Jurnal Agroindustri
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ANTIOXIDANT ACTIVITIY OF ADLAY EXTRACT (Coix lachryma-jobi L.) WITH DIFFERENT SOLVENT
Full text linkAdlay is a minor cereal which utilization is not optimal in Indonesia. Adlay grains have natural antioxidants in the form of phenolic compounds and flavonoids found in bran, husk, and testa. Purpose of this study was to determine the type of adlay bran extraction solvent that produced the highest antioxidant activity. The study used an experimental method with a randomized block design (RBD) consisting of 3 treatments that were repeated 4 times, namely extraction with (1) ethanol solvent; (2) n-hexane solvent; and (3) ethanol solvent then the waste is extracted again with hexane solvent. The extract obtained was analyzed for its antioxidant activity by DPPH method, total phenol, total tocopherol and yield. The results showed extracts from ethanol solvents produced the highest antioxidant activity where IC50 values were 771.73 ppm, but categorized as antioxidants with very weak activity. The extraction of adlay bran with ethanol solvent resulted in a yield of 1.91%, total phenol of 0.92%, and total tocopherol 0.09 mg / mL
CORRELATION BETWEEN TOPOGRAPHY AND HEIGHT OF TREE WITH FATIGUE OF WORKER AND PRODUCTIVITY OF PALM OIL HARVESTING
Full text linkThe purpose of this research was to analyze the correlation between topography with fatigue of worker, height of tree with fatigue of worker, topography and height of tree with fatigue of worker and fatigue of worker with productivity of palm oil harvesting. The analytical method used in this research was the analysis of correlation and linear regression. Based on the results of this study concluded that there was a weak correlation (r = 0,214), but significant and in the same direction (positive) between topography with fatigue of palm oil harvester by linear regression equation = 3,037 + 0,067 X1, there was a sufficient strong correlation (r = 0,501), but significant and in the same direction (positive) between height of tree with fatigue of palm oil harvester by linear regression equation = 0,307+ 0,408 X2, there was a sufficient strong (R = 0,598) and significant correlation between topography and height of tree with fatigue of palm oil harvester by linear regression equation = -1,383+ 0,104 X1 + 0,466 X2, and there was a weak correlation (r = -0,373), but significant and not in the same direction (negative) between fatigue with work productivity of palm oil harvester by linear regression equation = 379,243 - 23,495 X.
Economic Order Quantity to Control Raw the Materials Inventory on “Zaskya Bakery” Home Industry
No full text Zaskya Bakery Home Industry is one of the small industries that produce various types of sweet bread in Central Bengkulu Regency. Optimal raw material inventory control is essential for companies to make the production process good. The economic order quantity (EOQ) method is the basic method of inventory control by finding the minimum point between ordering costs and storage costs. The purpose of this study was to determine the inventory control of some raw materials in the Zaskya Bakery Home Industry by using EOQ. Survey and observation with a quantitative descriptive approach are The methods used in this research. Data analysis uses the calculation formula of EOQ, total inventory cost, safety stock, and reorder point. The results showed that the application of the EOQ method in controlling raw material inventory was an emphasis on inventory costs on the Zaskya Bakery Home Industry. The Efficiency of the quantity of raw material ordering each time order, the time of re-ordering of raw materials, as well as the quantity of safety inventory can be known
EFFECT OF PACKAGING TYPE AND STORAGE AT ROOM TEMPERATURE ON THE QUALITY OF PAPAYA DODOL
Full text linkThe home industry mostly packs papaya dodol using PP plastic packaging. It is necessary to research the quality of papaya dodol that is stored with various types of packaging during storage. This study aims to obtain a type of packaging that is able to maintain the physical, microbiological, and organoleptic qualities of papaya dodol during storage at room temperature. The study was carried out following a completely randomized design (CRD) with two factors; namely the type of packaging with PP plastic, aluminum foil, and wax paper; and duration of storage; i.e. 7 days, 14 days, 21 days and 28 days. The observed variables included color, texture, moisture content, mold and organoleptic properties. The collected data were analyzed using ANOVA and DMRT follow-up tests. The results showed that during 28 days of storage, the best quality of dodol was packed with aluminum foil on day 21; with a color of 7.5 YR 4/4, hardness (texture) 2.00 mm / g and a moisture content of 9.65%; and microbiological observations of 180 colonies/g; which means meeting SNI requirements. Organoleptic quality based on the aroma level of 2.92 (enough likes), 2.96 colors (enough likes), texture 2.16 (dislikes) and taste 3.08 (quite likes
MAKE A COMPOSITE FROM POLYETHYLENE TEREPHTHALATE (PET) PLASTIC WASTE BASED ON SEA PANDAN LEAVES (Pandanus tectorius)
Full text linkComposite is a material that is formed from a combination of two or more forming materials through an inhomogeneous mixing consisting of two parts, namely the matrix as a composite binder or protector and the filler as a composite filler. Pandan sea leaf (Pandanus tectorius) is one alternative natural material that can be used as a filler in making composites because it has a high cellulose content and has strong fiber properties. The purpose of this research was to describe the process of making composites with natural fiber fillers and characteristics of composites produced. Making composites through 4 steps, namely making sea pandanus leaf powder, making cellulose fraction, making polyethylene terephthalate (PET) plastic waste matrix, and making composite. Based on the results of the composite characterization research includes water content from 2.46% to 3.51%, density from 0.49 g/cm3 to 0.52 g/cm3, porosity from 10.02% to 24.06%, and absorption water that is 24.88% to 46.51%. The type of MPA 1 (30% filler cellulose sea pandanus leaves: 70% polyethylene terephthalate pellet matrix) had a moisture content that complies with SNI 01-4449-2006 that is 2.46%, the corresponding density value SNI 03-2105-2006 is 0.52 g/cm3, the porosity value that is in line with SNI 03-2105-2006 is 10.02%, and the absorption according to JIS A5905-2003 standard is 24.88%
FINANCIAL PERFORMANCE AND ITS DETERMINANTS: A CASE STUDY OF FISH DRYING BUSINESS IN SUMBER JAYA VILLAGE, KAMPUNG MELAYU DISTRICT, BENGKULU CITY
Full text linkThis study aims to analyze the level of financial performance and the factors that influence it in the bussines of fish drying in Sumber Jaya Village, Kampung Melayu District, Bengkulu City as measured by the level of profit and R / C Ratio. Respondents in this study are 120 partisans working on fish drying . Data analysis methods are profit analysis, R / C Ratio, and Multiple Linear Regression in the form of Double-Log using Shazam tools. The results showed that the average profit in one processing is Rp 529,185, while the average R / C Ratio in one production process is 2, which showed that the bussines of fish drying in Sumber Jaya Village is feasible . However, partially, the variables of age and business scale are significantly determine tothe profit rate of the bussines of dried fish processing, in addition, the only business scale variables and entrepreneur characteristics are that partially significantly determine the level of efficiency of the bussines of dried fish processin
VALUE ADDED ANALYSIS ROBUSTA COFFEE IN HOME INDUSTRY PUTRA ADIRA CAP MAHKOTA RAJOKU IN KEPAHIANG REGENCY
Full text linkThis study aimed to measure the greater value obtained from Putra Adira Cap Mahkota Rajoku Ground Coffee in producing various ground coffee products. The research was conducted at the Putra Adira Cap Mahkota Rajoku Ground Coffee Business, which is a small-scale home industry that produces ground coffee products in Pelangkian Village, Kepahiang Regency, Bengkulu Province. Processed products from Robusta coffee analyzed were original ground coffee, ginger coffee, and pandanus coffee. The method of value added analysis used the Hayami calculation method. The results of the study showed that the added value of real coffee was Rp. 24,456,597 / kg or 82,174%, the added value of ginger coffee was Rp. 13,426,194 / kg or 29,967%, and the added value of pandanus coffee products was Rp. 18,638,833 / kg or 61,881%. Thus, the greatest added value was obtained in original coffee products because the higher the production, the higher the added value and the benefits obtaine
STUDY ON POTENTIALS OF PINEAPPLE SKIN EXTRACT FERMENTED WITH Lactobacillus casei AS A PROBIOTIC BEVERAGE BY IN VIVO
Full text linkThe objectives of the research are to learn the effect of fermented drink of pineapple peel extract fermented by Lactobacillus casei toward microflora of digest of Sprague Dawley rats and to know its potential as a probiotic drink. The treatment compiled by Randomized Complete Block Design (RCBD) with six repetitions. Eighteen male weanlings Sprague Dawley rats are divided into three groups. Each group consists of six rats and has different treatments. One group was given a lactate fermented beverage of pineapple skin extract, one group was given a drink of pineapple skin extract that was not fermented and the other group was given water as a control. The parameters observed include total lactic acid bacteria and total coliform of the digest. The research showed that the provision of lactic acid fermentation drinks produced higher total lactic acid bacteria (LAB) and lower total coliform of digest than the provision of the non-fermented drink of pineapple peel concentrate and provision of water as the control on the rats model. Total LAB in digestion of rats fed fermented pineapple concentrate drinks was 1,6 x 1012 cfu/gram while total coliform was 3,7 x 1011 cfu/gram. The pineapple skin concentrate fermented by Lactobacillus casei is potential as a probiotic drink because of its ability to inhibit pathogenic bacteri
APPLICATION OF CASSAVA PEEL STARCH AS A RAW MATERIAL OF EDIBLE COATING WITH ADDITION OF CHITOSAN TO EXTEND RIMAU GERGA LEBONG (RGL) ORANGE OF BENGKULU SELFLIFE
Full text linkRimau Gerga Lebong (RGL) is a superior citrus fruit of Bengkulu Province, but this fruit is easy to rot, especially if stored at room temperature, so it needs technology that able to extend its shelf life to have its maximum benefit. This study aims to explain the effect of cassava peel starch concentration plus chitosan on the quality of RGL citrus fruits for 20 days of storage and determine the best concentration applied. This study used a Completely Randomized Design (CRD) with two different factors namely the concentration of cassava peel starch; 3%, 5%, and 7% and chitosan concentration; 0.0%, 0.5%, 1.0%, 1.5% with observed variables of weight loss, hardness, total dissolved solids, fruit juice levels, and vitamin C levels observed every 5 days for 20 days storage at room temperature. The research data were analyzed graphically and used ANOVA to explain the effect and significance of the treatment to determine the best one. The results showed that the use of 3-5% (w / v) cassava peel starch combined with the addition of 0.0-1.5% (w / v) chitosan to coat RGL citrus fruits stored for 20 days at room temperature was able to reduce the rate of shrinkage weight so that the value is only around 6.33-8.12%; able to maintain fruit hardness so that the value ranges from 1.3 to 1.7 kg; able to maintain total dissolved solids so that the value ranges from 10.8 to 12.6o Brix; able to maintain juice levels so that the value ranges from 53.61 to 73.00%, and is able to suppress the rate of decrease in vitamin C so that the value ranges from 1.52 to 2.38 mg / 5ml. The recommended concentration of cassava starch to be applied is 5% (w / v) with chitosan added with a concentration of 1.5% (w / v)
SYNTHESIS, CHARACTERIZATION AND MODIFICATION OF FLEXIBLE POLYURETHANE FOAMS USING RAW MATERIALS FROM BIOPOLYOLS BASED ON PALM OIL AND OTHER VEGETABLE OILS: A REVIEW
Full text linkFlexible polyurethane foams is the most produced foam compared to other types of polyurethane foams. The raw material for polyurethane foams is usually derived from petroleum polyols. The availability of petroleum which is getting thinner needs to be sought alternative raw materials for polyurethane foams from vegetable polyols (biopolyols). The relatively high productivity of palm oil causes the potential of palm oil to be used as raw material for flexible polyurethane foams compared to other vegetable oils. Various formulations and modifications that have been made in synthesizing flexible polyurethane foams from various types of biopolyols are aimed at increasing the usability and to produce flexible polyurethane foams with characteristics close to polyols made from petroleum-based foams.Busa poliuretan fleksibel merupakan busa yang paling banyak diproduksi dibanding dengan jenis busa poliuretan yang lain. Bahan baku busa poliuretan biasanya berasal dari poliol minyak bumi. Semakin berkurangnya ketersediaan minyak bumi, maka perlu dicari alternatif bahan baku busa poliuretan dari poliol nabati (biopoliol). Produktivitas kelapa sawit yang cukup tinggi menyebabkan minyak kelapa sawit cukup potensi digunakan sebagai bahan baku busa poliuretan dibandingkan dengan minyak nabati lain. Berbagai formulasi dan modifikasi yang telah dilakukan dalam mensintesis busa poliuretan fleksibel dari berbagai jenis biopoliol bertujuan untuk meningkatkan daya guna dan untuk menghasilkan busa poliuretan fleksibel dengan karakteristik mendekati busa berbahan baku poliol dari minyak bumi