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Purwiyatno Hariyadi
1) Departemen Ilmu Dan Teknologi Pangan, Fakultas Teknologi Pertanian, Institut Pertanian Bogor, Bogor 2) SEAFAST Center, Institut Pertanian Bogor, Bogor
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Journal : Buletin Palma

 1 
Stabilitas Oksidasi Lipida Terstruktur Berbasis Minyak Kelapa dan Minyak Kelapa Sawit [Oxidative Stability of Structured Lipid Based on Coconut Oil and Palm Oil] Siti Nurhasanah; Nur Wulandari; S. Joni Munarso; Purwiyatno Hariyadi
Buletin Palma Vol 18, No 2 (2017): Desember, 2017
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/bp.v18n2.2017.53-62

Abstract

Lipase-catalyzed interesterification is used to synthesize a value added structured lipid (SL) from coconut oil and palm oil. SL is a modified lipid (triacylglycerols; TAG) with replacement and/or arrangement of fatty acid positions to change the fatty acid composition and/or their positional distribution in glycerol backbone. In this research, modification was conducted by enzymatic process, to produced SLs with some beneficial changes in chemical and physical properties.  Sepecifically, objective of this research was to study the oxidative stability of SL obtained from enzymatic interesterification of coconut oil and palm oil. Stability was studied using schaal oven test method and parameters tested were free fatty acid, peroxide value, anisidine value, total oxidation, and thio barbituric acid (TBA) value. Results showed that the type of lipase used and length of interesterification resulted in SL with different oxidative stability. Among SLs evaluated, SL produced with esterification process using lipase of Novozyme 435 for 5 hours has high oxidative stability. At the end of the observation, product that was stored for 4 weeks at 50 oC, contained free fatty acid value of 4.21 %, peroxide value of 2.88 meq O2⁄kg, anisidine value of 5.16, TBA value of 2.01 mg malonaldehyde/kg sample, and total oxidation of 10.92. Those result shows that oxidation stability parameter of structured lipid still meet the standard of palm oil  product and its derivatives AbstrakInteresterifikasi enzimatik dengan lipase digunakan untuk mensintesis lipida terstruktur (structured lipid/SL) dari bahan baku minyak kelapa dan kelapa sawit. SL adalah lipida (trigliserida) termodifikasi melalui penggantian dan/atau pengaturan posisi asam-asam lemak pada kerangka gliserolnya.  Pada penelitian ini modifikasi secara enzimatik untuk dilakukan untuk menghasilkan produk SL dengan sifat kimia dan fisika tertentu yang memiliki nilai tambah. Penelitian ini bertujuan untuk mempelajari stabilitas oksidasi produk SL hasil interesterifikasi enzimatik minyak kelapa dan minyak kelapa sawit. Stabilitas oksidasi diukur dengan menggunakan metode uji oven schaal dengan  parameter uji adalah asam lemak bebas, bilangan peroksida, bilangan anisidin, total oksidasi, dan nilai asam tio barbiturat (TBA). Hasil penelitian menunjukkan bahwa jenis lipase yang digunakan dan lama interesterifikasi menghasilkan SL dengan stabilitas yang berbeda. Diantara produk SL yang dievaluasi, SL yang diperoleh dari proses interesterifikasi menggunakan lipase Novozyme 435 selama 5 jam mempunyai stabilitas oksidasi tinggi.  Pada akhir pengamatan, produk yang disimpan selama 4 minggu pada suhu 50 oC memiliki nilai asam lemak bebas 4,21%, bilangan peroksida 2,88 meq O2/kg, bilangan anisidin 5,16, bilangan TBA 2,01 mg malonaldehid/kg sampel, dan nilai total oksidasi 10,92. Hasil tersebut menunjukkan bahwa stabilitas oksidasi lipid terstruktur yang dihasilkan mampu memenuhi standar sebagai produk minyak sawit dan turunannya. 
Co-Authors - Mursalin -, Sugiyono . Mursalin A.A. Ketut Agung Cahyawan W Afifah Z. Agista Agus Setiyono Agus Supryadi Andarwulan, Nuri Andri J. Laksana Anton Apriyantono Arief Mulyawan Arief Rakhman Affandi Ario Damar Atjeng M. Syarief Ayu C. Wulan Ayu Cahyaning Wulan Azis B. Sitanggang Azis Boing Sitanggang C Hanny Wijaya DAHRUL SYAH Dahrul Syah DAHRUL SYAH Daisy Irawan Darniadi , Sandi Dede R. Adawiyah Dede Robiatul Adawiyah Dedi Fardiaz Denny S. Agustin Desty G. Pratiwi Desty Gitapratiwi Desty Gitapratiwi Dewi Fortuna Ayu Dodik Briawan Drajat Martianto Drajat Martianto Dwi Fitriani Dwi Fitriani Dwi Karmila Syafriyanti Eko Hari Purnomo Elisa Julianti Elvira Syamsir Erka Fitria Erka Fitria Evy Damayanthi Fahim M. Taqi Fahma Yuliwardi Fahma Yuliwardi, Fahma Fajriyati Mas’ud Faleh Setia Budi Feri Kusnandar Firdaus, Safira Fitri Hasrini, Reno Friska Citra Agustia Gema Noor Muhammad Gina Nur Rahmasari Hasim Hendra Wijaya Hendri Hermawan Adinugraha Hoerudin Hoerudin Hoerudin Hoerudin Hunaefi, Dase Idqan Fahmi Indah Epriliati IPB, DGB Iyus Hendrawan Iyus Hendrawan Jaka Rukmana Joni Munarso Joni Munarso, Joni Khoerul Bariyah Krisna Margaretta Malau Laksana, Andri J. Lala M Kolopaking Leonardus B. Raditya Prabowo Lilis Nuraida Lisa Norisza Sjahwil M Agus Setiadi M. Taqi, Fahim Ma'mun Sarma Masykur, Siti Fauziyyah Munarso, S. Joni Mursalin . Mursalin Mursalin MURSALIN MURSALIN Muslim, Nizar Saeful Nahrowi Nur Aini Nur Aini . Nur Fitriana Dewi Nur Richana Nur Wulandari Nur Wulandari Nurhasanah, Siti Nuri Andarwulan Nuri Andarwulan Oktariza, Wawan Policybrief, Submission Puspo Edi Giriwono Putra, Imam Perdana Rahmawati Rahmawati Ratih Dewanti -Hariyadi Reno Fitri Hasrini Ria Noviar Triana Rindy Panca Tanhindarto Rokhani Hasbullah Rosiana Ulfa Rosulva, Indah S. Joni Munarso Salsabila, Unik Hanifah Santi Dwi Astuti Santi Dwi Astuti Satiti Kawuri Putri Satrya Dharmawan Selvi Marcellia Siti Fauziyyah Masykur Siti Madanijah Siti Nurhasanah Siti Nurhasanah Slamet Budijanto Soewarno T Soekarto Soewarno T. Soekarto Soewarno T. Soekarto Sri Purwaningsih, Sri Sri Widowati Stefani Hartono Subarna - Sudradjat Sugiyono - Sugiyono . Sumarto Sumarto Sumarto Sumarto Sumiati Suria Darma Tarigan SUTRISNO Sutrisno Sutrisno Syafriyanti, Dwi Karmila Tanti Lanovia1,2)* Tien R. Muchtadi Tjahja Muhandri Tri Haryati Ulfah Juniarti Siregar Widhiasmoro, Ashari Winiati P. Rahayu Wiwit Amrinola Wulandari, Nur Yundari, Yundari Zita L. Sarungallo Zubaidah Irawati Zulaikhah Zulaikhah