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UJI TOKSISITAS KITOSAN CANGKANG KEPITING RAJUNGAN (Portunus pelagicus) DAN KEPITING BAKAU (Scylla serrata) DENGAN METODE BRINE SHIRMP LETHALITY TEST (BSLT) Qisti Pristiwani; Ridwanto Ridwanto
Cross-border Vol. 6 No. 2 (2023): JULI-DESEMBER
Publisher : Lembaga Penelitian Dan Pengabdian Masyarakat Institut Agama Islam Sultan Muhammad Syafiuddin Sambas Kalimantan Barat

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Abstract

Rajungan and bakau are crab species that are very commonly found in Indonesia and are used as Indonesian fishery export commodities. However, unfortunately market demand only uses the meat, leaving a lot of shell waste for the environment. In fact, crab shells contain chemicals, including 30-40% protein, minerals (CaCO3), and 20-30% chitin. Chitin can be processed into chitosan which has many benefits for life. The purpose of this study was to determine the presence of chitosan in crab shells and to test its toxicity using the BSLT method. Chitosan is obtained from the isolation of chitin through the stages of deproteination, demineralization, depigmentation, and deacetylation of chitin into chitosan. The results of this study indicate that chitosan has not been isolated properly because the degree of deacetylation is only 48,7 % in crabs and 73,4% in mud crabs from a minimum standard of 75%. The degree of deacetylation was obtained from the results of the FT-IR test. Furthermore, the level of toxicity was seen with the results of the LC50 using the BSLT (Brine Shirmp Lethality Test) test. The results of probit analysis showed that the LC50 value was 3149.198 g/ml in rajungan crab chitosan and 3718.775 g/ml in bakau crab. So it can be concluded that chitosan from rajungan and bakau crab shells is not toxic and safe to use in life.
Co-Authors Abdullah, Husaini Abdullah, Muhammad Wahyuddin Adawiyah, Marissa Tasya Adyani Maulinda Afrizani, Afrizani Agus Priyadi Akbar, Windi Hari Al Hudawi, Muhammad Al Qodri, Muhammad Alviana, Liya Amin Nasution, Muhammad Amir, Annisa Fadilah Ani Sutiani Anny Sartika Daulay Anny Sartika Daulay Anny Sartika Daulay Anny Sartika Daulay Anny Sartika Daulay Aprilia, Hijjatun Aprilia, Medhy Ardhita Arifin, Khairil Fikri Arjuniadi, Arjuniadi Asep Trizaldi Audry Pratiwi Audry Pratiwi Azhar, Gustika Azri, Atika Azzahra, Fadya Cici Andriani Claudy Friesta Melanie Dalimunthe, Gabena Indriyani Damanik, Sumayyah Daniel Happy Putra Daulay , Anny Sartika Daulay, Ani Sartika Daulay, Anny S. Denni Bahari Dikki Miswanda Dina Suciati Saragih Dison Silalahi, Alistraja Elma Natasya Eva Fransiska Fadhilah M, Ihsan Fadhlah Al-Uyun Nasution Fajri, Fajrilda Aqilah Fathur Rahman Fathur Rahman Fatur Rahman Fithri Pulungan, Ainil Gabena Indrayani Dalimunthe Hafizha, Putri Harahap, Ade Try Atwinda Harahap, Siti Salimah Harahap, Sumiyarni Haris Munandar Nasution Harun , Fatur Rahman Harun, Fathur Rahman Hasanah, Qori Hasibuan , Nabila Hasim Hasibuan, Sarinah Hasibuan, Supia Indah Hazizah, Mautia Hermawan, Fiqri Humairah, Dwina Angelina Imelda Natasia Br S Meliala Irvan Andreansyah Irwan Misbach Isnaria, Vita Khairunnisa Khairunnisa Lastri Afni Lince Bulutoding Lubis, Minda Sari M. Naufal Rifqi Maghfirah , Dini Makhfirah Mambang, D Elysa Putri Manik, Umi Chairani Manurung, Aisyah Baddriah Maryanti Yuza Melinda, Reni Meliyana Meliyana Merani Phaustina Lumban Gaol Mirna Mirna Muchlis, Syaiful Muhammad Amin Nasution Muhammad Amin Nasution Muhammad Wahyudi Munthe, Ariska Munthe, Herlina Nada, Dina Qatrun Nadila Indra Sepvina Nasri Nasri, Nasri Nasution, Kartika Zsaskia Nasution, M. Amin Nasution, Shamila Sufi Aulia Nazirah, Nazirah Ningtias, Anggitha Nst, Haris Munandar Nuraida Nuraida Nurhayati Nurhayati Nurliansyah, Nurliansyah Parapat , Anjarlit Romiyuliana Br Pitaloka, Syifa Amilia Puteri, Cut Intan Annisa Putri Khairani Putri Theresia Harianja Putriyana Putriyana Qisti Pristiwani Rafita Yuniarti Rahayu , Yayuk Putri Rahayu Rahayu Rahma Dona Rahmadani , Adevika Rahmadani Rahmadani Rahmah, Ruhiya Rahmasari, Siti Rahmayanti, Putri Reza Irma Ricky Andi Syahputra Ricky Andi Syahputra Rika Yuliana, Rika Riski Mulyani, Riski Risma Fauziah Pasaribu Rizki, Dewi Rizki, Rahmad Robiatun Rambe Rosaldi, Hikmah Rossa, Aliffa S Sumarlin Sagala , Vipi Zetiara Salwa, Shakhila Saragih, Alkausar Sari, Farida Sartika Daulay, Anny Sasnita, Merida Selfia Lestary Shilvia, Fatin Sinaga, Novita Yulianti Siradjuddin, Siradjuddin Siregar , Anisah Sitompul, M. Saleh Sitorus, Dara Indah Sri Wahyuni Syahfitri , Adelya Syahputra, Ricky Andi Syalsabila Putri Syarifah Aulia Tamara Army Tambupolon, Sanya Tanika Utama, Fazrul Amin Vera Estefania Kaban Virda Nurmazela Wijiyaningsih, Dinda Yanti, Rahma Yayuk Putri Rahayu Yulia Nanda Putri Yuniarti , Rafita Yuniarti, Rafita Ziza Putri Aisyia Fauzi Zulmai Rani