scholarly journals BREBES SHEEP SKIN THAT IS HYDROLYSED WITH EXCESS ACID SOLUTION (CH3COOH) AND SITRATE ACID (C6H8O7) BECAME GELATIN

2019 ◽  
Vol 1 (2) ◽  
Author(s):  
Muhamad Hasdar ◽  
Wadli Wadli ◽  
Daryono Daryono
Keyword(s):  
Soaking Time ◽  
Local Resources ◽  
Randomized Design ◽  
Acid Protein ◽  
Skin Collagen ◽  
Measurement Results ◽  
Difference Test ◽  
Range Test ◽  
Better Than

Local resources from Brebes Regency that have not been maximized properly are sheep skin. Brebes sheep skin can be converted into gelatin. This study aims to determine the quality of the yield and gelatin protein of sheep skin hydrolyzed using weak acids. The main ingredient of this research is sheep skin from Brebes Regency, which is 1-2 years old. The research method uses a completely randomized design (CRD) 2 x 3 factorial pattern where the first factor is the soaking material (CH3COOH 2% v / v and C6H8O7 2% v / v) and the second factor is the immersion time (2 hours, 3 hours and 4 hour), then proceed with the Real Difference test using the Duncan Multiple Range Test (DMRT). The yield measurement results showed the percentage of sheep skin gelatin is 10,12-10,77%, and the measurement of sheep skin gelatin protein showed a percentage of 70,96-72,87%. The ability of CH3COOH 2% in hydrolyzing sheep skin collagen is better than C6H8O7 2%. The highest percentage of yield and protein is at 4 hours soaking time for each type of solution.Keywords: Gelatin, Low Acid, protein, sheep skin, rendement

scholarly journals The Variance of Strong Acid and Long Time Soaking Solutions on Quality of pH and Protein Gelatin of Sheep Skin

2017 ◽  
Vol 1 (2) ◽  
pp. 88
Author(s):  
Muhamad Hasdar ◽  
Yuniarti Dewi Rahmawati
Keyword(s):  
Strong Acid ◽  
Test Results ◽  
Soaking Time ◽  
Randomized Design ◽  
Skin Collagen ◽  
Long Time ◽  
Difference Test ◽  
Range Test ◽  
Better Than

This study aims to determine the quality of pH and sheep skin gelatin protein that is hydrolyzed using strong acid. The main ingredient of this research is sheep skin originated from Brebes Regency which is 1 - 2 years old. The research method used Randomized Completely Randomized Design (RAL) 2 x 3 factorial pattern where the first factor is soaking material (HCl 2% v / v and H2SO4 2% v / v) and second factor is the duration of immersion (2 hours, 3 hours and 4 hour), then continued with the real difference test using Duncan Multiple Range Test (DMRT). The test results showed sheep skin gelatin value that is pH 3,52 - 3,85 and protein 88,80 - 90,47%. HCl 2% ability to hydrolyze sheep skin collagen is better than 2% H2SO4. Highest pH and protein values occur at 4 hours of soaking time.

Organoleptic Characteristics Of Cow Skin Cracker With Variety Of Skin Types And Souring Time

2021 ◽  
Vol 3 (2) ◽  
Author(s):  
Anita Mustika Ibrahim ◽  
Harapin Hafid ◽  
Ali Bain
Keyword(s):  
Immersion Time ◽  
Skin Extract ◽  
Factor B ◽  
Soaking Time ◽  
Organoleptic Characteristics ◽  
Randomized Design ◽  
Different Types ◽  
Completely Randomized Design ◽  
Difference Test

Skin crackers are snacks which made from cattle skin. In order to get a good quality of skin crackers, the immersion process is carried out in a mixture of whiting solution and pineapple skin extract. This study aimed to evaluate the organoleptic characteristics of cow skin crackers with different types of skin and soaking time. The material used in this study is cow leather, whiting and pineapple skin. The method used is a completely randomized design factorial pattern with 3 x 3 and 4 times repetition. Factor A is the type of skin part (head, foot and neck) and factor B is difference of immersion time (24, 48, 72 and 96 hours). Research variables included color, aroma, taste, joy, crispness and acceptance of the panelists. The data obtained were analyzed using SPSS 16.0 and the smallest real difference test (LSD). The results showed that the interaction between the type of skin and immersion time did not significantly influence (P> 0.05) on color, aroma, taste, crispness, panelist acceptance and preference. Independent skin immersion time significantly influence (P <0.05) on color, aroma, taste, crispness, panelist acceptance and preference. The best treatment is obtained at 96 hours of immersion time.

scholarly journals Kualitas Dan Fertilitas Spermatozoa Sebagai Akibat Pejantan Berbeda

2020 ◽  
Vol 2 (2) ◽  
pp. 29-37
Author(s):  
Mohamad Ervandi ◽  
Widiastuti Ardiansya ◽  
Sandi Prahara
Keyword(s):  
Test Tube ◽  
Randomized Design ◽  
Native Chicken ◽  
Significant Difference ◽  
Completely Randomized Design ◽  
Hatching Eggs ◽  
Difference Test ◽  
Average Fertility ◽  
Better Than

The purpose of this research was to determine the effect of chicken species on the quality and fertility of spermatozoa. Semen is collected from Kampung, Arab, and Bangkok chickens through a massage method. The semen obtained is collected in a test tube, then diluted with Ringer's Dextrose. Spermatozoa examination is carried out macroscopically and microscopically. There are eighteen (18) female leghorn chickens used to test the fertility of spermatozoa, through the process of hatching eggs in an incubator. The research design used a Completely Randomized Design (CRD), with three (3) treatments and six (6) replications. Data analysis using analysis of variance, if there are differences, continued with the Least Significant Difference test (LSD). The results showed that the fertility of Bangkok chicken spermatozoa was significant (P 0.01) compared to the sperm fertility of Arab chickens and Kampung chickens. The average fertility value of each cement is Kampung chicken: 68.88%, Arabic chicken: 71.32%, Bangkok chicken: 89.96%. The quality of Bangkok chicken semen is better than native chicken and Arabic chicken

scholarly journals Pemanfaatan Kotoran Ayam untuk Peningkatan Kualitas Pucuk Tebu Sebagai Pakan Ruminasia

2018 ◽  
Vol 21 (1) ◽  
pp. 33
Author(s):  
C I Sutrisno ◽  
B.W.H.E Prasetyono ◽  
E Ali
Keyword(s):  
Analysis Of Variance ◽  
Sugar Cane ◽  
Research Result ◽  
Duncan Multiple Range Test ◽  
Randomized Design ◽  
Completely Randomized Design ◽  
Two Stages ◽  
Range Test ◽  
Better Than

<p>Experiment was carried out in two stages. The first was aimed to study the viabilty of microbe of dried-oven manure and dried-sunshine manure. Completely Randomized Design (CDR), 3 treatments and 4 replications, was used throughout the experiment with content of manure microbe as the parameters. The research result indicates that the way of draining degraded the viability of microbia manure. Manure microbia’s viability of dried-oven manure was better than that of the dried-sunshine manure.</p>The second was aimed to investigate the effect of dried-manure as starter with different time of fermentation on the quality of fermented sugar cane. Completely Randomized Design, factorial pattern 3x3 by 3 replications was employed during the experiment. The first factor was starter levels (A): 0, 15 and 30%, while the second was different time of fermentation (W): 0, 4 dan 8 week. Parameter perceived by fermented fiber component, which analysis by Analysis of Variance, while the differences among the treatment were tested with the Duncan Multiple Range Test (DMRT), continued by Polinomial Ortogonal. Fermented sugar cane by dry manure with different time of fermentation degraded the rate of NDF and ADF. The best performance was reached at 30% of starter and 4 weeks of fermentation.

Motilitas dan Vabilitas Spermatozoa Ayam Kampung pada Suhu 5°C Menggunakan Pengencer dan Lama Simpan yang Berbeda

2018 ◽  
Vol 5 (2) ◽  
pp. 102
Author(s):  
Enike Dwi Kusumawati ◽  
Selvinus Lawu Woli ◽  
Aju Tjatur Nugroho Krisnaningsih ◽  
Waluyo Edi Susanto ◽  
Syam Rahadi
Keyword(s):  
Data Analysis ◽  
Storage Temperature ◽  
Coconut Water ◽  
Laboratory Research ◽  
Ringer Lactate ◽  
Randomized Design ◽  
Native Chicken ◽  
Lactate Solution ◽  
Better Than

ABSTRAKPenelitian ini dilakukan untuk mengetahui motilitas dan viabilitas spermatozoa ayam kampung pada suhu 5oC menggunakan pengencer dan lama simpan yang berbeda. Metode yang digunakan dalam penelitian ini adalah penelitian laboratorium menggunakan Rancangan Acak Lengkap (RAL) Faktorial dengan pengencer ringer lactat solution, air kelapa dan tanpa pengencer serta lama simpan 0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, masing-masing diulang 10 kali. Variabel yang diamati yaitu motilitas dan viabilitas spermatozoa. Analisa data yang digunakan adalah analisis varian. Hasil analisis data menunjukkan bahwa motilitas dan viabilitas spermatozoa menggunakan pengencer ringer lactat solution lebih tinggi (P<0,01) serta dapat bertahan sampai lama simpan 24 jam dibandingkan air kelapa dan tanpa pengencer. Adapun nilai motilitas ringer lactat solution, air kelapa dan tanpa pengencer pada lama simpan 24 jam masing-masing sebesar 43,5±17,17%; 8±4,83%; 6,5±2,4%, sedangkan nilai viabilitasnya sebesar 83,2±7,25%; 64,6±3,20%; dan 63,1±2,33%. Kesimpulan dari hasil penelitian ini adalah ringer lactat solution lebih baik dibandingkan air kelapa dan tanpa pengencer dalam mempertahankan kualitas semen ayam kampung pada suhu simpan 5oC sampai lama simpan 24 jam.Kata Kunci : air kelapa, ayam kampung, motilitas, spermatozoa, viabilitas  ABSTRACTThis study was conducted to determine the motility and viability of spermatozoa of Native chickens at 5oC using different diluents and time storage. The method used in this study was laboratory research using Factorial Completely Randomized Design with ringer lactate solution, coconut water and without diluent at 0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30 hours of time storage each repeated 10 times. The variables observed were motility and viability of sperm. Data analysis used is variance analysis. The results of data analysis showed that the motility and viability of spermatozoa using ringer lactate solution diluents was higher (P <0.05) than coconut water and without diluents. The motility values of ringer lactat solution, coconut water and without diluents were 43,5±17,17%; 8±4,83%; 6,5±2,4% respectively, while the viability values were 83,2±7,25%; 64,6±3,20% and 63,1±2,33%. The conclusion of this study is that ringer lactat solution is better than coconut water an without diluents in maintaining the quality of Native chicken semen at a storage temperature of 5oC until 24 hours.Keywords: coconut water, motility, native chicken, sperm, viability

scholarly journals Kualitas Organoleptik Telur Itik yang Diberi Pakan Maggot Hidup (Hermetia illucens)

2019 ◽  
Vol 5 (1) ◽  
pp. 1
Author(s):  
Aam Gunawan
Keyword(s):  
High Protein ◽  
Protein Source ◽  
Hermetia Illucens ◽  
Organoleptic Quality ◽  
Low Protein ◽  
Randomized Design ◽  
Living State ◽  
Completely Randomized Design ◽  
Range Test

Maggot black soldier fly (Hermetia illucens) is a protein source of feed which is highly favored by poultry, especially ducks and chickens. However, it is feared that the provision of live maggot in ducks will affect the organoleptic quality of the egg, especially its taste and aroma. Therefore this study aims to determine the organoleptic quality of duck eggs fed Hermetia illucens maggot feeds in a living state. The study used 120 alabio ducks which were placed in a postal cage. The design used was a completely randomized design, each treatment using six replications. Each replication is taken egg sample to be tested panelists. The panelists used were 67 panelists who were somewhat trained. The data obtained were analyzed of variance and Duncan's multiple range test. The treatments that were tried consisted of P1: low protein rations without live maggot, P2: low protein rations with live maggot administration 40 g/bird/day, P3: high protein rations without live maggot administration, and P4: high protein rations with live maggot administration 40g/bird/day. The results showed that the treatment affected the texture, flavor, and aroma of boiled eggs. Ducks fed with high protein ration coupled with the provision of live maggot 40 g/bird/day produce softer textures, tastes quite good, and aroma more fishy. Keywords: Maggot, duck eggs, organoleptics

scholarly journals THE ADDITION OF COCONUT WATER AND THIAMINE TOWARDS CHRYSSANTHENUM MICRO CUTTINGS (Dendranthema grandiflora Tzvelev) IN VITRO

Agrivet ◽  
2021 ◽  
Vol 27 (1) ◽  
pp. 39
Author(s):  
Salma Nabila ◽  
Endah Budi Irawati ◽  
Rina Srilestari
Keyword(s):  
Water Concentration ◽  
Coconut Water ◽  
Fresh Weight ◽  
Randomized Design ◽  
Two Factors ◽  
Completely Randomized Design ◽  
Range Test ◽  
Growing Shoot

Chryssanthenum is ornamental plant with variety of shape and color which are unique and appealing. So that, it is in great demand in the community. The production of Chrissanthenum conventionally hampered by availability and quality of seeds. Thus, it needs research through tissue culture. The aim of this research is to know interaction between coconut water and thiamine and to determine the best coconut water and thiamine concentration toward Chryssanthenum micro cuttings. This research used laboratory experimental method by using completely randomized design with two factor. The 1st factor was coconut water concentration consisted of three level which were 5%, 10% and 15%. The 2nd factor was thiamine concentration consisted of three level which were 1mg/L, 2 mg/L and 3 mg/L. From the two factors, those were found that, there were nine combination of treatments and repeated 3 times. The variety  of data was analyzed by using Analysis of Variance (ANOVA) with level of α=5%, and continued by examining Duncan’s Multiple Range Test (DMRT) with level of α=5%. The result indicated that the interaction of coconut water concentration was 5% and thiamine was 1 mg/L on the parameters when growing shoot. There was also interaction on coconut water concentration which was 10 % and thiamine was 1 mg/L on the parameters in the number of shoots. interaction of coconut water combination was 15% and thiamine was 2 mg/L on  fresh weight. The addition of 10% coconut water and 1 mg/L thiamine showed the best result on shoot length.

scholarly journals Quality Improvement of White Pepper with Processing through Optimizing the Ratio of Starter Culture from Acetobacter sp., Bacillus subtilis, and Bacillus cereus

2021 ◽  
Vol 29 (1) ◽  
pp. 87-96
Author(s):  
Kirana Sanggrami Sasmitaloka ◽  
Hernani Hernani
Keyword(s):  
Fermentation Process ◽  
Starter Culture ◽  
High Quality ◽  
Soaking Time ◽  
White Pepper ◽  
Randomized Design ◽  
Short Period ◽  
Study Characteristics ◽  
Completely Randomized Design

Fermentation process using known microbial species can be exploited for the processing of white pepper. It is expected to generate quality of white pepper in a short period soaking time. This research aimed to study characteristics of white pepper through a fermentation process by addition of combination isolates of Acetobacter sp., B. subtilis, and B. cereus. After threshing, 2 kg of fresh pepper berries was soaked in water mixed with starter culture. The experiment used a completely randomized design, two replications. The treatment consisted of: A) starter culture ratio of Acetobacter sp.: B. subtillis: B. cereus (A1 = 0:0:0; A2 = 1:1:1; A3 = 2:1:1; A4 = 1:2:1; and A5 = 1:1:2) and soaking time (B1 = 5 and B2 = 7 days). Fermented pepper was decorticated, washed, and dried. The best treatment was fermented for 7 days with the combination isolates of Acetobacter sp., B. subtilis, and B. cereus with ratio 2:1:1. This condition produced white pepper in fulfilling in requirement of SNI standards with piperine and essential oil contents and TPC of 5.95%, 2.95% and 1.1 x 102 CFU/g, respectively. This process is expected to generate high quality of white pepper in a short soaking time.

scholarly journals The Physical of Biscuit Complete Ration Based on Hymenacne Acutigluma Supplemented with Different Legumes

2018 ◽  
Vol 68 ◽  
pp. 01021
Author(s):  
Riswandi ◽  
Basuni Hamzah ◽  
Agus Wijaya ◽  
Arfan Abrar ◽  
S Agus ◽  
...  
Keyword(s):  
Specific Gravity ◽  
Water Absorption ◽  
Water Content ◽  
Animal Feed ◽  
Physical Quality ◽  
Randomized Design ◽  
Completely Randomized Design ◽  
Range Test

The aim of this research was to study the effects of supplementation different legumes on the physical quality of biscuit complete ration based on hymenacne acutigluma. This study was conducted in Animal Feed and Nutrition Laboratory of Agriculture Faculty, Sriwijaya University. This study was done in 2 months. A completely randomized design with four treatments and four replicates was used in this study. Each treatments were P0= 70% kumpai grass + 30% concentrate + 0% legume, P1= 55% kumpai grass + 7.5% lamtoro leaves + 7.5% water mimmosa + 30% concentrate, P2= 55% kumpai grass + 7.5% acacia leaves + 30% concentrate, and P3= 55% kumpai grass + 5% lamtoro leaves + 5% acacia leaves + 5 % water mimmosa + 30% concentrate. Variables measured were water content, density, average collision endurance, specific gravity and water absorption. The result indicated that The adding of different legumes in the ration significantly (P<0.05) affected the specific gravity and water absorption, but no significant effect on density, average collision endurance. Duncan Multirange Range Test showed that treatment of control (P0) had the highest of water absorption (264.56%). The highest content of water gravity was obtained in the treatment of adding lamtoro, acacia and water mimmosa (P3), namely 0.9 g/ml water gravity. The conclusion of this study is the addition of different legumes in kumpai grass-based diets can improve the physical quality of the complete ration biscuit. The addition of lamtoro leaves, water mimosa and acacia at the level of 5%, gave the best result in specific gravity and water absorption.

ANALYSIS OF THE QUESTIONNAIRE FOR ASSESSING THE LEADERSHIP QUALITIES OF STUDENTS

2019 ◽  
Vol 5 ◽  
pp. 430
Author(s):  
Anatoly Maslak
Keyword(s):  
Latent Variables ◽  
Latent Variable ◽  
Theory Of Measurement ◽  
Interval Scale ◽  
Leadership Qualities ◽  
Wide Range ◽  
Measurement Results ◽  
Measuring Tool ◽  
Better Than

The quality of the questionnaire as a measuring tool largely determines the relevance of the results. The aim of the work is to analyze the quality of the questionnaire as a measuring tool used to evaluate the latent variable "leadership qualities of students". The study was conducted within the framework of the theory of measurement of latent variables, which has important advantages. First of all, the latent variable is determined operationally, through a set of indicators (questionnaire items), the more indicators, the higher the accuracy of the latent variable measurement. The latent variable and indicators are measured on the same interval scale in logits. This allows the use of a wide range of statistical procedures for the analysis of measurement results. The analysis of the following aspects of the quality of the questionnaire as a measuring tool: the presence of extreme indicators in the test, the compatibility of a set of indicators, the compliance of the questionnaire to the level of students on the measured latent variable, the uniformity of the distribution of indicators on the interval scale. The indicators that differentiate students with high and low levels of leadership qualities better than others are highlighted. Recommendations on the adjustment of the questionnaire as a measuring tool for assessing the leadership qualities of students are given. 

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