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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 Adawiyah, Marissa Tasya Adyani Maulinda Afrizani, Afrizani Agus Priyadi Ainil Fithri Pulungan Akbar, Windi Hari Al Hudawi, Muhammad Al Qodri, Muhammad Alistraja Dison Silalahi Alkausar Saragih Alviana, Liya Amin Nasution, Muhammad Amir, Annisa Fadilah Andi Syahputra, Ricky Ani Sutiani Anjarlit Romiyuliana Br Parapat Annisa Fadilah Amir Annisa Utami Anny Sartika Daulay Anny Sartika Daulay Anny Sartika Daulay Anny Sartika Daulay Any Sartika Daulay Aprilia, Hijjatun Aprilia, Medhy Ardhita Arifin, Khairil Fikri Arjuniadi, Arjuniadi Asep Trizaldi Audry Pratiwi Audry Pratiwi Azhar, Gustika Azri, Atika Azzahra, Fadya Bangun Lubis Cici Andriani Claudy Friesta Melanie Dahlia Hasibuan Dahnia Ayu Fitria Dalimunthe, Gabena Indriyani Damanik, Sumayyah Daniel Happy Putra Daulay , Anny Sartika Daulay, Ani Sartika Daulay, Anny S. Denni Bahari Dikki Miswanda Dina Suciati Saragih Elma Natasya Endang D. Hamid Fadhilah M, Ihsan Fadhlah Al-Uyun Nasution Fadya Azzahra Fajri, Fajrilda Aqilah Fathur Rahman Fathur Rahman Fathur Rahman Harun Fatin Fairuz Pasaribu Fatur Rahman Fiqri Hermawan Fithri Pulungan, Ainil FRANSISKA, EVA Gabena Indrayani Dalimunthe Hafizha, Putri Hakimi Hakimi Harahap, Ade Try Atwinda Harahap, Siti Salimah Haris Munandar Nasution Haris Munandar Nasution Haris Munandar Nst Harun , Fatur Rahman Harun, Fathur Rahman Hasanah, Qori Hasibuan , Nabila Hasim Hasibuan, Sarinah Hasibuan, Supia Indah Hazizah, Mautia Hermawan, Fiqri Humairah, Dwina Angelina Ihsan Fadhilah Imelda Natasia Br S Meliala Indra B. Hutagalung Intan Bagani Hasibuan Irvan Andreansyah Irwan Misbach Isnaria, Vita Khairunnisa Khairunnisa Khairunnisa Siagian Lastri Afni Lince Bulutoding Lubis, Minda Sari M. Naufal Rifqi M. Saleh Sitompul Maghfirah , Dini Makhfirah Malahayati Malahayati Mambang, D Elysa Putri Manik, Umi Chairani Manurung, Aisyah Baddriah Marissa Tasya Adawiyah Maryanti Yuza Maya Syafira Medhy Ardhita Aprilia Melinda, Reni Meliyana Meliyana Merani Phaustina Lumban Gaol Mirna Mirna Muchlis, Syaiful Muhammad Al Hudawi Muhammad Al Qodri Muhammad Alfariz Baihaqi Siregar Muhammad Amin Nasution Muhammad Amin Nasution Muhammad Wahyuddin Abdullah Muhammad Wahyudi Munthe, Ariska Munthe, Herlina Nada, Dina Qatrun Nadhia Shaqila Dhinia Nadila Indra Sepvina Nasri Nasri, Nasri Nasution, Kartika Zsaskia Nasution, M. Amin Nasution, Shamila Sufi Aulia Nazirah, Nazirah Ningtias, Anggitha Nomi Noviani Nur Ainun Nuraida Nuraida Nurhayati Nurhayati Nurliansyah, Nurliansyah Nurmazela, Virda Pitaloka, Syifa Amilia Pulungan, Ainil Fitri Puteri, Cut Intan Annisa Putri Intan Sari Putri Khairani Putri Theresia Harianja Putri Yupa Hasibuan Putriyana Putriyana Qisti Pristiwani Rafita Yuniarti Rahayu , Yayuk Putri Rahayu Rahayu Rahmadani , Adevika Rahmadani Rahmadani Rahmah, Ruhiya Rahmayanti, Putri Revi Mariska Ritonga 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 Sari, Farida Sarinah Hasibuan Sartika Daulay, Anny Sasnita, Merida Selfia Lestary Shakila Salwa Shilvia, Fatin Sinaga, Novita Yulianti Siradjuddin Siregar , Anisah Siti Rahmasari Sitompul, M. Saleh Sitorus, Dara Indah Sri Wahyuni Sri Wahyuni Sumiyarni Harahap Syahfitri , Adelya Syahputra, Ricky Andi Syalsabila Putri Syarifah, Aulia Tamara Army Tambupolon, Sanya Tanika Utama, Fazrul Amin Vera Estefania Kaban Wijiyaningsih, Dinda Yanti, Rahma Yayuk Putri Rahayu Yulia Nanda Putri Yuniarti , Rafita Yuniarti, Rafita Ziza Putri Aisyia Fauzi Zulmai Rani