Jurnal Agroindustri
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EFFECT OF GREENLEAF QUALITY AND MOISTURE CONTENT ON PHYSICAL AND ORGANOLEPTIC OF THE CTC (Crushing Tearing Curling) TEA
Get PDFPTPN VII (Persero) Pagaralam Business Unitstarted developing the processing of black tea (CTC). Only after several times the processing quality CTC teas produced unsatisfactory. The Company continues to optimize the performance ofthe processingand quality control of CTC tea. This study aims to determine the effect of the quality of shootsandwilting percentage of the physical and organoleptic properties of CTC tea. This research was conducted in PTPN VII (Persero) Act Pagaralam. The results showed that all of the top quality withvalue range 62% to 70% and the percentage of wilted 65% to 72% no real effect on the physical and organoleptic properties. The water content and density of CTC tea has fulfilled SNI and enterprise standards. CTC tea produced medium quality (Fair made)
TOTAL PLATE COUNT ON SMOKED CATFISH IN PANORAMA MARKET BENGKULU CITY DURING STORAGE ROOM TEMPERATURE
Get PDFThe purpose of this study was to evaluate the quality of smoked catfish are traded on the Panorama Market Bengkulu City seen from the total of microorganisms during storage at room temperature. This study uses a combination of exploratory sequential model (combining qualitative and quantitative research methods, respectively). Samples were taken from merchants of smoked catfish in the Panorama Market Bengkulu City. Storage of samples carried out for 21 days. Analysis of total plate count (TPC) was conducted in the Laboratory Protection UNIB. Quality parameters used refer to SNI 2725.1: 2009 on quality requirements of smoked fish. Determination of total plate count was performed according to SNI 01-2332.3-2006. Each sample testing was done 2 replications. ALT test results show an increasing number of microbes during storage. ALT value on day 0 of storage in the range of 8.2 x 104 colonies/g - 1.4 x 106 colonies/g, whereas on day 21 ranged from 2.0 x 106 colonies/g - 3.9 x 106 colonies/g. The high value of ALT is caused by the processing, packaging, transportation, storage conditions, as well as the manner of presentation for sale on the market. Microorganism contamination will increase with increasing chain length distribution
CHARACTERIZE THE QUALITY OF COLOR, AROMA, TEXTURE AND TASTE OF COWPEA (Vigna unguiculata (L.) Walp.) TEMPEH FERMENTED BY DIFFERENT TYPES OF YEAST
Get PDFCowpea (Vigna unguiculata (L.) Walp.) has high content of nutrients and good source of phytoprotein. Therefore, it has potential opportunity to replace soybean in producing tempeh. The types of fermentation agent influence its quality, so it is crucial to study the use of types of tempeh yeast with different growt media in making cowpea tempeh. The study was aimed to characterize the quality of color, aroma, texture, and taste of cowpea tempeh fermented by different types of yeast. The method was experimental with complete random design, four treatments and six replicates. The parameter were physical quality; color, aroma, texture, and taste of tempeh. Data was collected by organoleptic test. Data was analysed using ANOVA at the 5 % significance level. The results showed that the preference levels of panelists differed against all parameters. Yeast utilizing cassava as its substrate produced cowpea tempeh with the highest preference level for all parameter
“TEKO BERSAYAP” MODEL SOLAR DRYER FOR FISH DRYING
Get PDFThis 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 utilizatio
MORPHOMETRIC CHARACTERISTICS, PROPORTITION, TOTAL FENOL CONTENT AND PROFIL PHENOLICS OF AVOCADO (Persea americana, Mill) PULP, SEED AND PEEL VARIETY OF IJO PANJANG AND IJO BUNDAR
Get PDFThe aims of the study were to compare morphometrics chararcteristic, porportion, total phenolics and profil phenoilic of pulp, seed and peel of avocado (Persea americana, Mill) variety of ijo panjang and ijo bundar. Morphometrics characteristics were measured by using ruler and calipers. Fruit proportions were determined by using digital balance, Total phenolics was analized by Folin-Ciocalteu methods and profil phenolics were analized by using HPLC. The result of the studies found that variety of ijo panjang had longer size, smaller seed diameter and thicker peel than ijo bundar. Seed proportion variety ijo panjang was lower than ijo bundar, but pulp and peel were higher. Total phenolics content of ijo panjang lower in pulp and seed, but higher in peel. Profil phenolics compound in avocado consist of cathechin, hydroxybenzoic acid, flavonol and procyanidin and hydroxycinnamic acid. Phenolics compounds in pulp were higher in ijo panjang variety, except hydroxycinnamic acid. Phenolics compounds in seed was higher in variety of ijo bundar. Phenolics Compounds in peel were hinger in ijo panjang, except hydroxybenzoic acid
PHYSICAL, CHEMICAL AND ORGANOLEPTIC PROPERTIES OF SAPODILLA (Achras zapota L.) JAM BASED ON PECTIN AND SUCROSE ADDITION
Get PDFThis study was carried out to investigate the effect of sucrose and pectin on physical, chemical and organoleptic properties of sapodilla jam and to determine the best treatment in accordance with SNI. The evaluation consisted of a 2 X 3 factorial design with three replicates, two Pectin concentrations (0.5%, 0.7%) and three sugar concentrations (35%, 45%, 55%). Experimental data were subjected to ANOVA test followed by Tukey's test 5%. The results showed the proportion of pectin and sugar have significantly different impact on color, aroma, taste, a smear of jam and overall consumers acceptance on sapodilla jam. Results of chemical analysis and physical use of pectin have significantly different impact on total dissolved solids (TDS), but has no effect on pH and a smear of jam. The use of sugar affect the TDS and a smear of jam but pH did not differsignificantly. The interaction between pectin and sugar have significantly different impact on a smear of jam but has no effect on pH and TDS. The best product is the use of pectin 0.5% and sugar 55% , brownish-red color (4.20), sweet taste (4,07). aroma is quite flavorful distinctive sapodilla fruit (2.83), smooth texture and easily applied evenly (4.57). The overall consumers acceptance score (4.57). TDS (94.77%), pH (4.4) and fruit fiber positive (+)
PHYSICAL PROPERTIES OF WET NOODLE BASED ON POTATO AND TAPIOCA COMPOSITE FLOUR
Get PDFWet noodle properties prepared from tapioca flour : potato flour proportion i.e. 70:30; 60:40; 50:50; 40:60; and 30:70 were studied by Complete Randomized Design. The potato flour proportion effect were significantly contributing to physical properties of strain and waterabsorption index, moisture content, and L, a, b value.The wet noodle prepared from tapioca : potato flour = 70:30; 60:40; 50:50 have no significant different on strain (?L/L) and , water absorption index, moisture content and L, a, b value.The wet noodle prepared fromtapioca :potato flour = 40:60 and 30:70 hadlower strain (?L/L) index thus giving the highest waterabsorptionand moisture content. But its noodle has lower brightness level. The result revealed the possibility of composite flour from potato and tapioca 50:50 could be produce wet noodle for functional food. Its physical properties i.e. strain and water absorption index, moisture content, and L, a, b value were 0.5, 0.37, 47.35, and 65.6, -1.0, 25.6, respectively
STABILITY AND PREFERENCE OF RED PALM OIL EMULSION PREPARED WITH VARIOUS CONCENTRATION OF TWEEN 80
Get PDFRed palm oil, rich in carotenoids (?, ?, ? - carotene and tocopherol and tekotrienol), has been shown to have benefit properties to human health. The aims of the study are : 1) to obtain the stability of red palm oil emulsions; 2) to determine the viscosity in red palm oil emulsion, 3) to determine the level of consumer preferences. Three levels of tween 80 emulsion concentrations (0,5%; 1%; and 1,5%) were employed to produce red palm oil emulsions. The stability, viscosity, and the preference of the emulsions were compared with commercial scot emulsion. The results showed that the level the stability of red palm oil emulsion prepared using Tween 80 1% and 0.5% CMC stable for 22.27 hours, while Scott's emulsion over 4 weeks. In addition, Red palm oil emulsion prepared with 1.5% Tween 80 and 0.5% CMC had viscosity of 16.6 cP , similar to viscosity of Scott's emulsion of 18.7 cP. The consumer prefered the color and the flavor of the red palm oil emulsion prepared with Tween 80 1% and 0.5% CMC compared to that of two other treatments
THE POTENTIAL OF PROCESSING BYPRODUCT OF SYRUP KALAMANSI TOWARD “ZERO WASTE”
Get PDFResidual result from cyrup of calamansi was plenteous and did not used yet well. This research was used to utilize that residual industry of cyrup calamansi by cultivating it became essential oil by using distillation method. The residual result from cyrup of calamansi were devided into three types; residual result in solid, residual result in liquid 1, and residual result in liquid 2. From 100 kg fresh calamansi could produce 40 kg residual result in solid, 20 liters liquid 1 and 10 liters liquid 2. Each of them produced essential oil which 300,79 gr (from residual solid), 354,39 gr (from residual result of liquid 1) and 22,33 gr (from residual result of liquid 2). By looking at the yield, residual result industry of cyrup calamansi which contain the highest of essential oil was residual result from liquid 1 with the yield 1,771%, essential oil from the solid was 0,752% and the yield from the residual liquid was 0,223%. The essential oil from cyrup of calamansi was near to the characteristic of lime essential oil in density, refractive index and the yield but for solubility in alcohol was different
EVALUATE THE QUALITY CHANGES OF FRYING OIL DURING CONTINOUS FRYING OF LEMURU FISH (Sardinella lemuru)
Get PDFThe frying oil quality decreased during continoiu frying is not only caused by frying condition, but also caused by the food composition of material being fried. The objective of the study was to evaluate the quality changes of frying oil during continous frying of Sardinella lemuru. 12 consecutive batches of frying of lemuru fish were conducted. Frying oil quality changes after 2nd, 4th, 6th, 8th, 10th and 12th batch of frying were evaluated based on determination free fatty acids (FFA), conjugated dienoic acid (CDA), and the smoke point of the oil samples. The results showed that the more repetitions frying the higher levels of FFA and its CDA value while the value of the lower smoke point. Over 12 times in the frying oil quality parameter of FFA still under the limit was broken and starts to break down in the 23rd frying, but the parameters of the CDA value there is no obtained limit demage, while smoke point of the oil begins to break downin 12th frying