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UNEJ e-Proceeding
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Articles 1,005 Documents
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COMMUNITY ENFORCEMENT TO COMMUNITY EMPOWERMENT: CASE STUDY OF CHILI COLLECTIVE MARKETING ON COASTAL SANDY LAND YOGYAKARTA SPECIAL REGION Alia Bihrajihant Raya
UNEJ e-Proceeding Proceeding of International Conference on Food Sovereignty and Sustainable Agriculture (FoSSA) 2017
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Coastal sandy land had been assumed as marginal land and abandoned for many years.Farmers who was living on coastal sandy land of Kulon Progo District had faced the worstpoverty problem. Since 1970 to 1980, they had cultivated coastal sandy land subsistently. Allof the inhabitants could not have a good economic condition, education, and healthy. Eyedisease had been epidemic on the dry season while health facility was inaccessable. However,recently, in that coastal sandy land area has been able to produce an economical commoditysuch as chili, watermelon, papaya and other horticulture products. Technological innovationwhich discovered by a farmer changed the socio-economics condition of coastal sandy landfarmers. It was invented by the farmer who belongs to B Farmer Group (BFG). As pioneers ofchili farming on coastal sandy land, the farmers in the BFG always attempt to invent newtechnology like evolution of well for watering technology and plastic mulch to ease the mostdifficult tasks of cultivating on marginal land. Those innovations diffused to neighboringvillages, G Farmer Group (GFG). Meanwhile, the GFG enforced institutionalized land planningfor the sustainability of chili farming. Then, GFG could introduce the institutional innovationtaking advantage of shared norms as a community. Community enforcement happened on theGFG through the sanction for dishonest behavior of individual against the farmer group. Theleader takes authority control of sanction while mostly individual member awares theequality and evennes for all of members and then, they achieved chili collective marketingsuccessfully. To understand how the community enforcement is part of the way to empowerthe community, social network analysis was used to mapping the pattern of relationship. Inaddition, exponential random graph models (ERGM) was functioned to gather the structuraleffect of ties in the farmer group network. To understand the effect of leader on communityenforcement, again ERGM was used to predict the role of leaders as exogenous effects onnetwork. The result of social network pattern, interlocking network appears on the GFG,members tend to get connected each other. The connection among members happenedbecause of the social norms and social setting on the farmer group. They attempt to form thestructural equivalence then community enforcement could empower them to workcollectively. Being connected, it means community shared the knowledge and informationconformly while connectivity among leaders have influenced on the information validity.
Immobilization of Lipase on Surfactant-Modified Bentonite and Its Application for Biodiesel Production from Simulated Waste Cooking Oil Ruth Chrisnasari; Angelina Yonardi; Hesti Lie; Restu Kartiko Widi; Maria Goretti Marianti Purwanto
UNEJ e-Proceeding Indonesian Protein Society (IPS), International Seminar and Workshop 2014
Publisher : UPT Penerbitan Universitas Jember

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Abstract

The influence of bentonite modification by cationic surfactant hexadecyl-trimethyl-ammonium bromide (HDTMA-Br) and tetramethyl ammonium hydroxide (TMAOH) on its capability to immobilize lipase was studied. Modification of bentonite was conducted by the adding of 4-6% (v/v) HDTMA-Br and TMAOH respectively. The obtained immobilized lipases then were characterized to observe the optimum pH and temperature as well as their stability during reuse application. The observed results show that there is no significant difference between the variations of HDTMA-Br concentrations to the percentage of immobilized enzyme which can immobilize lipase up to 75-78%. However, the best concentration of TMAOH is 4% (v/v) which can immobilize lipase up to 97.95%. The obtained immobilized lipases on HDTMA-Br-modified bentonite show the optimum catalytic activity on reaction temperature of 35-40 oC and pH of 7.5. In other hand, the optimum catalytic activity of immobilized lipases on TMAOH-modified bentonite is 40oC of incubation temperature and pH of 7. The immobilized lipases on both HDTMA-Br and TMAOH modified bentonite are stable enough so it could be re-used four times before its activity decreased by 48,565% and 46.83 % respectively. Keywords: Lipase, Cationic Surfactant, Bentonite, HDTMA-Br, TMAOH, Biodiesel, Immobilization.
Physical Properties of Gel and Edible Plastic from Whey and Tapioca In Various Ratio and pH Value Triana Lindriati; Herlina .; Ahmad Nafi
UNEJ e-Proceeding Indonesian Protein Society (IPS), International Seminar and Workshop 2014
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Edible plastic usually made from hydrocolloids and could be produced by solvent casting method whereas gel was made before casting. Potential of whey protein combined with tapioca as edible plastic based component was studied at this research. pH of solvent could affect interaction of whey and tapioca during  gel preparation. The gel’s characters affected on plastic’s characters . The research objectives were to study effect of whey and tapioca ratio and pH of solvent on physical properties of gel and edible plastics. Randomized Factorial Block Design were used. The two factors  were  porpotion of whey protein-starch mixture (0%, 20%, 40%, 60%, 80%, 100%) and pH of solvent ( 4, 7 and 9). Increasing of whey porpotion could increase solubility of gel but decrease gel’s lightness and texture. Increasing of pH could increase gel’s solubility and decrease lightness and texture. There was significant effect (p≤0,05) of whey porpotion and pH interaction on gel’s characters. Increasing of whey porpotion could increase tensile strength and decrease elongation and solubility of edible plastics but the increasing of tensile strength was not significant (p≥0,05). Increasing of pH could increase elongation and decrease tensile strength and plastic’s solubility. There wasn’t significant effect (p≥0,05) of whey porpotion and pH interaction on edible plastic’s characters. The result showed that whey addition had decreased plastic’s characters even at 100% whey ratio tensile strength and elongation value were zero, edible plastic could not be produced from 100% whey. Keywords: texture, solubility, elongation, tensile strength, interaction
Screening and Isolation of Cellulolytic Bacteria From Bagasse and Characterization of The Cellullase Produced Lanny Hartanti; Fandy Susanto; Caesilia Putri Utami; Emi Sukarti; Henry Kurnia Setiawan; Martha Ervina
UNEJ e-Proceeding Indonesian Protein Society (IPS), International Seminar and Workshop 2014
Publisher : UPT Penerbitan Universitas Jember

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Abstract

The research of screening and isolation of cellulase-producing bacteria from bagasse had been done. The objectives of the research were to obtain cellulolytic bacteria isolate, to determine the genus of the isolates and also to characterize the crude enzymes produced. One isolate with the highest activity was chosen to be purified further bystreak plate and pour plate methods in carboxyl methyl cellulose(CMC)  agar media. The genus of the pure isolated bacteria was further characterized by macroscopic and microscopic properties, and biochemical assays using conventional methods and MicrobactTM Kit: gram-negative identification system (Oxoid). The result showed that the isolated cellulolytic bacteria had a close character similarity to Bacillus pumilus. The isolate was grown on MHB + CMC media with 2 hours of adaptation phase followed by logarithmic phase until 21 hours of incubation. Cellulase was started to be produced after 4 hours of fermentation and reached the highest activity at 21 hours of fermentation. The cellulase produced had the pH optimum at pH 5 and a temperature optimum at 60 °C, with optimum activity ranging from 0.0231 to 0.0264 U /ml. One unit of cellulase activity is defined as the amount of enzyme that will catalyze the production of 1 mg of glucose per minute at 37°C and pH 7.0. Keywords:  bagasse, bacteria isolation, cellulolytic, biochemical characterization, enzyme characterization
The Effect Of Cholecalciferol On Fasting Blood Glucose In Streptozotocin-induced Hyperglycemia Mice Elly Nurus Sakinah
UNEJ e-Proceeding Indonesian Protein Society (IPS), International Seminar and Workshop 2014
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Glucose uptake into skeletal muscle cells require insulin-dependent and insulin independent signaling pathways, both leading to the translocation of glucose transporter-4 (GLUT4) to the plasma membrane. Insulin resistance occurs due to failure of insulin signaling to translocate GLUT4 resulting in the failure of glucose uptake and causing hyperglycemia. Cholecalciferol is known to have a function in regulating calcium homeostasis was shown to increase the synthesis of insulin and increasing insulin sensitivity. The purpose of this study is to explain the role of cholecalciferol to decreased fasting blood glucose in streptozotocin-induced hyperglyemia mice. 30 mice adapted for one week and then induced using 150mg/kgBW streptozotocin (STZ) intraperitoneally, After experiencing hyperglycemia mice were divided into 5 groups (n=6 each), Group I (hyperglycemic control), group II (25ng cholecalciferol), group III (50ng cholecalciferol), group IV (100ng cholecalciferol), and group V (metformin 300mg/kgBBB). Cholecalciferol given orally for 14th days. On day 15th the examination of fasting blood sugar levels were taken and the mice. Fasting blood sugar levels measured using a glucometer. Based on statistical analysis showed that there were significant differences in fasting blood sugar levels between treatment groups (p<0,001). Based on univariate regression analyses there was negative correlation of cholecalciferol with fasting blood glucose (p<0,001). Cholecalciferol may lower fasting blood sugar levels in hyperglycemia mice models. Keywords: cholecalciferol, fasting blood glucose, STZ.
THE EFFECTS OF WATER FRACTION OF BITTER MELON (MOMORDICA CHARANTIA) LEAF EXTRACT IN MAMMARY GLAND DEVELOPMENT OF BALB/C MICE (MUS MUSCULUS) WITH HISTOLOGICAL AND MOLECULAR BIOLOGICAL ANALYSIS OF PROTEIN APPROACHES Nur Hayati; Afifah Nur Aini; Nafisatuzzamrudah Nafisatuzzamrudah; Umie Lestari
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Recently many breast-feeding mothers use chemical drugs to ease milk secretion, while the said drug could cause side effects if consumed in a long time. The problem could be solved by using natural medicine like bitter melon leaf because it contains charantin which is characteristically identical to phytosterol [6]. This study aimed to discover the potention of water fraction of bitter melon leaf extract to stimulate mammary gland development in Balb/c mice. The development of mammary gland was observed through histological approach by calculating the number of cells in mammary gland, and through molecular biological analysis of protein approach by using SDS-PAGE. The histology of mammary gland showed that the administration of the extract with concentration of 11,200 ppm had the highest number of cells, followed by 5,600 ppm; 22,400 ppm and 16,800 ppm. The result of SDS-PAGE on isolated mammary gland protein showed that the molecular weight of the proteins in the controlled treatment were 2, 5, 8, 10, 12, 19, 34, 40 and 49 kDa. In treatment with concentration of 5,600 ppm there were only 10, 12, 34, 40 and 49 kDa. In treatment with concentration of 11,200 ppm there were similar kinds of proteins with the controlled treatment, only without the 8 kDa protein. In treatment with concentration of 16,800 and 22,400 ppm, there were only 2, 5, 10, 12 kDa. The conclusion of this study was water fraction of bitter melon leaf extract could affect the development of mammary gland in Balb/c mice.
INPUT OF NUTRIENT (NITROGEN AND PHOSPHORUS) FROM THE CATCHMENT AREA INTO RAWAPENING LAKE OF CENTRAL JAVA Agatha Sih Piranti; Diana RUS Rahayu; Gentur Waluyo
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Nutrients (Nitrogen and Phosphorus) enter the waters in dissolved form or in sediment particles that reflect to condition of landuse activities that occur in the catchment area. This condition will determine the quality of the water and the lake productivity or trophic status. The purposes of this study were to assess how much nutrients input (N and P) that goes to Rawapening Lake and assess the biological response induced by lake. The observations was done by 4 times (2 times in the rainy season and 2 times in the dry season) in 9 of the river into the lake (River of Rengas, Panjang, Torong, Galeh, Parat, Legi, Muncul, Sraten, Kedungringin, Tuntang) as well as in 12 loc ations in the lake waters: area of Brebesan, Tourism of “Bukit Cinta”, Spring area, net cage 1, net cage 2, Kedungringin River estuary, and the outlet. The results showed that the TN input was up to 154,62 mg/sec and TP was up to 10,32 mg/sec. The Rawapening Lake had a deficit of TP up to 64.9% and TN up to 67.25%. It could be concluded that Rawapening lake had an acting as a sink and further it could served as a source of nutrients that lead to eutrophication condition.
OPTIMIZATION OF YOGURT FERMENTED MILK PRODUCTS WITH THE ADDITION OF NATURAL STABILIZER BASED ON LOCAL POTENTIAL OF TARO STARCH (COLOCASIA ESCULENTA) Aju Tjatur Nugroho Krisnaningsih; Dyah Lestari Yulianti; Imam Thohari; Puguh Surjowardojo
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

The aims of research were to improve the quality of the final product through the use of yogurt stabilizer based on local potential, easily obtainable stock and has a low price, namely taro starch (Colocasia esculenta). The method of research was laboratory experiment arranged in completely randomized design factorial. The first factor is the level of taro starch with 4 treatments (0%, 1%, 2%, 3%). The second factor is the concentration of starter with 3 treatments (1%, 3%, 5%). Each treatment was repeated 3 times. The variables measured and analyzed: 1) pH, 2) the acidity, 3) viscosity. The data were analyzed by Anova. If significant the Duncan’s Multiple Range Test was applied.The results showed the addition of stabilizer level provides a significant influence on the pH, acidity and viscosity of yogurt (P <0.01) but concentration starter not significant of pH and viscosity (P> 0.05) but very real effect on the acidity of the yogurt (P <0.01). Interaction taro starch level and inoculation starter does not give effect to the quality of the yogurt based on physico-chemical properties. pH yogurt with the addition of stabilizer level of 1%, 2% and 3% produce ideal pH after fermentation for ready consumption of 3.9. The acidity of the yogurt without stabilizer (0%) was 1,52% -2.02%. Addition of stabilizers 1% and above decreased the acidity of the yogurt. Level 3% of stabilizer provides the highest viscosity value of 27620 cP yogurt. While the lowest viscosity of the yogurt without addition of stabilizer (0%) of 840 Cp. Conclusions of research that the stabilizer taro starch level of 1% contribute to produce optimal quality yogurt products.
STRATEGIES FOR DEVELOPMENT OF BEEF CATTLE FARMING BASED ON INNOVATION TECHNOLOGY AND FEEDING PROGRAM TO MEET SELF SUFFICIENCY IN MEAT Romziah S.; Hario P. S.; Tri Bhawono D.
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Innovation and technology of feed supply for the beef cattle ration by using soy bean cake, pollard and corn oil, and it’s was combined with urea-fibrolite-molasses candy for cattle were significantly (p<0.05) increase the life weight gain of Rambon (Indonesian native beef cattle) as well as the utilization of feed were more efficient. When evaluated of the dressing percentage of the carcass and meat weight, these combination types of beef cattle feed bring a positive prospect for improving the performance of Rambon beef cattle.
FEATURE EXTRACTION OF HEART SIGNALS USING FAST FOURIER TRANSFORM Hindarto Hindarto; Izza Anshory; Ade Efiyan
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Heart disease is a disease that is very dangerous. Even today in Indonesia an estimated 20 million or approximately 10% of the population of the archipelago suffer from heart disease. Such conditions make cardiovascular disease the number one killer in Indonesia. Not only in Indonesia, the number of heart patients in the world very much, it is estimated there are at least one billion people. This study was designed with the aim to classify the heart signals, the data taken from Physiobank namely MIT-BIH Arrhythmia Database and MIT-BIH Normal Sinus Rhythm Database, the data is processed by taking the feature extraction methods Fast Fourier Transform. The results of the feature extraction method used will be selected prior to use for the classification process. Classification is using Backpropagation Neural Network. From the research found, the feature extraction method of Fast Fourier Transform by taking 64 point data after FFT process and backpropagation as classification of obtaining a classification accuracy rate of 87 %.

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