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Bosman Sidebang
Jurusan Teknologi Pertanian, Fakultas Pertanian, Univesitas Bengkulu
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EFFECT OF CALAMANSI CITRUS (Citrus microcarpa) EXTRACTS AND CMC TO PREFERENCES OF RED PALM OIL EMULSIONS Budiyanto Budiyanto; Bosman Sidebang; Rut Rae Delima Samosir
Jurnal Agroindustri Vol 9, No 1 (2019)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.9.1.49-55

Abstract

The purpose of this research were to obtain amount of the addition of calamansi citrus extract and CMC in the produce stable red palm oil emulsions with optimal viscosity and to obtain red palm oil emulsion products that can neutralize chelate taste and cover the oils aroma based on the level of consumer preferences. A complete randomized design (CRD) with two factorial was employed. The factors used were the amount of calamansi citrus extracts  addition (5 gram, 7 gram and 9 gram) and the amount of CMC addition (1 gram and 1.5 gram) . Data in this research obtained from the observations and results of viscosity and organoleptic testing were processed used analysis of variance (ANOVA) and a further test using DMRT on SPSS software. The results showed that the addition of calamansi citrus extract and CMC has significant effect to the stability and viscosity, but no significant effect to the taste, aroma and color of red palm oil emulsions product. Overall the best preferences of the emulsion product is the red palm oil emulsions with the addition of 7 grams calamansi citrus extract and 1 gram CMC. The emulsion product best stability is the red palm oil emulsions with the addition of 5 gram calamansi citrus extract and 1.5 gram CMC for 12 days. However, the emulsion product having a stability for 12 days but it has a viscosity of 1468.42 cP so further research is needed to reduce the emulsion viscosity. Keywords : red palm oil emulsions,calamansi citrus extract, CMC
RELATIONSHIP BETWEEN TEMPERATURE OF DRYER CHAMBER AND RATE OF FUEL SUPPLIES FROM THREE KINDS OF BIOMASS FUEL Meidi Satriawan Sipayung; Yuwana Yuwana; Bosman Sidebang
Jurnal Agroindustri Vol 5, No 2 (2015)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.5.2.118-127

Abstract

The purpose of this study was to determine the number of supply of (initial and subsequent) fuel to achieve the target temperature and determine the rate of fuel supply relationship with temperature drying chamber. Biomass was used are palm shells, pecan shells and coconut shells. Results of research showed that fuel supply rate (Q / 40 min) to produce a temperature (T), which is different from the fuel pecan shells, palm shell and coconut shell follows the following equation: initial supply hazelnut shells obtained from the equation T = 13,9Q + 19.3 with R² = 0.983 and the subsequent supply is obtained by the equation T = 12,24Q + 39 with R² = 0.971, the initial supply of palm shells obtained from the equation T = 8,925Q + 29.55 with R² = 0.964 and the subsequent supply is obtained by the equation T = 15 , 27Q + 29.09 with R² = 0.989, the initial supply of coconut shell derived from the equation T = 19,8Q + 0.6 with R² = 0.972 and the subsequent supply is obtained by the equation T = 19,37Q + 34.86 with R² = 0.994 .
PERFORMANCE OF A PIPE SLOW SAND FILTER (SSF-P) WITH DIFFERENCE HYDRAULIC HEADS ON FILTERING POLLUTANTS OF CRUMRUBBER PLANT LIQUID WASTE Sigit Mujiharjo; Bosman Sidebang; Dedek Darmadi
Jurnal Agroindustri Vol 2, No 2 (2012)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.2.2.77-83

Abstract

Pipe slow sand filter (SSF-P) is an undertest slow sand filter (SSF) technology promising some advanatages.  Purpose of this research is to test the performance of SSF-P with differencce level of hydraulic heads on reducing pollutants of crumrubber plant liquid waste. The SSF-P tested was a 5-inches-diameter, 50cm-long SSF-P and hydraulic heads applied were 10 cm, 20 cm and 30 cm.  Result of test showed  that SPL-P installed with all hydraulic heads tested were capable of reducing significant amount of pollutants, and with 10 cm head capable of producing filtrate with TSS, pH and NH3-N satisfying grade 1 (drinking) water.
RELATIONSHIP BETWEEN WEIGHT AND PHYSICO-MECHANICAL PROPERTIES OF COFFEE GRAINS PRODUCED FROM DIFFERENT HARVEST RIPENING Yuwana Yuwana; Evanila Silvia; Bosman Sidebang
Jurnal Agroindustri Vol 4, No 1 (2014)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.4.1.21-30

Abstract

This research aimed to determine relationships between weight and several physic-mechanical properties of coffee grains. Grains having 12.2% (wet basis) moisture content in average, originated from cherries of different ripening levels identified by green, yellow, red and deep red in colors were used for experiment. Research used regresi linear analysis. Results of experiment indicated that weight of grains positively correlated to length, width, thickness and frontal area with very high values of determination coefficient. Weight of grains correlated positively to sphericity and negatively to porosity. Weight of grains originated from green and red cherries had positive correlation with density whereas weight of grains originated from yellow and deep red cherries possessed no correlation with density. Weight of grains from yellow, red and deep red cherries had negative correlation with true density in contrast weight of grains from green cherries had positive correlation with true density. There were no reliable trend concerning the relationships between weight of grains and coefficient of static friction and angle of repose.
PERFORMANCE OF MODIFIED HYBRID SOLAR DRYER ON THE DRYING PROCESS OF ROBUSTA CHERRY COFFEE Evanila Silvia; Yuwana Yuwana; Bosman Sidebang
Jurnal Agroindustri Vol 9, No 2 (2019)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.9.2.94-101

Abstract

Drying process is one of the most critical post-harvest stages because it can affect the quality of coffee beans. To overcome the obstacles that are often encountered in the drying process, many solar energy dryers have been developed with various ways of energy utilization and its characteristics, one of them is Modified Hybrid Solar Dryer. The purpose of this study was to test the performance of the furnace and heater distributor (temperature and humidity of the drying chamber) compared to the temperature and humidity outside the dryer when drying coffee cherries at 3 variations in the thickness of the sunbed; 5, 10 and 15 cm. Parameters of the performance of furnaces and heating distributors are: 1) the drying chamber temperature and the outside environment, 2) the relative humidity of the drying chamber and the outdoor, 3) the speed of the airflow in the drying chamber and 4) the drying time. Testing (experiments) carried out in 3 series, and the measurement results are averaged. Observations were made every 30 minutes from 9:00 am to 06:00 am for three days. Parameters of the quality of the effects of drying coffee beans: 1) the initial weight of the coffee beans, 2) the weight loss of the coffee cherries during drying; conducted moisture content of coffee cherries every hour from 09.00 am to 06.00 am. 3). The results obtained are the furnace and distributor of hybrid solar dryer heat able to increase air temperature is 19,25oC higher than the outside air temperature and reduce relative humidity 46,02% lower than the average relative humidity of the outside air with an average speed of airflow in the range of 0,42 – 0,50 m / s. Hybrid solar dryers can finish drying coffee fruits much faster in about 60 hours (15 cm thickness), 52 hours (10 cm thickness), and 36 hours (5 cm thickness) compared to sun dryingProses pengeringan merupakan salah satu tahapan pasca panen yang sangat kritis karena dapat mempengaruhi kualitas biji kopi. Untuk mengatasi kendala yang sering ditemui pada proses pengeringan,  banyak dikembangkan pengering berenergi surya dengan berbagai cara pemanfaatan energi dan karakteristiknya, salah satunya pengering surya Hybrid Modified. Tujuan dari penelitian ini adalah menguji kinerja tungku dan distributor pemanas (temperatur dan kelembaban ruang pengering) dibandingkan dengan temperatur dan kelembaban di luar pengering saat mengeringkan buah kopi pada 3 variasi ketebalan jemur yaitu 5, 10 dan 15 cm. Pengujian kinerja tungku dan distributor pemanas dilakukan dengan mengukur : 1) temperatur ruang pengering dan lingkungan luar,  2) kelembaban relatif ruang pengering dan lingkungan luar, 3) kecepatan aliran udara di ruang pengering dan 4) waktu pengeringan. Pengujian (percobaan) dilakukan 3 seri dan hasil pengukuran dirata-rata. Pengamatan dilakukan tiap 30 menit mulai pukul 9.00 sd 06.00 wib selama 3 hari. Pengamatan kualitas hasil pengeringan biji kopi dilakukan dengan mengukur : 1) berat awal buah kopi, 2) berat buah kopi selama pengeringan, dilakukan setiap jam dari pukul 09.00 sd 06.00 WIB. 3) kadar air biji kopi. Hasil yang diperoleh adalah tungku dan distributor panas pengering surya hybrid mampu meningkatkan temperatur udara adalah 19,25oC lebih tinggi dari temperatur udara luar dan menurunkan kelembaban relatif 46,02% lebih rendah dari kelembaban relatif rata-rata udara luar dengan kecepatan rata-rata aliran udara berkisar 0,42 – 0,50 m/s. Pengering surya hybrid dapat menyelesaikan pengeringan buah kopi jauh lebih cepat sekitar 60 jam (ketebalan jemur 15 cm), 52 jam (ketebalan jemur 10 cm) dan 36 jam (ketebalan jemur 5 cm) dibandingkan penjemuran biasa 
UTILIZATION OF KERNEL OIL LOSSES (PALM KERNEL OIL) AS ROW MATERIAL FOR MAKING SOLID BATH SOAP Melki Edo Sinabang; Hasan Basri Daulay; Bosman Sidebang; Devi Silsia
Jurnal Agroindustri Vol 11, No 1 (2021)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.11.1.32-42

Abstract

Processing of palm kernels at the kernel station of the palm oil mill still has a loss of kernel oil in the bulk silo kernel. This oil can be used as a raw material for solid soap. This study aims to determine the characteristics of solid soap resulting from core oil losses in terms of physical, chemical and organoleptic parameters and to obtain the right concentration of NaOH and fragrance oil volume to produce solid soap according to SNI 06-3532-2016. This study used a completely randomized design (CRD) with 2 factors, namely the concentration of NaOH and the amount of fragrance oil. The variables observed were water content test, foam stability, free alkaline content, pH level, and organoleptic test. Solid soap characteristics are : moisture content 10.22% - 39.17%, foam stability 45.93% - 69.4%, free alkaline content 0.16% - 0.42%, pH 9 , 86 - 13,31. Panelist acceptance rates for texture 3 - 4.05, color 3.3 - 4.05, aroma 3.1 - 3, 85 and oerall 3.35 - 4, 05.Soaps made with 20% NaOH and 2 ml fragrance oil has met SNI 06-3532-2016
EFFECTS OF HEATING AND SUGAR ON THE QUALITY OF HARD CANDY MADE OF SYRUP KALAMANSI SIDEPRODUCT Ferdy Saputra Hutagalung; Kurnia Harlina Dewi; Bosman Sidebang
Jurnal Agroindustri Vol 8, No 2 (2018)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.8.2.97-104

Abstract

This research aims to get the effect of long warming (minutes) and the type of sugar in the manufacture of calamansi candy which are seen from the physical, chemical and organoleptic test. To get  long  warming and type of sugar that produces the best calamansi  and also to compare the best calamansi with SNI candy and give information about the nutritional values of candy. This research was conducted at the Laboratory of Agricultural and Industrial Technology Laboratory, University of Bengkulu. This research needs 12, 14, and 16 minutes to produce the calamansi candy. The data obtained were analyzed by using  variety of two directions ANOVA method for  (moisture content, ash content and pH), the data obtained for organoleptic test by using of one direction  ANOVA method . The result is different and did TREN test (TUKEY) and the result of peroksimat analysis data that obtained should compared with SNI Candy (3547.1: 2008). The result of the research showed that the most preferred of  calamansi candy consumers was granulated sugar with a long warming by 14 minutes and for liquid sugar of calamansi candy favored of consumers was melted sugar with a long warming by 16 minutes, judging of  the physical characteristic of (moisture content) and chemical characteristic of (pH and ash content) had fulfill SNI candy. To know the nutritional values of calamansi candy so have to do the proximate analysis (reduction of sugar, protein, total acid, carbohidrat and vitamin C). Diversification of product calamansi candy has qualified to be developed into a business calamansi agro industry in Bengkulu but, after further the research concerning the economic feasibility as well as shelf life  of  calamansi candy. 
STUDY ON WET PROCESSING OF BLOCK CHILLY Dwi Dian Praptanto; Kurnia Herlina Dewi; Bosman Sidebang
Jurnal Agroindustri Vol 3, No 1 (2013)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.3.1.45-50

Abstract

The purpose of this study is to examine the effect of drying time in weight and water content, combination effect of drying time and size of the material, and consumer acceptance to the product in the wet processing of chili blocks production. Method used in the research is completely randomized design (CRD) with two factorials are material size and drying time. Data were analyzed using ANOVA and further analysis using DMRT at 5% significance level. Organoleptic test result was analyzed using the Kruskal-Wallis and Tukey test for further analysis. Application of the equal drying time to two different size of material: rough and finest block chili, showed the result that water content of the rough block chili is lower than the finest block chilli. Application of the different drying time duration to the same size of chili showed the lower water content with increasing duration of drying time. The water content of the material tends to decrease with increasing duration of drying time. The level of consumer’s preferences to the product of wet processing of chili blocks production is equal for scents, but it’s different for color, texture and overall preferences.
“TEKO BERSAYAP” MODEL SOLAR DRYER FOR FISH DRYING Yuwana Yuwana; Bosman Sidebang; Evanila Silvia
Jurnal Agroindustri Vol 6, No 2 (2016)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.6.2.51-56

Abstract

This objective of this research was to design a dryer called “Teko Bersayap” model and then to test its performance in drying fish in order to solve problems arising from open air sun drying. The dryer consisted of drying chamber with trays inside, heat collectors equipped with air inlets at their lower ends, chimney with an exhaust fan inside and humid air outlet at its upper end, was constructed to dry fish, “Bleberan (Pepetak Leiognatus spp)” species. The results of the experiment indicated that the dryer produced the drying chamber temperature 8.83oC higher than the ambient temperature and the relative humidity 13.91% lower than the ambient relative humidity. The fish moisture content decreased exponentially with drying time and the dryer completed the fish drying process in 18.9 hours compared to 27.6 hours of drying time needed to complete the sun drying for the fish, suggesting that the dryer was ready for utilization
PERFORMANCE OF MODIFIED YSD-UNIB12 SOLAR DRYER FOR CLOTHES MATERIAL DRYING Yuwana Yuwana; Bosman Sidebang; Evanila Silvia
Jurnal Agroindustri Vol 3, No 2 (2013)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.3.2.98-104

Abstract

YSD-UNIB12 solar dryer has been modified its interior by replacing the trays with rail suitable for clothes hanger and size in order to be applied to dry clothes. The dryer had 3 x 6 m2 total area with about 300 pieces of clothes capacity. The dryer finishes drying of wet towel faster (about 12 hours) than that of sun drying (more than 18 hours). The dryer also completed drying of “batik” cloth comparable to that of sun drying (about 13 hours) and drying of singlet faster (12 hours) that of sun drying (13 hours). The modified YSD-UNIB12 resulted better quality of dry cloth and was ready to be adopted for drying clothes
Co-Authors Budiyanto Budiyanto Dedek Darmadi Devi Silsia Dwi Dian Praptanto Evanila Silvia Evanila Silvia Evanila Silvia Evanila Silvia Ferdy Saputra Hutagalung Hasan Basri Daulay Ika Gusriani Kurnia Harlina Dewi Kurnia Herlina Dewi Meidi Satriawan Sipayung Melki Edo Sinabang Rut Rae Delima Samosir Sigit Mujiharjo Wahyudi Febrianto Putra Yuwana Yuwana Yuwana Yuwana Yuwana Yuwana Yuwana Yuwana