Budi Nurtama
Departemen Ilmu dan Teknologi Pangan, Fakultas Teknologi Pertanian, Institut Pertanian Bogor, Bogor

Published : 12 Documents
Articles

Found 12 Documents
Search

PENINGKATAN MUTU MI KERING JAGUNG DENGAN PENERAPAN KONDISI OPTIMUM PROSES DAN PENAMBAHAN MONOGLISERIDA [Quality Improvement of Dried Corn Noodle through the Optimization of Processing Conditions and Addition of Monoglyceride] Subarna, .; Muhandri, Tjahja; Nurtama, Budi; Firlieyanti, Antung Sima
Jurnal Teknologi Dan Industri Pangan Vol 23, No 2 (2012): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (483.656 KB) | DOI: 10.6066/6152

Abstract

Peningkatan Mutu Mi Kering Jagung dengan peneRAPAN Kondisi optimum Proses dan Penambahan Monogliserida [Quality Improvement of Dried Corn Noodle through the Optimization of Processing Conditions and Addition of Monoglyceride] Subarna*, Tjahja Muhandri, Budi Nurtama dan Antung Sima Firlieyanti Departemen Ilmu dan Teknologi Pangan, Fakultas Teknologi Pertanian, Institut Pertanian Bogor, Bogor   Diterima 08 November 2011 / Disetujui 08 Mei 2012 ABSTRACT                       The objective of this research was to improve the quality of dried corn noodle through the optimization of processing condition using a cooking-forming extruder and the addition of monoglyceride. The process conditions was optimized using Response Surface Methodology (RSM) based on two processing parameters i.e., extruder temperatures (80-90°C) and screw speeds (75-125 rpm). The optimum condition of cooking extrusion was obtained at 90°C and 75 rpm. However, the noodle firmness and stickiness were unsatisfactory. The use of 1% Glyseryl Mono Stearate significantly improved the quality of the noodle with acceptable firmness, elasticity, and elongation. However, the cooking loss and stickiness were still high.   Keywords: dried corn noodle, Glyseryl Mono Stearate, noodle quality, preference test, Response Surface Methodology ABSTRAK   Penelitian bertujuan untuk meningkatkan mutu mi kering jagung melalui optimasi proses menggunakan ekstruder pemasak-pencetak dan penambahan mono gliserida. Optimasi proses dilakukan menggunakan Response Surface Methodology (RSM) dengan dua variabel proses yaitu suhu ekstruder (80-90ºC) dan kecepatan ulir ekstruder (75-125 rpm). Kondisi proses optimum diperoleh pada suhu 90ºC dan kecepatan ulir 75 rpm. Mutu kekerasan dan kelengketan mi belum memuaskan. Penggunaan 1% Gliseril Mono Stearat dapat meningkatkan penerimaan mutu kekerasan, elastisitas dan elongasi mi secara signifikan. Kelemahan yang muncul adalah cooking loss dan kelengketan mi masih tinggi.   Kata kunci: mi kering jagung, Glyseryl Mono Stearate, mutu mi, uji penerimaan, Response Surface Methodology
PENINGKATAN MUTU MI KERING JAGUNG DENGAN PENERAPAN KONDISI OPTIMUM PROSES DAN PENAMBAHAN MONOGLISERIDA [Quality Improvement of Dried Corn Noodle through the Optimization of Processing Conditions and Addition of Monoglyceride] Subarna, .; Muhandri, Tjahja; Nurtama, Budi; Firlieyanti, Antung Sima
Jurnal Teknologi dan Industri Pangan Vol 23, No 2 (2012): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (483.656 KB) | DOI: 10.6066/jtip.2012.23.2.146

Abstract

The objective of this research was to improve the quality of dried corn noodle through the optimization of processing condition using a cooking-forming extruder and the addition of monoglyceride. The process conditions was optimized using Response Surface Methodology (RSM) based on two processing parameters i.e., extruder temperatures (80-90°C) and screw speeds (75-125 rpm). The optimum condition of cooking extrusion was obtained at 90°C and 75 rpm. However, the noodle firmness and stickiness were unsatisfactory. The use of 1% Glyseryl Mono Stearate significantly improved the quality of the noodle with acceptable firmness, elasticity, and elongation. However, the cooking loss and stickiness were still high.
Pemanfaatan Pati Biji Durian (Durio zibethinus Murr.) dan Pati Sagu (Metroxylon sp.) Dalam Pembuatan Bioplastik Cornelia, Melanie; Syarief, Rizal; Effendi, Hefni; Nurtama, Budi
Jurnal Kimia dan Kemasan Vol. 35 No. 1 April 2013
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1162.154 KB)

Abstract

Bioplastik adalah plastik yang dapat didegradasi oleh mikroba yang ada di dalam tanah karena adanya kandungan pati di dalamnya. Bioplastik diharapkan merupakan salah satu solusi dari masalah lingkungan yang disebabkan oleh penumpukan sampah kantong plastik belanja yang menjadi beban lingkungan. Secara komersial sudah ada bioplastik yang diproduksi dengan variasi jumlah penambahan pati singkong atau pati jagung, namun kendalanya adalah harga produk masih mahal jika dibandingkan dengan harga kantong plastik konvensional pada umumnya, karena tepung dan pati tersebut masih dibutuhkan di sektor pangan dan energi. Pada penelitian ini bioplastik dibuat dengan menggunakan pati yang diekstraksi dari biji durian yang selama ini merupakan limbah, untuk dicampur dengan biji plastik LDPE pada variasi konsentrasi pati 0% sampai 50%. Sebagai pembanding dipakai pati dari empulur sagu, sehingga karakteristik fisik seperti warna dan sifat mekanik dari bioplastik seperti kekuatan tarik, perpanjangan putus, dan kekerasan dapat dibandingkan. Uji penurunan berat bioplastik dilakukan dengan pemendaman di dalam tanah selama 8 minggu. Hasil uji Anova menunjukkan perlakuan jenis pati dan konsentrasi pati yang ditambahkan tidak beda nyata (p>0,05) terhadap kehilangan berat plastik. Analisis SEM dilakukan untuk membandingkan rongga diantara molekul pati dengan polimer plastik pada perbesaran 2500x yang menyebabkan kekuatan mekanik plastik menjadi berkurang dan rapuh ketika ditarik. Pati biji durian 10% terbukti optimal dapat digunakan sebagai substitusi polimer tanpa penambahan aditif dalam pembuatan bioplastik, dengan karakteristik mekanik yang dapat dibandingkan dengan pati sagu dan pati singkong, namun memiliki laju degradasi yang lebih rendah. 
OPTIMASI FORMULA KUAH JAHE DALAM PENGEMBANGAN WEDANG TAHU SEBAGAI PANGAN FUNGSIONAL Palupi, Nurheni Sri; Wardiani, Larasati Ines; Nurtama, Budi
Jurnal Teknologi dan Industri Pangan Vol 27, No 1 (2016): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (380.251 KB) | DOI: 10.6066/jtip.2016.27.1.95

Abstract

Soft tofu dessert is a traditional food made from soft tofu and ginger drink. The traditional ginger drinkcontains antioxidant compounds. There are many varieties of ginger in Indonesia which have different antioxidant activities. Partially subtitution of Zingiber officinale var. Rubrum by Zingiber officinale var. Amarum was expected to improve sensory characteristics and antioxidant activity of traditional ginger drink. The objective of this research was to improve the formula of ginger drink based on sensory characteristics and antioxidant activity in the development of soft tofu dessert as a functional food. Optimization was done by Response Surface Methodology (RSM) based on the value of lightness (L) and °Hue of ginger drink which measured by Chromameter and antioxidant activity determined by DPPH method. Independent variables using in this optimization were the concentration of ginger and brown sugar. The optimal formula of ginger drink and its application in soft tofu dessert were analyzed by the hedonic rating method. The result of optimal formula consisted of 10.00% Zingiber officinale var. Rubrum, 9.99% Zingiber officinale var. Amarum, and 10.00% brown sugar with a desirability value of 0.822. The antioxidant activity of the optimal formula of ginger drink was AEAC 553.40 ppm, lightness (L) value was 40.03, and oHue was 74.67. The result of sensory test showed that the panelist preference for optimal formula was higher than for the traditional formula of ginger drink, while the acceptance level of the optimal formula was also higher than the tradisional formula of soft tofu dessert.
OPTIMASI PEMBUATAN SOHUN UBI JALAR MENGGUNAKAN EKSTRUDER PEMASAK-PENCETAK Muhandri, Tjahja; Subarna, Subarna; Koswara, Sutrisno; Nurtama, Budi; Fatmala, Dewi; Ariefianto, Dimas Imam
Jurnal Teknologi dan Industri Pangan Vol 28, No 1 (2017): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (436.861 KB) | DOI: 10.6066/jtip.2017.28.1.36

Abstract

Sweet potatoes have a fairly diverse varieties and the difference in varieties is assumed to influence the starch physicochemical properties. The objective of this research was to optimize the sweet potato vermicelli production using a cooking-forming extruder. The starch characterization included proximate analysis, starch content, amylose content and gelatinization profile. Sweet potato vermicelli was made with the starch of sweet potaoto Ace variety. Meanwhile, process and formula optimization was carried out using Response Surface Methodology (RSM). The amount of starch used was in the range of 62.5–69.0 g, the amount of water was 31.0–37.5 g, extruder temperature of 80-90°C and screw rotation of 90-120 rpm. The starch of sweet potato Ace variety had the highest level of carbohydrate, total starch and amylose (99.16, 86.91, and 8.77% db, respectively). It also had the most excellent cooking endurance as shown by the lowest breakdown viscosity (5183.33 cP), and the best tendency of retrogradation as shown by the highest setback viscosity (1328.00 cP). The optimum combination for the vermicelli making was 65.2 g of starch, 34.8 g of water, extruder temperature of 85°C and screw rotation of 115 rpm. The sweet potato vermicelli from the optimum condition resulted in 20.85% actual cooking loss and 164.98% elongation. Process improvement with freezing and fan drying of the vermicelli produced a better quality of vermicelli with 12.90% cooking loss and 196.42% elongation.
Optimasi Proses Pembuatan Bubuk Oleoresin Lada (Piper nigrum) Melalui Proses Emulsifikasi dan Mikroenkapsulasi Wijaya, Christofora Hanny; Nurtama, Budi
Agritech Vol 36, No 2 (2016)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/agritech.12856

Abstract

The aim of this study was to improve the quality of pepper product by optimize process of emulsification and microencapsulation. The experimental design used in this study was Response Surface Methodology (RSM). The results showed that the selected emulsifier was arabic gum that had the highest solubility in water (99.78%). The optimum point of emulsification occured at 15% of concentration arabic gum and 4 minutes of homogenization time with the result was solubility in water 99.80%, and emulsion stability 97.78%. The optimum point of microencapsulation process occured at 3:1 of maltodextrin and sodium caseinate ratio, 10% of coating material concentration, and 180°C of drying temperature with the result was essential oil content 1.04%, solubility in water 98.18%, surface oil 0.20%, water content 2.45%, oil recovery 77.07%, and the yield of microcapsule 69.87%.ABSTRAKPenelitian ini bertujuan untuk memperbaiki kualitas mutu produk oleoresin lada melalui optimasi proses emulsifikasi dan mikroenkapsulasi. Rancangan percobaan yang digunakan adalah Response Surface Methodology (RSM). Hasil penelitian menunjukkan bahan pengemulsi yang terpilih adalah gum arab yang memiliki kelarutan tertinggi dalam air (99,78%). Titik optimum proses emulsifikasi terjadi pada konsentrasi gum arab 15% dan lama homogenisasi 4 menit yang memberikan nilai kelarutan dalam air 99,80% dan stabilitas emulsi 97,15%. Titik optimum proses mikroenkapsulasi terjadi pada rasio maltodekstrin dan natrium kaseinat (3:1), konsentrasi bahan penyalut 10%, dan suhu inlet pengeringan 180°C yang memberikan nilai kadar minyak atsiri 1,04%, kelarutan dalam air 98,18%, kadar surface oil 0,20%, kadar air 2,45%, oil recovery 77,07%, dan rendemen 69,87%.
Aktivitas Antimikroba Minyak Esensial Jahe Merah (Zingiber officinale var. Rubrum) dan Lengkuas Merah (Alpinia purpurata K. Schum) terhadap Bakteri Patogen dan Perusak Pangan Rialita, Tita; Rahayu, Winiati Pudji; Nuraida, Lilis; Nurtama, Budi
Agritech Vol 35, No 1 (2015)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/agritech.9418

Abstract

The aims of this study was to determine the characteristics, composition and antimicrobial activity of essential oils of local Indonesian red ginger and red galangal against four pathogenic and food spoilage bacteria, which were B. cereus ATCC 10876, E. coli ATCC 25922, S. typhimuriumATCC 14028, and P. aeruginosa ATCC 27853. Analysis of physicochemical characteristics was carried outin accordance with ISO7355:1985. The chemical compositionwas analyzed using aGC-MS. The antimicrobial activity was determined by disc diffusion method and broth microdillution method was used for determine MIC and MBC values. Red ginger essential oil characteristic was brownish yellow, specific gravity 0.883, refractive index 1.480, optical rotation -8.45o, clear soluble (1:1) in 90 % alcohol, 2.06 acid number and 42.45 ester number. Redgalangal essential oil had a characteristic bright yellow color, specific gravity 0.895, refractive index 1.496, optical rotation -9.15o, clear soluble (1:1) in 90 % alcohol, 1.95 acid number and 140.15 ester number. The major component of red ginger essential oils were trimethyl-heptadien-ol, ar-curcumene, camphene, carbaldehyde, sesquiphellandrene, and nerol; while the major component of red galangal essential oil were 1.8-cineole, chavicol, 9-desoxo-9-xi-hydroxy-3-pentaacetate-3,5,7,8,9,12-Ingol, -caryophyllene and -selinene. The essential oil of red ginger and red galangal hadmoderate antibacterial activity against pathogenic and food spoilage bacteria with the average inhibition zone 7.17-10.33 and 7.25-11.17mm. Red ginger essential oils could inhibit the growth of tested bacteria with MIC values of 2.65-3.97 mg/mL and MBC value of 3.10-5.29 mg/mL, while the red galangal essential oil could inhibit the growth of tested bacteria with MIC values of 1.79-4.03 mg mL and MBC values of 1.79-4.92 mg/mL. Based on the MIC and MBC values, all tested bacteriasensitivity to essential oils of red ginger and galangal red decline in a row B.cereus > E. coli > S. typhimurium> P. aeruginosa. Sensitivity of Gram positive and Gram negative bacteria to both essential oils demonstrate the potential of the oils to be used as a natural preservative in the food industry. ABSTRAKPenelitian ini bertujuan untuk mengetahui karakteristik, komposisi dan aktivitas antimikroba minyak esensial jahe merah dan lengkuas merah lokal Indonesia terhadap empat spesies bakteri patogen dan perusak pangan, yaitu B.cereus ATCC 10876, E.coli ATCC 25922, S. typhimurium ATCC 14028, dan P. aeruginosa ATCC 27853. Analisis karakteristik fisika-kimia dilakukan sesuai standar ISO 7355:1985. Komposisi kimia dianalisis menggunakan alat GC-MS. Pengujian aktivitas antimikroba dilakukan dengan metode difusi cakram untuk menentukan zona hambat, sertabroth microdillution untuk menentukan nilai Minimum Inhibitory Concentration (MIC) dan Minimum Bactericidal Concentration (MBC). Karakteristik minyak esensial jahe merah yang dihasilkan yaitu kuning kecoklatan, berat jenis 0,883, indeks bias 1,480, putaran optik -8.45, larut jernih (1:1) dalam alkohol 90%, bilangan asam 2,06, dan bilangan ester 42,45. Minyak esensial lengkuas merah memiliki karakteristik warna kuning terang, berat jenis 0,895, indeks bias 1,496, putaran optik -9.15, larut jernih (1:1) dalam alkohol 90%, bilangan asam 1,95 dan bilangan ester 140,15. Komponen mayor minyak esensial jahe merah terdiri dari trimethyl-heptadien-ol, ar-curcumene, camphene, carbaldehyde, -sesquiphellandrene, dan nerol; sedangkan komponen mayor minyak esensial lengkuas merah terdiri dari 1.8-cineole, chavicol,9-desoxo9-xi-hydroxy-3,5,7,8,9,12-pentaacetat-ingol, -caryophyllenedan -selinene. Minyak esensial jahe merah dan lengkuas merah memiliki aktivitas antibakteri yang bersifat moderat terhadap bakteri patogen dan perusak pangan, dengan kisaran zona hambat rata-rata 7,17-10,33 mm dan 7,25-11,17 mm. Minyak esensial jahe merah dapat menghambat pertumbuhan bakteri uji pada nilai MIC 2,65-3,97 mg/mL dan nilai MBC 3,10-5,29 mg/mL, sedangkan minyak esensial lengkuas merah dapat menghambat bakteri uji dengan nilai MIC 1,79-4,03 mg/mL dan nilai MBC 1,79-4,92 mg/mL. Berdasarkan nilai MIC dan MBC, sensitivitas bakteri uji terhadap minyak esensial jahe merah dan lengkuas merah menurun berturut-turut dari B. cereus > E. coli > S. typhimurium > P. aeruginosa. Sensitivitas bakteri Gram positif dan Gram negatif terhadap kedua minyak esensial ini menunjukkan potensi minyak esensial jahe merah dan lengkuas merah untuk digunakan sebagai pengawet alami di industri pangan.
The Optimization of Frying Process of Tumpi-tumpi from Milkfish used Response Surface Methodology Syahrul, Syahrul; Syarief, Rizal; Hermanianto, Joko; Nurtama, Budi
Jurnal Pengolahan Hasil Perikanan Indonesia Vol 20, No 3 (2017): Jurnal Pengolahan Hasil Perikanan Indonesia 20(3)
Publisher : Department of Aquatic Product Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (384.03 KB) | DOI: 10.17844/jphpi.v20i3.19762

Abstract

Tumpi-tumpi is a traditional food from South and West Sulawesi (ethnic Bugis-Makassar) using fishas raw material. The quality parameters of tumpi-tumpi, especially in terms of oil absorption, color andtexture were affected by the condition of the frying process (including the percentage of coating materials,temperature and frying time). This study was aimed to assess the production technology of the tumpi-tumpithrough frying process optimization of deep fat frying using Design Expert 7.0® software with ResponseSurface Methodology (RSM) Box-Behnken Design producing an optimal response. The results showed thatthe response of color (L value, ohue) and texture (hardness, cohesiveness) of tumpi-tupi were significantlyinfluenced by the percentage of coating materials as well as frying temperature and time. The optimizationusing software Design Expert 7.0® with RSM Box-Behnken produced the optimal processing formula of1.5% coating materials, 150oC frying temperature and 30 s frying time produced the tumpi-tumpi withproperties as follows: 62.25 of L (lightness) value indicating a bit light, 78.73 of ohue indicating yellow redcolor, 15407.60 gs hardness reflecting moderat hardness and 0.51 g/g cohesiveness impressing slight chewy.
Pengembangan Mi Bebas Gluten dengan Teknologi Ekstrusi Mojiono, Mojiono; Nurtama, Budi; Budijanto, Slamet
JURNAL PANGAN Vol 25, No 2 (2016): PANGAN
Publisher : Perum BULOG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33964/jp.v25i2.328

Abstract

Diversifications of raw materials for noodle preparation using local carbohydrate sources offer considerable advantages through lowering wheat demand and providing specially-designed food such as gluten-free diet. Structural formations of gluten-free noodles substantially differ from wheat-based noodles due to the presence of gluten. Therefore, studies on starch characteristics including the ratio of amylose and amylopectin, granule morphology, and gelatinization properties are absolutely essential since they are responsible for noodle quality. Starch modification, for instance, HMT (heat moisture treatment), is a promising technique to improve starch properties for noodle preparation. Furthermore, processing conditions also account for noodle quality. Extrusions constitute an appropriate technology for the development of noodle processing technique as it gelatinizes starch and produces pressing and kneading effects that are required to form desirable noodle structure. This paper reviews current studies of gluten-free noodles and extrusion technology for noodle production.
Optimasi Formula Sari Edamame dengan Proses Pasteurisasi Berdasarkan Karakteristik Kimia dan Sensori Nur, Rizaludin; Lioe, Hanifah Nuryani; Palupi, Nurheni Sri; Nurtama, Budi
Jurnal Mutu Pangan (Indonesian Journal of Food Quality) Vol 5, No 2 (2018)
Publisher : Jurnal Mutu Pangan (Indonesian Journal of Food Quality)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Edamame is a type of white soybeans from Japan but has been cultivated in Indonesia. It is commonly harvested as immature green soybeans. One of its products is edamame milk. This research is aimed to determine the optimized condition for edamame milk formula in terms of isoflavones, total phenolics, antioxidant activity and sensory characteristics (color, taste, aroma and overall) and to verify the optimized formula at optimum conditions according to the suggested result. The research was conducted in four stages. At 1st stage, pasteurization process at 72⁰C for 15 seconds was selected for edamame milk formula, based on hedonic test result. Optimization at the second step indicated that the optimum formula obtained was 1:6 ratio edamame:water and 0.20% food additive concentration for emulsifier and stabilizer. At the third stage, the verification results showed the product had matched with the prediction values: antioxidant activity at 1.61 mg ascorbic acid/100g, isoflavone content at 41.94 µg/g, total phenolics at 99.92 mg GAE/100 mL and acceptable organoleptic properties (scale 1-7) which gave color at 5.88, taste at 4.69, aroma at 5.36 overall at 5.23. At the four stage, comparison with commercial soybean milks, exhibited that edamame milk had higher content of antioxidant activity, isoflavones and total phenolics.