaires observed the participants'preferences on product packaging, marketing, and licensing oftheir products. A total of 54% of participants preferred simplepackaging with affordable pricing, 66% of participants wouldrather sell their product at conventional markets directly, andonly 37% of participants have applied for business permits. Inconclusion, this activity has successfully providedcomprehensive insight regarding the introduction of productdiversification and assistance during the production process totrigger the entrepreneurial spirit for regaining economicstability in Kampung Dolly communities.