Proximate and Macromineral Content of Gastropods in the Mangrove Area of Desa Bakau Sambas Regency

Warsidah
Safitri, Ikha
Sofiana, Mega Sari Juane
Oktavia

JURNAL ILMIAH PLATAX
Vol. 12 No. 1 (2024): ISSUE JANUARY-JUNE 2024

Gastropods are the largest class of the phylum mollusks, with 75,000 identified species. Gastropods are widely distributed in freshwater, marine waters, and mangrove ecosystems. Gastropods are a fishery commodity with an important economic value containing high protein (36-70.8%) and low fat (0.02-1.50%). This biota has vitamins, essential minerals, omega-3, and omega-6. This research aimed to determine the proximate content (protein, fat, water, ash, and carbohydrates) and macrominerals (Na, K, Mg, Ca, and P) in gastropods found in Bakau Village, Sambas Regency, West Kalimantan. The gastropods found were Ellobium, Cerithidea, and Pirenella. Fifty individuals were taken for proximate analysis. Moisture and ash content were determined by the gravimetric method. Total protein levels were analyzed by the Kjedahl method. The fat content was determined by the Soxhlet method, and the carbohydrate content by the by difference method. Atomic Absorption Spectrophotometer determined mineral macro. The proximate content of mangrove gastropods in Bakau Village is high in protein (48.06–54.62%) and low in fat (1.31–7.40%). The most elevated protein was 54.62 in Ellobium and Pirenella, with the lowest fat being 1.31%. The macro mineral content in gastropods is Ca (14.91-91.48 mg/kg), Mg (13.16-21.74 mg/kg), Na (8.19-20.62 mg/kg), K (13.07-17.33 mg/kg), and P (0.66-0.71 mg/kg). The highest mineral content was shown by the genus Pirenella (91.48 mg/kg) Ca. Keywords: gastropod, macromineral, mangrove, proximate. Abstrak Gastropoda adalah kelas terbesar dari filum moluska dengan 75.000 jenis yang telah teridentifikasi. Gastropoda terdistribusi luas di perairan tawar, perairan laut, dan ekosistem mangrove.  Gastropoda merupakan salah satu komoditas perikanan dengan nilai ekonomis penting yang mengandung protein tinggi (36-70,8%) dan lemak yang rendah (0,02-1,50%). Biota ini juga memiliki vitamin, mineral esensial, omega-3 dan omega-6. Penelitian ini bertujuan untuk mengetahui kandungan proksimat (protein, lemak, air, abu, dan karbohidrat) serta makromineral (Na, K, Mg, Ca, dan P) pada gastropoda yang ditemukan di Desa Bakau, Kabupaten Sambas, Kalimantan Barat. Gastropoda yang ditemukan pada penelitian ini adalah Ellobium, Cerithidea, dan Pirenella. Setiap jenis dari gastropoda, masing-masing diambil sebanyak 50 individu untuk dilakukan analisis. Kadar air dan abu ditentukan dengan metode gravimetri. Kadar total protein dianalisis dengan metode Kjedahl. Kadar lemak ditentukan dengan metode soxhlet dan kadar karbohidrat dengan metode by difference. Makro mineral ditentukan dengan Spektrofotometer Serapan Atom. Kandungan proksimat dari jenis gastropoda mangrove Desa Bakau adalah tinggi protein (48,06–54,62%), rendah lemak (1,31–7,40%). Protein tertinggi 54,62 pada Ellobium dan Pirenella dengan lemak terendah 1,31%. Kandungan makro mineral pada gastropoda adalah Ca (14,91-91,48 mg/kg), Mg (13,16-21,74 mg/kg), Na (8,19-20,62 mg/kg), K (13,07-17,33 mg/kg), dan P (0,66-0,71 mg/kg). Kandungan mineral tertinggi ditunjukkan oleh genus Pirenella (91,48 mg/kg) Ca. Kata kunci: gastropoda, makromineral, mangrove, proksimat.