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Biopropal Industri

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Published by Kementerian Perindustrian Republik Indonesia

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Core Subject : Agriculture, Engineering,

Agriculture, Biological Sciences & Forestry Industrial & Manufacturing Engineering

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Articles 208 Documents

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KARAKTERISASI TEPUNG KOMPOSIT BERBASIS MOCAF DAN KACANG-KACANGAN SEBAGAI BAHAN BAKU BISKUIT MP-ASI (Characterization of Composite Flour Based on Mocaf and Beans Flour as Ingredient for Weaning Food) Lia Ratnawati; Riyanti Ekafitri; Dewi Desnilasari
Biopropal Industri Vol 10, No 2 (2019)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

Mocaf flour is able to replace wheat flour as raw material for MP-ASI biscuits (weaning food) because it contains high carbohydrates. Low protein content of mocaf flour requires the addition of bean flour to form composite flour which is suitable for MP-ASI biscuits. The purpose of this study was to determine the physicochemical, functional and gelatinization properties of composite flour from mocaf and beans. The types of beans used were soybean, mung bean and red bean. Those type of beans flour was added 40% for each composite flour formulation. The results showed that the addition of beans flour into mocaf flour was significantly affected the increase in ash content, protein, fat, solubility, emulsion activity and stability, foam capacity and stability and gelatinization temperature. The addition of beans flour also significantly affected the decrease in starch, amylose content, swelling power, oil absorption capacity and gelatinization profile (peak, breakdown, final and setback viscosity) of the composite flour. Mocaf-mung bean composite flour was recommended as a raw material for making MP-ASI biscuits because it has low solubility and high bulk density and met the Indonesian standard (SNI) of MP-ASI biscuits which requires minimum 6% protein content, maximum 18% fat and maximum 5% dietary fiber.Keywords: functional properties, gelatinization profile, mocaf flour, physicochemical properties, weaning food. ABSTRAKTepung mocaf dapat digunakan sebagai pengganti terigu pada pembuatan biskuit MP-ASI (Makanan Pendamping Air Susu Ibu) karena mengandung karbohidrat yang tinggi. Kadar protein yang rendah dari tepung mocaf memerlukan penambahan tepung kacang-kacangan sebagai sumber protein sehingga membentuk tepung komposit yang sesuai untuk bahan baku biskuit MP-ASI. Tujuan penelitian ini adalah untuk mengetahui karakteristik sifat fisikokimia, fungsional dan profil gelatinisasi dari tepung komposit mocaf dan kacang-kacangan. Jenis kacang-kacangan yang digunakan adalah kedelai, kacang hijau dan kacang merah.Setiap jenis tepung kacang-kacangan ditambahkan sebesar 40% untuk masing-masing formulasi tepung komposit. Hasil penelitian menunjukkan bahwa penambahan tepung kedelai, kacang hijau dan kacang merah secara signifikan berpengaruh terhadap peningkatan kadar abu, protein, lemak, kelarutan, aktivitas dan stabilitas emulsi, kapasitas dan stabilitas foam dan suhu gelatinisasi. Penambahan tepung kacang-kacangan pada tepung mocaf juga berpengaruh signifikan terhadap penurunan kadar pati, amilosa, swelling power, kapasitas penyerapan minyak serta profil gelatinisasi (viskositas puncak, breakdown, akhir dan setback) dari tepung komposit yang dihasilkan. Tepung komposit mocaf-kacang hijau adalah yang direkomendasikan sebagai bahan baku pembuatan biskuit MP-ASI karena memiliki kelarutan yang rendah dan densitas kamba yang tinggi serta memenuhi persyaratan SNI biskuit MP-ASI yang mensyaratkan kandungan protein minimal 6%, lemak maksimal 18% dan serat pangan maksimal 5%.Kata kunci: biskuit MP-ASI, profil gelatinisasi, sifat fisikokimia, sifat fungsional, tepung mocaf.

SELEKSI DAN IDENTIFIKASI BAKTERI ENDOFIT POTENSIAL PENGHASIL ENZIM PROTEASE DARI TAMAN NASIONAL GUNUNG HALIMUN - (The Selection and Identification of Potential Endophyte Bacteria as Protease Enzyme Producer from Halimun Mount National Park) Ruth Melliawati; Rohmattusolihat Rohmattusolihat; Nuryati Nuryati; Nanik Rahmani; Yopi Yopi
Biopropal Industri Vol 7, No 2 (2016)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

Endophytic bacteria have an equal chance to bacteria that live outside the plant tissue as potential bacteria. The selection has done towards 326 bacterial endophyte isolates. This research aimed to find and identify proteolytic potential isolates. The proteolytic selection of endophytic bacteria had done using solid skim milk. The capability of endophytic bacteria to agglomerate milk was tested using liquid skim milk which incubated for 7 days at room temperature. Enzyme production of four selected isolates was made through fermentation in GYS medium. The results showed that 86 isolates have proteolytic potential. Isolate HL.29B.63 had highest protease enzymes activity (65.918 U/mL). Medium optimization was able to increase the enzyme activity into 89.94% (125.04 U/mL). The analysis used 16s rDNA showed that isolate HL.29B.63 was Bacillus amyloliquefacient subs. plantarum strain FZB42.Keywords: endophytic bacteria, fermentation, identification, protease, selection ABSTRAKBakteri endofit mempunyai peluang yang sama dengan bakteri yang hidup diluar jaringan tanaman sebagai bakteri potensial. Seleksi dilakukan terhadap 326 isolat bakteri endofit. Tujuan penelitian ini adalah mencari isolat yang berpotensi proteolitik dan mengidentifikasinya. Seleksi proteolitik terhadap bakteri endofitik menggunakan skim milk padat. Uji kemampuan bakteri endofitik dalam menggumpalkan susu menggunakan medium skim milk cair yang diinkubasi selama 7 hari pada suhu ruang. Produksi enzim terhadap empat isolat terseleksi dilakukan melalui fermentasi dalam medium GYS. Hasilnya menunjukkan bahwa 86 isolat mempunyai potensi proteolitik. Isolat HL.29B.63 mempunyai aktif enzim protease tertinggi (65,918 U/mL). Optimasi medium dapat meningkatkan aktivitas enzim sebesar 89,94% (125,04 U/mL). Analisis menggunakan 16s rDNA menunjukkan bahwa isolat HL.29B.63 adalah Bacillus amyloliquefaciens subs. plantarum strain FZB42.Kata kunci: bakteri endofit, fermentasi, identifikasi, protease, seleksi

Comparison of Carbopol and Carboxymethyl Cellulose as Thickener on Making Bioethanol Gel Sukma Budi Ariyani; Nana Supriyatna
Biopropal Industri Vol 4, No 2 (2013)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

Bioethanol gel is a new form of liquid bioethanol that has been given a thickening agent. This type of bioethanol is believed could make its transportation and utilization safer. This study aimed to compare the carbopol and carboxymethyl cellulose as thickener agents and to characterize the bioethanol gel produced. In this research, carbopol and carboximethyl used for making bioethanol gel were1.5, 3, 4.5 and 6 g. Then flame color, length of flame and viscosity were tested. The best bioethanol gel produced obtained on the addition of carbopol 6 g. Its characteristics were clear white color, the flame color is blue reddish, length of flame per 5 g is 5 minutes 17 seconds, and viscosity 1,380,000 cP. The boiling water test result on 100 ml of water by using 15 g of bioethanol gel takes 16 minutes.

The Effect of Settling Agent on Bromelain Enzyme Isolation from Pineapple Core Farid Salahudin
Biopropal Industri Vol 2, No 1 (2011)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

Pineapple is one of the most potential agricultural commodities from West Kalimantan. Pineapple is the promising source of protease enzyme which is called bromelaine enzyme. The aim of this research was to obtain the best technology of bromelain enzyme isolation. The variable in this research were the concentration of ammonium sulphate and ethanol which their degrees were 20, 40, 60 and 80%. Enzyme isolate was tested the activity of protease enzyme with the modification of lowry method. The technology of enzyme isolation with ammonium sulfat 80% is can produced the best of enzyme isolate with 0,61% rendement and the enzyme activity is 12.500 U/ml.

Biofertilizer from West Kalimantan Seaweeds and Its Trialson Alluvial Soils Pramono Putro Utomo
Biopropal Industri Vol 3, No 2 (2012)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

Coastal areas of West Kalimantan province are rich with seaweed. To increase its economic value, seaweed could be used as primary materials for organic fertilizer production. This research was conducted to find the optimum combination of seaweeds used for organic fertilizer production using Brassica rapa as test plant on alluvial soils. Most dominant seaweeds found were used for biofertilizer production. Three types of seaweeds used were brown (Phaeophyceae), red (Rhodophyceae), and green (Chlorophyceae). Formulations used were 1:1:1, 1:1:2, 1:2:1, and 2:1:1. The formulation that met the biofertilizer quality conformance was applied on alluvial soils using Brassica rapa as a test plant. Result showed that 2:1:1 and 1:2:1 ratio of brown-red-green seaweed is the best formulation based on most growth parameters observed on Brassica rapa.

Adsorption of Lead Ion in Water Solutions using Kaolin-Surfactant Modified as Adsorben Alfian Putra; Novia Lestari; Hesti Meilina
Biopropal Industri Vol 6, No 2 (2015)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

Kaolin is one of the natural adsorbent materials. The adsorption ability of kaolin is still low and need to be modified with organic compounds such as surfactants. This research aimed to optimize the lead adsorption in a waste water using modified kaolin. This study modified kaolin adsorben with cationic surfactants which have activated on temperature 300oC during 3 hours in a furnace. The comparison of kaolin and surfactant were 1:0, 1:2, 1:3 and 2:1, respectively while adsorption time were 30, 60 and 90 minute. Lead was used as the artificial waste at a concentration of 100 ppm. The waste from municipal reservoir water storage of Lhokseumawe was used as a benchmark and application. The sample was analyzed by using AAS and characterized by FTIR. The modified adsorben kaolin-surfactan 1:2 gained the highest reduction of efficiency 78% while the lead ion of municipal waste decreased from 4.65 ppm into 2.67 ppm.

CONVERSION OF (±)-CITRONELLAL AND ITS DERIVATIVES TO (-)-MENTHOL USING BIFUNCTIONAL NICKEL ZEOLITE CATALYSTS Indri Badria Adilina; Ralentri Pertiwi; Anny Sulaswatty
Biopropal Industri Vol 6, No 1 (2015)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

(±)-Citronellal and its derivatives were converted to (-)-menthol by a one-pot reaction system using zeolite based nickel catalysts. The catalysts were prepared by immobilization of nickel on natural zeolite (NZ) or synthetic zeolite (ZSM-5) by a simple cation exchange method. Calcination and hydrogen treatment procedures were able to significantly increase the surface area and pore volume of NZ based catalysts whereas negligible changes in the properties were observed for that of ZSM-5. Catalytic reactions were carried out at 70ºC by stirring the mixture in the air for cyclization of (±)-citronellal to (±)-isopulegol followed by hydrogenation towards the desired (-)-menthol at 2 Mpa of H2 pressure. The Ni/NZ catalyst was able to convert a (±)-citronellal derivative yielding 9% (-)-menthol (36% selectivity) with conversion up to 24%, whereas Ni/ZSM5 catalyst directly converted 65% (±)-citronellal to give 4% menthol (6% selectivity). These zeolite based catalysts are therefore potential materials for the conversion of biomass feed stock to value-added chemicals.

Adsorption Capacity of Mercury Using Sargassum crassifolium Activated Adsorbent Imelda H Silalahi; Titin Anita Zahara; Henry Martua Tampubolon
Biopropal Industri Vol 3, No 1 (2012)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

This study aims to determine the maximum adsorption capacity of Hg using activated Sargassum crassifolium adsorbent. Sargassum crassifolium was activated by protonation using sulfuric acid (H2SO4) 1 M followed by heating for 24 hours at 100OC. Optimum conditions of adsorption was discovered through various of pH and contact time to the Hg(II) concentration decrease. The analysis showed that the optimum pH was 7 and contact time was 60 minutes. Finally the maximum adsorption capacity of Hg(II) using activated Sargassum crassifolium adsorbent was 2,90 mmol/g determined by Langmuir Isotherm equation.

Karakterisasi Adsorben dari Kulit Manggis dan Kinerjanya pada Adsorpsi Logam Pb(II) dan Cr(VI) - (Adsorbent Characterization from Mangosteen Peel and Its Adsorption Performance on Pb(II) and Cr(VI)) Ulfa Haura; Fachrul Razi; Hesti Meilina
Biopropal Industri Vol 8, No 1 (2017)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

The usage of biomass waste-based adsorbent for the adsorption of hazardous metal in wastewater is not only reducing waste but also lowering adsorbent price. This research aims to study the characteristics of adsorbent from mangosteen peel (Garcinia Mangostana L.) and activated charcoal from mangosteen peel, also to compare the adsorption performance on metal ion Pb(II) and Cr(VI). Synthetic wastewater used from a solution of Pb(NO3)2 and K2Cr2O7 with variations in initial concentration of 20, 40, 80, 100 and 200 mg/L. Adsorption performed at pH 5, ratio of adsorbent and waste solution 1/200 (w/v), 60 rpm, 0.5 gs nano-sized adsorbent. Characterization using SEM, FTIR and SEM-EDS showed that both adsorbents characteristics met the requirements of SNI 06-3730-1995. The highest adsorption capacity of activated carbon to adsorb Pb(II) and Cr(VI) were 38.543 mg/g and 36.838 mg/g while biosorbent adsorb Pb(II) and Cr(VI) respectively 3.98 mg/g and 36.12 mg/g.Keywords: adsorption, biosorbent, Cr(VI), mangosteen peel, Pb(II)ABSTRAKPenggunaan adsorben berbasis limbah biomassa untuk adsorpsi kandungan logam berbahaya dari limbah cair industri selain dapat mengurangi limbah juga dapat menekan harga jual adsorben. Penelitian ini bertujuan untuk mempelajari karakteristik adsorben yang terbuat dari limbah kulit manggis (Garcinia mangostana L.) dan arang aktif dari limbah kulit manggis serta membandingkan kinerja kedua jenis adsorben tersebut pada proses adsorpsi ion logam Pb(II) dan Cr(VI). Limbah sintetis yang digunakan berupa ion dari Pb(II) dan Cr(VI) dari larutan Pb(NO3)2 dan K2Cr2O7 dengan variasi konsentrasi awal 20, 40, 80, 100 dan 200 mg/L. Proses adsorpsi dilakukan pada pH 5, rasio perbandingan berat adsorben dan volume larutan limbah 1:200, kecepatan pengadukan 60 rpm, adsorben berukuran nano dengan berat adsorben 0,5 g. Masing-masing adsorben dikarakterisasi menggunakan SEM untuk mengetahui sturktur morfologi, FTIR untuk mengetahui gugus fungsi dan SEM-EDS untuk mengetahui komponen kimia yang terkandung dalam adsorben tersebut. Hasil penelitian menunjukkan bahwa karakteristik kedua jenis adsorben memenuhi syarat mutu sesuai SNI 06-3730-1995. Kapasitas adsorpsi tertinggi dari karbon aktif untuk menyerap Pb(II) dan Cr(VI) masing-masing 38,543 mg/g dan 36,838 mg/g, sedangkan kapasitas adsorpsi tertinggi biosorben untuk menyerap Pb(II) dan Cr(VI) masing-masing 36,98 mg/g dan 36,12 mg/g.Kata kunci: adsorpsi, biosorben, Cr(VI), kulit manggis, Pb(II)

The Effect of Starter Concentration and Fermentation Period of Cocoa Pulp on Ethanol Production Medan Yumas; Rosniati Rosniati
Biopropal Industri Vol 5, No 1 (2014)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

The study of starter concentration effect and fermentation period of cocoa pulp on ethanol production has been carried out in order to determine the concentration of Saccharomyces cereviceae as a starter and optimum fermentation period to produce bioethanol from cocoa pulp. Variables in this research were S. cereviceae consentration of 6, 7, 8 and 9%; and fermentation periods 3, 5 and 7 days. The results showed that 5 days of fermentation period and the addition of S. cereviseae with a concentration of 9% obtained the highest ethanol content as much as 5.93% by the end of fermentation acidity of 6.0.

Page 11 of 21 | Total Record : 208

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