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Hidrolisis Pati Garut Secara Enzimatis untuk Pembentukan Siklodekstrin Noor, Erliza
Jurnal Ilmu Pertanian Indonesia Vol. 13 No. 2 (2008): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Modified starch has important role in chemical, cosmetic, pharmaceutical, and food industries. Cyclodextrin was prepared based on garut starch using starch hidroying enzime namely 0-amylase, 0-amylase, pullulanase and glukoamylase. Cyclication to form cyclodextrin was obtained using CGTase. The highest concentration of cyclodextrin was obtained by glucoamylase and CGTase concentration of 150 unit/g substrate which was 81.11g.l-1  in 90 minutes. Keywords: 0-amylase, 0-amylase, cyclodextrin, CGT-ase, gantt starch, glukoamylase, pullulanase 
IDENTIFIKASI FAKTOR KUNCI KRISIS PADA TATANIAGA GARAM KONSUMSI DI INDONESIA MENGGUNAKAN PROSES JEJARING ANALITIK (ANALYTIC NETWORK PROCESS Herman, Sidik; ., Eriyatno; Noor, Erliza; Mulyadi2, Dedi
Jurnal Riset Industri Vol 8, No 3 (2014): Pemanfaatan Bahan Baku/Penolong Raw Material Dalam Negeri
Publisher : Badan Penelitian dan Pengembangan Industri

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Abstract

Garam konsumsi adalah komoditi yang secara terus menerus dibutuhkan oleh seluruh masyarakat. untuk memberi cita rasa asin pada makanan. Karena fungsinya tidak bisa digantikan, maka garam konsumsi masuk kedalam kelompok komoditi strategis yang diatur tata niaganya untuk menjaga kestabilan pasokan di masyarakat. Dalam mengatur tata niaga garam konsumsi ini diperlukan informasi potensi krisis yang secara signifikan dapat mempengaruhi setiap kelembagaan sepanjang rantai pasokan dalam menjalankan fungsinya. Tujuan dari penelitian ini adalah untuk menetapkan faktor kunci penyebab krisis pada tataniaga garam nasional menggunakan metode Proses Jejaring Analitik (Analytic Network Process / ANP). ANP adalah metode pengambilan keputusan dengan banyak kriteria yang saling terkait. Permasalahan direpresentasikan dalam sebuah sistem dengan ketergantungan (dependence) dan umpan balik (feedback). Keterkaitan yang terdapat pada metode ANP adalah keterkaitan dalam satu set elemen (node comparison) dan keterkaitan terhadap elemen yang berbeda (cluster comparison). Penggunaan metode ANP akan menghasilkan bobot nilai prioritas pada seluruh elemen yang terdapat dalam sistem pengambilan keputusan. Melalui penelitian ini teridentifikasi 5 klaster utama yaitu pelaku pada tataniaga garam, ekonomi, teknologi dan inovasi, social - politik dan lingkungan. Dalam seluruh klaster tersebut terdapat 24 faktor yang memiliki kecenderungan menjadi pemicu krisis. Dengan menggunakan ANP teridentifikasi 6 faktor dengan bobot paling dominan yaitu: harga garam (0,3159), cuaca (0,4221), perusahaan garam (0,2303), regulasi tata niaga (0,3781) dan inovasi baru (0,5382). Kata kunci: Pengambilan Keputusan, Faktor Kunci Krisis, Tataniaga Garam, ANP 
PRODUKSI SIKLODEKSTRIN DARI PATI GARUT MENGGUNAKAN BERBAGAI KOMBINASI ENZIM [Production of Cyclodextrin from Arrowroot Starch by Using the Combination Enzymes] Noor, Erliza; Hartoto, Liesbetini
Jurnal Teknologi dan Industri Pangan Vol. 22 No. 2 (2011): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

The research was aimed to produce cyclodextrin from arrowroot starch using a combination of starch hydrolysis enzymes (a-amylase, b-amylase, pullulanase and glucoamylase). Cyclization process to form cyclodextrin was obtained using Cyclodextrin-glycosyl-transferase (CGTase). a-amylase showed better performance and faster to hydrolyze arrowroot starch as compared to that of β-amylase. Glucoamylase also was gave better result than pullulanase to break the α-1,6-glycosidic chain. Combination of α-amylase and glucoamylase were more efficient for hydrolysis process and cyclodextrin production.
ESTIMASI EMISI DIOKSIN/FURAN DAN FAKTOR-FAKTOR YANG MEMPENGARUHI KONSENTRASI EMISI KE UDARA YANG BERASAL DARI INDUSTRI LOGAM Warlina, Lina; Noor, Erliza; Fauzi, Akhmad; Tarumingkeng, Rudy C; Sutjahjo, Surjono H
Jurnal Matematika Sains dan Teknologi Vol 9 No 1 (2008)
Publisher : LPPM Universitas Terbuka

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Abstract

Dioxin/furan is one of the persistent organic pollutants (POPs) that the government and public in Indonesia has not taken care of, as there is currently no policy on reducing dioxin/furan emission, even according to previous research dioxin/furan emission has already high. Steel industries produce dioxin/furan emission that will give negative impact to the people (cancer and death) and environment. The objective of this research was to estimate dioxin/furan emission and to determine factors that influence dioxin/furan emission concentration on the air, especially from steels industries. Methods employed in this research used emission factors to estimate dioxin/furan emission and Gaussian dispersion modeling to estimate emission concentration. The result showed that dioxin/furan emission is 9,38-13,54 gTEQ and it has to be reduced. Production is main factor to contribute dioxin/furan emission to the air. Besides that, emission concentration also depends on temperature, wind speed, height of stacks and radius from the site to the recipient. The conclusion of the research is dioxin/furan emission should be reduced, by means of first or second treatment.
ESTIMASI EMISI DIOKSIN/FURAN DAN FAKTOR-FAKTOR YANG MEMPENGARUHI KONSENTRASI EMISI KE UDARA YANG BERASAL DARI INDUSTRI LOGAM Warlina, Lina; Noor, Erliza; Fauzi, Akhmad; Tarumingkeng, Rudy C; Sutjahjo, Surjono H
Jurnal Matematika Sains dan Teknologi Vol. 9 No. 1 (2008)
Publisher : LPPM Universitas Terbuka

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Abstract

Dioxin/furan is one of the persistent organic pollutants (POPs) that the government and public in Indonesia has not taken care of, as there is currently no policy on reducing dioxin/furan emission, even according to previous research dioxin/furan emission has already high. Steel industries produce dioxin/furan emission that will give negative impact to the people (cancer and death) and environment. The objective of this research was to estimate dioxin/furan emission and to determine factors that influence dioxin/furan emission concentration on the air, especially from steels industries. Methods employed in this research used emission factors to estimate dioxin/furan emission and Gaussian dispersion modeling to estimate emission concentration. The result showed that dioxin/furan emission is 9,38-13,54 gTEQ and it has to be reduced. Production is main factor to contribute dioxin/furan emission to the air. Besides that, emission concentration also depends on temperature, wind speed, height of stacks and radius from the site to the recipient. The conclusion of the research is dioxin/furan emission should be reduced, by means of first or second treatment.
PRODUKSI PEKTIN BERMETOKSIL RENDAH DARI KULIT JERUK NIPIS (Citrus aurantifolia Swingle) SECARA SPONTAN MENGGUNAKAN PELARUT AMONIUM OKSALAT DAN ASAM Usmiati, Sri; Mangunwidjaja, Djumali; Noor, Erliza; Richana, Nur; Prangdimurti, Endang
Jurnal Penelitian Pascapanen Pertanian Vol 13, No 3 (2016): Jurnal Penelitian Pascapanen Pertanian
Publisher : Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpasca.v13n3.2016.125-135

Abstract

Pengembangan teknologi ekstraksi pektin bermetoksil rendah terus dieksplorasi karena tanaman sumber yang relatif terbatas. Tujuan penelitian adalah untuk memperoleh pektin bermetoksil rendah langsung dari ekstraksi kulit jeruk nipis (Citrus aurantifolia Swingle). Penelitian didahului oleh dua tahap penelitian pendahuluan menggunakan rancangan acak lengkap yang masing-masing bertujuan memperoleh suhu ekstraksi (tahap pertama) dan lama waktu ekstraksi (tahap kedua) terbaik untuk digunakan sebagai kondisi proses ekstraksi pada penelitian utama. Desain penelitian utama menggunakan rancangan acak lengkap pola faktorial dengan tiga ulangan. Faktor pertama adalah tipe pelarut (P): P1 (amonium oksalat+asam oksalat, asam sitrat) dan P2 (amonium oksalat+asam oksalat, asam klorida), dan faktor kedua pH (K): K1 (pH 1) dan K2 (pH 2), serta sebagai pembanding adalah menggunakan pelarut P0 [asam sitrat, asam klorida; pH 2,0]. Ekstraksi suksesif dua tahap menggunakan suhu 100oC dilakukan selama 45 menit dengan pelarut amonium oksalat+asam oksalat, dilanjutkan 10 menit menggunakan pelarut asam sitrat atau asam klorida. Parameter pengukuran meliputi rendemen, derajat esterifikasi (DE), kadar asam uronat, kadar metoksil, kadar air, kadar abu, serta berat ekivalen. Dari hasil penelitian diketahui bahwa interaksi tipe pelarut dan pH pada perlakuan P2K2 (amonium oksalat+asam oksalat, asam klorida) dapat langsung menghasilkan pektin bermetoksil rendah dari kulit jeruk nipis dengan nilai DE 45,77%, kadar metoksil 1,53% dan kadar abu 4,77%. Pelarut amonium oksalat+asam oksalat (t1) dan asam klorida (t2) (P2) pada kedua tingkat pH menghasilkan rendemen pektin 10,0%, kadar AUA 19,21%, dan nilai BE 1878,82. Kadar air pektin sebesar 7,91% dihasilkan dari tingkat pH 2 (K2) pada kedua tipe pelarut. Untuk memperoleh pektin bermetoksil rendah dari kulit jeruk nipis direkomendasikan menggunakan pelarut P2K2 (amonium oksalat+asam oksalat, asam klorida; pH 2) pada suhu ekstraksi 100oC.English Version AbstractSpontaneously production of low methoxyl pectin from peel of Citrus aurantifolia Swingle using solvent of ammonium oxalate and acidThe development of extraction technology of low methoxyl pectin/LMP continue to be explored caused by limited the plant source. The research objective was to obtain low methoxyl pectin directly from the pectin extraction of lime peel (Citrus aurantifolia Swingle). The study was preceeded by a twostage preliminary researches using a completely randomized design, each of which was to obtain the best temperature (first stage) and duration of extraction (second stage) to be used as a condition of extraction process in the primary research. The primary research used factorial completely randomized design with three replications. The first factor was solvent type (P): P1 (ammonium oxalate+oxalic acid), citric acid) and P2 (ammonium oxalate+oxalic acid, hydrochloric acid), and the second factor was pH (K): K1 (pH 1) and K2 (pH 2), as well as control was solvent P0 [citric acid (t1), hydrochloric acid (t2); pH 2.0]. Successive two-stage extraction on 100°C was done for 45 minutes using ammonium oxalate+oxalic acid followed by 10 minutes using citric acid or hydrochloric acid. Measurement parameters included yield, degree of esterification (DE), anhidrouronic acid/AUA levels, methoxyl content, moisture content, ash content, and equivalent weight. From the results of research, the interaction between solvent tipe and acidity level of P2K2 (ammonium oxalate+oxalic acid, hydrochloric acid; pH 2) could directly produce LMP from extraction of lime peel characterized by DE of 45.77%, methoxyl content of 1.53% and ash content of 4.77%. Effect of solvent of ammonium oxalate+oxalic acid, hydrochloric acid (P2) at both pH levels resulted pectin yield of 10.0%, AUA of 19.21%, and equivalent weight of 1878.82. The pectin moisture of 7.91% was produced from acidity of pH 2 (K2) on both type of solvent. To obtain LMP from peel of Citrus aurantifolia Swingle it was recommended to use the extraction solvent of P2K2 (ammonium oxalate+oxalic acid, hydrochloric acid; pH 2) on temperature of 100oC.
Prediksi Masa Kedaluwarsa Wafer dengan Artificial Neural Network (ANN) Berdasarkan Parameter Nilai Kapasitansi Saleh, Erna Rusliana Muhamad; Noor, Erliza; Djatna, Taufik; Irzaman, Irzaman
agriTECH Vol 33, No 4 (2013)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/agritech.9541

Abstract

Wafer is type of biscuit frequently found on expired condition in market, therefore prediction method should be implemented to avoid this condition. apart from the prediction of shelf-life of wafer done by laboratory test, which were time-consuming, expensive, required trained panelists, complex equipment and suitable ambience, artificial neural network (ANN) based dielectric parameters was proposed in nthis study. The aim of study was to develop model to predict shelf-life employing aNN based capacitance parameter. Back propagation algorithm with trial and error was applied in variations of nodes per hidden layer, number of hidden layers, activation functions, the function of learnings and epochs. The result of study was the model was able to predict wafer shelf-life. The accuracy level was shown by low MSE value (0.01) and high coefficient correlation value (89.25%).ABSTRAKWafer adalah jenis makanan kering yang sering ditemukan kedaluwarsa. Penentuan masa kedaluwarsa dengan observasi laboratorium memiliki beberapa kelemahan, diantaranya memakan waktu, panelis terlatih, suasana yang tepat, biaya dan alat uji yang kompleks. alternatif solusinya adalah penggunaan artificial Neural Network (ANN) berbasiskan parameter kapasitansi. Tujuan kerja ilmiah ini adalah untuk memprediksi masa kedaluwarsa wafer menggunakan aNN berbasiskan parameter kapasitansi. algoritma pembelajaran yang digunakan adalah Backpropagation dengan trial and error variasi jumlah node per hidden layer, jumlah hidden layer, fungsi aktivasi, fungsi pembelajaran dan epoch. Hasil prediksi menunjukkan bahwa aNN hasil pelatihan yang dikombinasikan dengan parameter kapasitansi mampu memprediksi masa kedaluwarsa wafer dengan MSE terendah 0,01 dan R tertinggi 89,25%.
(The Effect of Acetate Anhhhydrida Ratio in the Process of Cellulose Acetylation of Pulp from Sengon (Paraserianthe falcataria) on the Production of Cellulose Triacetate Polymer) Meurah Rosnelly, Cut; Aziz Darwis, Abdul; Noor, Erliza; -, Kaseno
Warta Industri Hasil Pertanian Vol 27, No 01 (2010)
Publisher : Balai Besar Industri Agro

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Abstract

Almost all of Cellulose acetate is produced by reaction of cellulose and acetic anhydride using strong acids as catalyst and acetic acid as a solvent. A typical industrial process requires very high quality cellulose raw materials having a high a-cellulose content. The cellulose used as a raw material in this research is wood pulp of sengon (Paraserianthes falcataria) due to fast growing species and has potential used as a raw material as if has a high cellulose content. The main objective of this research was to obtain condition for making cellulose triacetate by applying applying ratio levels of acetic anhydride toward cellulose in acetylation process. Cellulose triacetate flake was produced by activation and acetylation process. Activation was carried out by mixing cellulose of sengon pulp with glacial acetic in proportion  1:8 at 50oC about 15; 30; 60; 90, and 120 minutes. Acetylation is then conducted using reagents in following proportions relative to the pulp mass; variable of acetic anhydride ratio (3.35:1), (4:1), (5:1), and (6:1), acetic acid as solvent (4.5 : 1), sulfuric acid (0.015 : 1) as catalyst while controlling the reaction temperature at 50oC for 60 minutes. The result showed anhydride toward cellulose 3.35 in acetylation process.
Penilaian aliran limbah elektronika di DKI Jakarta menggunakan Material Flow Analysis (MFA) Rimantho, Dino; Noor, Erliza; Eriyatno, Eriyatno; Effendi, Hefni
Jurnal Ilmu Lingkungan Vol 17, No 1 (2019): April 2019
Publisher : Program Studi Ilmu Lingkungan,Program Pascasarjana, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (997.184 KB) | DOI: 10.14710/jil.17.1.120-129

Abstract

Electronic equipment is produced to meet human needs, so this will also have a significant impact on increasing the rate of e-waste generation in landfills in almost all countries. One of the environmental pollution issues that are of concern throughout the world is the management of e-waste (e-waste). This is due to the rapid increase in the use of electronic products. Thus, the existence of electrical and electronic equipment becomes shorter and becomes obsolete. The absence of information related to the volume of e-waste generation and material flow is one of the problems of the Indonesian government in managing e-waste. Therefore, the purpose of this paper is to calculate e-waste and analyze material flow. The method used in this study is Material Flow Analysis (MFA). Furthermore, a survey of household and informal sector respondents was used. The questionnaire adopted from UNEP was modified and distributed to 400 households and 54 informal sectors in DKI Jakarta. The results show the total rate of generation of e-waste produced aaproximately 7713.42013 kg/year. Furthermore, it is necessary to develop several strategies in order to avoid negative impact. This research can be information in filling the data limitations and management of sustainable e-waste in DKI Jakarta.
(The Effect of Acetate Anhhhydrida Ratio in the Process of Cellulose Acetylation of Pulp from Sengon (Paraserianthe falcataria) on the Production of Cellulose Triacetate Polymer) Meurah Rosnelly, Cut; Aziz Darwis, Abdul; Noor, Erliza; -, Kaseno
Warta Industri Hasil Pertanian Vol 27, No 01 (2010)
Publisher : Balai Besar Industri Agro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (6159.962 KB)

Abstract

Almost all of Cellulose acetate is produced by reaction of cellulose and acetic anhydride using strong acids as catalyst and acetic acid as a solvent. A typical industrial process requires very high quality cellulose raw materials having a high a-cellulose content. The cellulose used as a raw material in this research is wood pulp of sengon (Paraserianthes falcataria) due to fast growing species and has potential used as a raw material as if has a high cellulose content. The main objective of this research was to obtain condition for making cellulose triacetate by applying applying ratio levels of acetic anhydride toward cellulose in acetylation process. Cellulose triacetate flake was produced by activation and acetylation process. Activation was carried out by mixing cellulose of sengon pulp with glacial acetic in proportion  1:8 at 50oC about 15; 30; 60; 90, and 120 minutes. Acetylation is then conducted using reagents in following proportions relative to the pulp mass; variable of acetic anhydride ratio (3.35:1), (4:1), (5:1), and (6:1), acetic acid as solvent (4.5 : 1), sulfuric acid (0.015 : 1) as catalyst while controlling the reaction temperature at 50oC for 60 minutes. The result showed anhydride toward cellulose 3.35 in acetylation process.