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All Journal Health Science Journal of Indonesia PUJANGGA: Jurnal Bahasa dan Sastra Jurnal Masharif al-Syariah: Jurnal Ekonomi dan Perbankan Syariah Jurnal Ilmiah AL-Jauhari Jurnal Studi Islam dan Interdisipliner Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Akrab Juara : Jurnal Ilmu-ilmu Sosial Indian Journal of Forensic Medicine & Toxicology JKMM Equilibrium Journal of Chemical Engineering Dimensi Matematika : Jurnal Pendidikan dan Pembelajaran Matematika Jurnal Rekayasa Sipil (e-journal) KREATIF: Jurnal Pengabdian Masyarakat Nusantara Jurnal Pengabdian Masyarakat Waradin Jurnal Pengabdian Masyarakat Indonesia Sejahtera Jurnal Anestesi: Jurnal Ilmu Kesehatan dan Kedokteran Perspektif: Jurnal Pendidikan dan Ilmu Bahasa IJAE
Fadilah Fadilah
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Journal : Equilibrium Journal of Chemical Engineering

 1 
Pemanfaatan Polimer Alam Kappa-Karagenan dan Glukomanan untuk Mikroenkapsulasi Extra Virgin Olive Oil Viona Rohmah Armia Gita Kusuma; Gemilang Ramadhan Syahputraningrat; Halimah Madania Rahman; Fadilah Fadilah
Equilibrium Journal of Chemical Engineering Vol 6, No 1 (2022): Volume 6, No 1 July 2022
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v6i1.58249

Abstract

ABSTRAK. Extra virgin olive oil (EVOO) adalah olahan pertama minyak zaitun tanpa campuran ekstrak lainnya yang mengandung senyawa antioksidan berupa senyawa fenolik, tokoferol, squalene, klorofil, β-karoten, dan polifenol.  Kandungan antioksidan ini mudah teroksidasi sehingga perlu dipertahankan dengan cara mikroenkapsulasi. Mikroenkapsulasi merupakan penyalutan tipis dengan polimer pada partikel kecil zat padat dan dispersi zat cair dimana ukuran partikel antara 1-5000 µm. Riset ini bertujuan untuk mengetahui pengaruh penambahan volume bahan inti dan komposisi campuran polimer pada mikroenkapsulasi EVOO dengan penyalut polimer alam kappa-karagenan dan glukomanan menggunakan metode koaservasi. Keberhasilan EVOO tersalut dalam polimer ditunjukkan berdasarkan rendemen mikrokapsul, Fourier Transform Infra Red Spectrophotometer (FTIR), Scanning Electron Microscope (SEM), dan efisiensi enkapsulasi. Hasil riset didapatkan penambahan volume minyak dan campuran komposisi polimer berpengaruh terhadap efisiensi yang dihasilkan. Efisiensi enkapsulasi tertinggi terdapat pada penambahan volume EVOO 0,5 mL sebesar 74,996% dan komposisi polimer pada 0,2 g kappa-karagenan + 0,1 g glukomanan sebesar 77,5637%. Kata kunci: Extra Virgin Olive Oil, Koaservasi, Mikroenkapsulasi, Polimer Abstract. Extra virgin olive oil (EVOO) is the first processed olive oil without other extracts containing antioxidant compounds in the form of phenolic compounds, tocopherols, squalene, chlorophyll, β -carotene, and polyphenols. These antioxidants are easily oxidized so it need to be maintained using microencapsulation. Microencapsulation is a thin polymer coating on small solid particles and liquid dispersions where the particle size ranges from 1-5000 µm. The aim of the  research is to determine the effect of the volume of core material and the composition of polymer mixture on EVOO microencapsulation using mixture natural polymer kappa-carrageenan and glucomannan by coacervation method. The success of coating EVOO by the polymer was demonstrated based on the yield, Fourier Transform Infra Red Spectrophotometer (FTIR), Scanning Electron Microscope (SEM), and encapsulation efficiency. The results showed that the addition of oil volume and a mixture of polymer compositions affected the resulting efficiency. The highest encapsulation efficiency was found in the addition of 0.5 mL EVOO which provides efficiency 74.996% and polymer composition at 0.2 g of kappa-carrageenan + 0.1 g of glucomannan which provides efficiency 77.5637%.Keywords: Extra Virgin Olive Oil, Coaservation Microencapsulation, Polymer   
Kinetika Reaksi Sintesis Karboksi Metil Glukomanan Rahmawati Andayani; Santi Tri Wijayanti; Fadilah fadilah
Equilibrium Journal of Chemical Engineering Vol 1, No 1 (2017): Volume 1 No 1 January 2017
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v1i1.40068

Abstract

Cultivation of porang plants now has a promising prospect because it has a higheconomic value. Glucomannan content in porang is quite high (15-64% dry base).Glucomannan, the natural polymers contained in porang corms, can be modified bycarboxymethylation. The synthesis of carboxy methyl glucomannan took place over twosteps, alkalization and carboxymethylation. Alkalization was conduct using NaOH inethanol 70% as the medium. The carboxymethylation steps was conducted by addingsodium chloroacetate as the reagent. The quality of carboxy methyl glucomannan wasdetermined from its Degree of Substitution (DS). The results showed that the highestdegree of substitution was 0.47 with 70% ethanol as medium and at temperature 65oC for 150 minutes reaction time. From the data obtained, it can be seen that the reaction ofglucomannan carboxymethylation proceeded at 1st order reaction, with the collision factorvalue (A) of 491.227 J/mol.K and its activation energy (Ea) of 30,994.59 J/mol.K.
Effect of Acrylamide And Potassium Peroxodisulphate on The Quality of Bead Gel Based on Cassava Bagasse-Carrageenan Using Microwave Grafting Method Sperisa Distantina; Nurul Hidayatun; Shifa Annisa Nabila; Mujtahid Kaavessina; Fadilah Fadilah
Equilibrium Journal of Chemical Engineering Vol 6, No 2 (2022): Volume 6, No 2 December 2022
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v6i2.68130

Abstract

ABSTRACT. Hydrogels are widely used for drug delivery systems, immuno-chemotherapy applications, efficient use of water, preventing dry soil, and increasing soil infiltration. Generally, hydrogels are derived from synthetic polymers which is non-biodegradable and toxic. Cassava bagasse is an alternative cellulose to make hydrogels. The purpose of this research was to determine the effect of the amount of acrylamide and potassium peroxodisulphate (KPS) initiator on the quality of bead gel based on cassava bagasse-carrageenan. Chemical structure of the hydrogel was studied using FTIR spectroscopy. Cassava bagasse was immersed in a solution of n-hexane to separate the fat. Then, fat-free cassava bagasse was grafted with mass ratios of cassava and acrylamide 1:5, 1:10, and 1:15 in 110 mL water. The solution was added with a KPS initiator with weight variations (g) 0.04; 0.08; 0.12 then stirred 15 min. The solution was put in the microwave with 630 watts of irradiation for 450 s with the cooling cycle temperature maintained at 65-70oC. The aqueous of grafted polymer and carrageenan was injected into beaker glass that contained 1 cm of palm oil and mixture of 0.2 M CaCl2 and 0.2 M KCl in an ice bath. Results showed that the highest average swelling capacity was found in the bead gel variation 1:15 with the number of initiators 0.04 g of 1797.95% at a time of 210 minutes of immersion. From FTIR spectrum, it was found that there was a success in grafting acrylamide into bagasse’s backbone using the microwave grafting method with KPS as initiator.Keywords: Acrylamide, Bead Gel, Cassava Bagasse, Grafting Microwave, Potassium Peroxodisulphate
Effect of Potassium Peroxodisulphate and Microwave Power on Hydrogel Character Based on Banana Peel Waste Using Microwave Grafting Method Sperisa Distantina; Ghea Safiraventa Anggreini; Fahrul An'nas Al Kamal; Mujtahid Kaavessina; Fadilah Fadilah
Equilibrium Journal of Chemical Engineering Vol 7, No 1 (2023): Volume 7, No 1 July 2023
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v7i1.67919

Abstract

ABSTRACT. Musa paradisiaca var. raja peel waste contains cellulose which has the potential to be a raw material for synthesizing hydrogels. This research utilizes acrylamide monomer grafted onto banana peel cellulose backbone using the microwave grafting method to produce hydrogel. The banana peel waste was dried to a constant weight and then crushed into powder. Banana peel powder was through a delignification process with the addition of NaOH and bleached with NaClO to took only the cellulose of the banana peel. The mixture of banana peel cellulose-acrylamide-potassium peroxodisulfate powder through the grafting process was repeated with variations in KPS concentration and microwave power. The reaction was terminated with a hydroquinone solution, washed with acetone, and then precipitated. The precipitated solid was dried to a powder called cellulose-g-PAAM. A homogeneous solution of 2% carrageenan-cellulose-g-PAAM underwent a physical crosslinking process using KCl and CaCl2 solutions after passing through palm oil to form a bead gel. The purpose of this research was to determine the effect of potassium peroxodisulfate (KPS) initiator concentration and microwave power on the swelling capacity in water. The properties of obtained dried bead gels were characterized their functional groups using FTIR and swelling capacity test in water. From this research, it can be concluded that banana peel cellulose was successfully grafted onto acrylamide monomer as evidenced by the FTIR test results. The lower KPS concentration is the greater on the swelling capacity and the microwave power has no effect on the swelling capacity of bead gels.Keywords: Banana peel, Bead gel, Microwave, Swelling degree 
Encapsulation of Rice Bran Oil (RBO) by Complex Coacervation Using Glutaraldehyde as Crosslinking Agent Fadilah Fadilah; Elfira Diah Ayu Febriani; Elvina Kurniasari; Refanza Nurfikhri; Tiurmasi Saulina Sirait
Equilibrium Journal of Chemical Engineering Vol 7, No 2 (2023): Volume 7, No 2 December 2023
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v7i2.77651

Abstract

Abstract. Rice bran is a significant by-product of the processing of rice, and rice bran oil (RBO) can be extracted from it to provide a very valuable product. It has a high smoke point but is less stable in the heating process. Further research is carried out to increase the stability of Rice Bran Oil in its utilization. Many environmentally friendly methods are being developed in storing and packaging food, including the application of microencapsulation. This study aims to determine the effect of the use of glutaraldehyde crosslinking agent on rice bran oil microencapsulation by utilizing the natural polymers of kappa carrageenan, glucomannan, and chitosan as encapsulants using the coacervation method. Microcapsules were analyzed for their encapsulation efficiency and yield and were characterized using Fourier Transform Infrared Spectrophotometer (FTIR), Scanning Electron Microscope (SEM), and Particle Size Analyzer (PSA). Results show that increasing the amount of glutaraldehyde tends to increase the yield and efficiency of encapsulation. A yield of 49.20% was obtained by adding 1 mL of glutaraldehyde with an encapsulation efficiency of 48.22%. All samples have irregular shapes and the surfaces were rough and folded. FTIR spectra show that all samples indicated the presence of RBO as well as other polymers used in the research: carrageenan, chitosan, and glucomannan.  The results of PSA show that particles are in micron size except for the addition of 1 mL glutaraldehyde.Keywords:Rice Bran Oil. Glutaraldehyde, Complex Coacervation
Co-Authors Abdul Bashit Al Fikri Amelia Rika Fadillah Anita Anggraeni Anna Surgean Veterini Arifin Seweng Arnawati Arnawati Azizah Rachmawati Bambang Suprapto Candra Pratama Cindy ApriliaEkaPrasanty Darmawansyah Darmawansyah Debby Desmarini Diana Romdhoningsih Dopa Lista Elfira Diah Ayu Febriani Elvina Kurniasari Fahisatul Jannah Fahrul An'nas Al Kamal Fathurrohim Fathurrohim Feriawan Tan Fiza Asri Fauziah Habibah Gemilang Ramadhan Syahputraningrat Ghea Safiraventa Anggreini Halimah Madania Rahman Hera Damayanti Khairunisa Khairunisa Luluk Yunaini Mafruroh Mafruroh Malika Diah Puspita Sari Mohamad Ali Mohammad Ali Mujtahid Kaavessina Murdani Abdullah Novia Dewi Nur'asiah Nur'asiah Nursaidah Ahmad Nurul Hidayatun Priyanda R Puji Sari R. Bilqis Bunga Nirwana Rachmat Setiyadi Rahmawati Andayani Refanza Nurfikhri Ridwan Tohopi Riskia Putri Risma Handayani Rizki Amalia Rizki Amalia Rizki Awaluddin Rosdiana Dwiyanti Sakti Hutabarat Saniati Saniati Santi Tri Wijayanti Shifa Annisa Nabila Sisi Anoli Putri Siti Khaerunnisa Sofy Meilaini Sperisa Distantina Sperisa Distantina Sumarta Dinata Susanti Susanti Tia Anggraini Silalahi Tiurmasi Saulina Sirait Tiwi Tamara Tri Agina Sapira Usiono Usiono Viona Rohmah Armia Gita Kusuma Winda Amelia Putri Yuani Setiawati