@article{Lekahena_Faridah_Syarief_Peranginangin_2014, title={KARAKTERISASI FISIKOKIMIA NANOKALSIUM HASIL EKSTRAKSI TULANG IKAN NILA MENGGUNAKAN LARUTAN BASA DAN ASAM [Physicochemical Characterization of Nano Calcium from Tilapia Bone Extracted by Alkaline and Acid Solution]}, volume={25}, url={https://journal.ipb.ac.id/index.php/jtip/article/view/8303}, DOI={10.6066/jtip.2014.25.1.57}, abstractNote={<p><strong>KARAKTERISASI FISIKOKIMIA NANOKALSIUM HASIL EKSTRAKSI TULANG IKAN NILA </strong></p><p><strong>MENGGUNAKAN LARUTAN BASA DAN ASAM</strong></p><p><em>[Physicochemical</em><em> Characterization of Nano Calcium </em></p><p><em>from</em><em> Tilapia Bone Extracted by Alkaline and Acid Solution]</em></p><p><strong>Vanessa Lekahena<sup>1)</sup>*, Didah Nur Faridah<sup>2)</sup>, Rizal Syarief<sup>2)</sup> dan R. Peranginangin<sup>3)</sup> </strong></p><p><sup>1)</sup> Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara, Ternate</p><p><sup>2)</sup> Departemen Ilmu dan Teknologi Pangan, Fakultas Teknologi Pertanian, Institut Pertanian Bogor, Bogor</p><p><sup>3)</sup> Balai Besar Penelitian dan Pengembangan Pengolahan Produk dan Bioteknologi, Kementerian Kelautan dan Perikanan, Jakarta</p><p> </p><p>Diterima 26 Maret 2013 / Disetujui 29 April 2014<strong> </strong></p><p><strong><em>ABSTRACT</em></strong><strong><em></em></strong></p><p> </p><p><em>The utilization of</em><em> tilapia (Oreochromis niloticus) bones as a source of natural calcium was done by alkaline (NaOH) and acid (HCl) extraction</em><em>. </em><em>The e</em><em>xtraction process </em><em>aims to</em><em> </em><em>soften</em><em> the bones</em><em> are milled using disc mill into nano sized calcium powder or nanocalcium. The objective of this research was to study the physicochemical properties of nanocalcium obtained from alkaline and acid extraction of tilapia bones. <em>The results of </em>physicochemical<em> analysis properties of nanocalcium sample showed that nanocalcium extracted by alkaline solution had better properties than that of the untreated sample and nanocalcium extracted by acid solution</em></em><em>.</em><em> </em><em>The results</em><em> was</em><em> indicated </em><em>by the higher yield, </em><em>brighter color</em><em>s</em><em>, </em><em>smaller particle size, and calcium content (20.67%) and phosphorus (10.09%) with a ratio of Ca/P = 2.0. The </em><em>Fourier Transform Infrared</em><strong> </strong><em>(FTIR) spectra profile indicated the presence of  phosphate group (PO<sub>4</sub><sup>3-</sup>) at the bands of 469, 563, 603, 961 and 1035 cm-<sup>1</sup>, and the presence of  apatite carbonate group (CO<sub>3</sub><sup>2-</sup>) was  indicated by intense bands at 873, 1416, 1456 and 1563 cm-<sup>1</sup></em><em>. </em><em>The morphology </em><em>of </em><em>the </em><em>sampel </em><em>surface of the  alkaline extracted sample was  smoother, denser, and the grain size formed were relatively larger</em><em>. </em><em>The formed c</em><em>rystalline</em><em> phase</em><em>s</em><em> </em><em>were </em><em>HAp (hydroxyapatite), carbonate apati</em><em>t</em><em>e type A </em>[Ca<sub>10</sub>(PO<sub>4</sub>)<sub>6</sub>CO<sub>3</sub>] and B [Ca<sub>10</sub>(PO<sub>4</sub>)<sub>3</sub>(CO<sub>3</sub>)<sub>3</sub>(OH)<sub>2</sub>] <em>with </em><em>crystalline degree of 78.4%.</em><strong></strong><strong></strong></p&gt;}, number={1}, journal={Jurnal Teknologi dan Industri Pangan}, author={Lekahena, Vanessa and FaridahDidah Nur and Syarief, Rizal and PeranginanginR.}, year={2014}, month={Aug.}, pages={57} }