scholarly journals Effect of fatliquor level on the physical quality of Indonesian rabbit fur leather

2021 ◽  
Vol 902 (1) ◽  
pp. 012021
Author(s):  
T Maryati ◽  
T Nugroho ◽  
Sundari ◽  
S H C Dewi

Abstract This study aimed to evaluate the effect of fatliquor level on the physical quality of Indonesian rabbit fur leather. A total of 15 sheets of Indonesian local rabbit leather (30 cm long and 26 cm wide) were randomly divided into 5 treatments with 3 replicates. The five treatments were level of fatliquor: 5%, 10%, 15%, 20%, and 25%. In this study, the physical quality of rabbit fur leather was measured in tension, elongation, tensile strength, and tear strength. Data were analyzed using analysis of variance followed by Duncan’s New Multiple Range Test. Level of fatliquor affects (P<0.05) softness, elongation, tensile strength, and tear strength of rabbit fur leather. The use of fatliquor up to 20% increased the rabbit leather softness and elongation, but there was a decrease at 25%. The use of 10% fatliquor produces the highest tensile strength. The highest tear strength resulted from the use of fatliquor levels of 5% and 15%. It is concluded that using 20% fatliquor on the fatliquoring process of rabbit fur leather tanning produces the best physical quality.

2019 ◽  
Vol 2 (2) ◽  
pp. 251
Author(s):  
Ode Kaudin ◽  
Andi Besse Patadjai ◽  
Kobajashi Togo Isamu

ABSTRACT          The purpose of this study was to determine the effect of adding carrageenan to the sensory quality, proximate and physical quality of sago flour-based wet noodles. This study used a Completely Randomized Design (CRD) using an experimental method with a concentration of 51% flour composite material, 41% sago flour with the addition of carrageenan consisting of three treatments, addition of carrageenan T0 (control 0%), T1 (8%), and T2 (10%) and repeated three times. Data from observations were analyzed using ANOVA (Analysis of Variance) at a level of 95%, if there is a real difference (P> 0.05) then a further test was performed with a DMRT (Duncan Multiple Range Test) tests at a 95% significance level. The results of the study were drawn from the best assessment results of the highest sensory value obtained in the T2 treatment with a color value of 5.13, suppleness 7.20, taste 7.73, and aroma 6.23. Proximate composition of wet noodles was obtained at T2 treatment, water content with a value of 35.94%, the protein content of 5.07%, fat content of 1.39%, ash content of 5.47%, carbohydrate content of 31.45% and the crude fiber content of 15,16%. The physical quality of wet noodles can be obtained at T2 treatment, wet noodle development test with a value of 0.83 mm (millimeters) and water absorption test with a value of 1.04%. The results showed that there was a significant influence on the addition of carrageenan to the proximate quality and physical quality of wet noodles but did not have a significant effect on sensory quality on the aroma attributes. Keywords: Carrageenan, Wet noodles, Sago flourABSTRAKTujuan penelitian ini adalah untuk mengetahui pengaruh penambahan karagenan terhadap kualitas sensorik, proksimat dan kualitas fisik mie basah berbasis tepung sagu. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan menggunakan metode eksperimen dengan konsentrasi bahan komposit tepung terigu 51%, tepung sagu 41% dengan penambahan karagenan yang terdiri dari tiga perlakuan, penambahan karagenan T0 (kontrol 0%), T1 (8%), dan T2 (10%) dan ulangan sebanyak tiga kali. Data hasil pengamatan dianalisa menggunakan ANOVA (Analysis of Variance) pada taraf  95%, apabila terdapat beda nyata (P>0,05) maka dilakukan uji lanjut dengan uji DMRT (Duncan Multiple Range Test) pada taraf nyata 95%. Hasil penelitian diambil dari hasil penilaian terbaik dari nilai tertinggi sensorik yang diperoleh pada perlakuan T2 dengan nilai warna 5,13, kekenyalan 7,20, rasa 7,73, dan aroma 6,23. Komposisi proksimat mie basah diperoleh pada perlakuan T2, kadar air dengan nilai 35,94%, kadar protein 5,07%, kadar lemak 1,39%, kadar abu 5,47%, kadar karbohidrat 31,45% dan kadar serat kasar 15,16%. Kualitas fisik mie basah basah dapat diperoleh pada perlakuan T2, uji pengembangan mie basah dengan nilai 0,83 mm (mili meter) dan  uji daya serap air dengan nilai 1,04%. Hasil menunjukkan bahwa terdapat pengaruh nyata penambahan karagenan terhadap kualitas proksimat dan kualitas fisik mie basah namun tidak memberikan pengaruh nyata terhadap kualitas sensorik pada atribut aroma.Kata kunci: Karagenan, Mie basah, Tepung sagu


2018 ◽  
Vol 42 (2) ◽  
Author(s):  
Laili Rachmawati ◽  
Emiliana Anggriyani

Tanning process using free chromed material is needed to reduce toxic content in leather. The aims of this study is to increase byproducts of livestock by goat skin tanning with free chrome tanning materials. This study used glutaraldehyde as tanning materials. Goat skins were tanned become upholstery leather, and then physical quality was determined. The materials of this study were pickle goat skin. Physical testing conducted in Balai Besar Kulit, Karet dan Plastik (BBKKP) Yogyakarta. The results were analyzed descriptively using SPSS version 17.0 for Windows. Statistical analysis showed that the value of tensile strength, elongation, tear strength, sewing strength, scrub resistance of paint to dry and wet were 166.025 ± 72.315 kg/cm²; 69.910 ± 9.107%; 26.785 ± 6.031 N/cm; 115.120 ± 18.681 kg/cm; 0.775 ± 0.353; 0.775 ± 0.353 respectively. This study showed that the physical quality of upholstery leather which tanned using free chrome tanning materials have the physical qualities that met with SNI standard for leather upholstery.


2019 ◽  
Vol 8 (4) ◽  
pp. 12564-12567 ◽  

Vegetable tanning is leather tanning using tanning agents derived from plants. Utilization of mimosa (as a source of tannins from Acacia wood) for tanning materials has various weaknesses in terms of influence on the environment. Kepok banana (Musa paradisiaca L.) bunch is one of the abundant banana waste and not yet utilized. Banana bunches contain 2-5% tannins so they have the potential to be used as tanning agent. Although the tannin content is not high, it is still possible to be used as tanning agent for small-sized skin, such as rabbit skin. This study aimed to determine the physical quality of rabbit skin that wastanned with banana bunches. The results showed that Kepok banana bunches can be used as a good tanning material that is environmentally friendly. The use of Kepok banana (Musa paradisiaca L.) bunch as tanning material had a significant effect (P <0.05) on physical quality of rabbit skin. With 25% Kepok banana (Musa pardisiaca L.) bunch as tanning agent, the tanning process could produce leather sheets that met Indonesian National Standard (SNI) no 06-0237-1989 with 1.17 mm of thickness, 4.7 mm of softness, 12.02 kg/cm of tear strength, 239.55 kg/cm2 of tensile strength, and 174.12% of elongation.


Author(s):  
Tika Kusmaryanti ◽  
Ratna Ibrahim ◽  
Putut Har Riyadi

ABSTRAK   Usaha penyamakan kulit ikan Pari umumnya dilakukan oleh usaha kecil menengah dan hanya menggunakan metode aldehid dengan bahan samak formalin, Selain itu juga belum diketahui kualitas kulit ikan Pari Mondol tersamak yang menggunakan bahan samak krom. Penelitian ini bertujuan untuk mengetahui pengaruh perbedaan penggunaan jenis bahan penyamak terhadap kualitas fisik dan kimiawi kulit ikan Pari Mondol tersamak. Materi penelitian berupa kulit ikan Pari Mondol (Himantura gerrardi) dan bahan samak. Penelitian dilakukan dengan metode eksperimental laboratoris. Rancangan percobaan yang digunakan adalah Rancangan Acak Kelompok dengan perlakuan bahan samak yang berbeda, yaitu formalin, krom, dan kombinasi. Masing-masing perlakuan diulang tiga kali. Variabel mutu yang diamati adalah kekuatan tarik, kemuluran, kekuatan sobek, ketebalan, suhu kerut, ketahanan bengkuk (bengkok), pH dan kadar air. Data dianalisis menggunakan ANOVA dan perbedaan diantara perlakuan diuji dengan Uji Tukey. Hasil penelitian menunjukkan bahwa perbedaan bahan penyamak menyebabkan pengaruh nyata terhadap nilai kekuatan tarik, kekuatan sobek dan ketebalan tetapi tidak memberikan pengaruh nyata terhadap nilai pH, kadar air dan ketahanan bengkuk. Produk yang terbaik yaitu kulit ikan Pari Mondol yang disamak dengan bahan samak kombinasi antara krom dan mimosa, yang sebagian persyaratan mutunya sudah memenuhi persyaratan mutu kulit ikan Pari tersamak menurut SNI 06-6121-1999.   Kata kunci: Kualitas, kulit Ikan Pari, penyamak     ABSTRACT  Meanwhile the quality of Stingray tanned leather which using chrome tannin materials was not yet known. This research aims to determine the effect of different types used tannin materials towards physical and chemical quality of Stingray leather quality. The materials used in this research isStingray (Himantura gerrardi) skin and tannin materials. The study was conducted with laboratory experimental method. The experiments was designed according to the Randomized Block Design with different tanning materials (formalin, chrome, and chrome-combination). Each treatment was done with in triplicate. The quality variables that measured were tensile strength, elongation, tear strength, thickness, shrinkage temperature, bent resistance, pH and moisture content. Data were analyzed using Analysis of Variance. To find the difference between treatments, the data were tested with Honestly Significant Difference Test . The results showed that various of tannin materials gave significant effects to the values of tensile strength, tear strength and thickness however there was not any significant effect on bent resistance, moisture content and pH value. The best product were Stingray tanned leather with chrome-combination tannin material, which partially quality requirements has been comply with Stingray tanned leather quality requirements according to SNI. Keywords: Quality, stingray skin, tanning


2018 ◽  
Vol 68 ◽  
pp. 01021
Author(s):  
Riswandi ◽  
Basuni Hamzah ◽  
Agus Wijaya ◽  
Arfan Abrar ◽  
S Agus ◽  
...  

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.


2019 ◽  
Vol 2 (2) ◽  
pp. 218
Author(s):  
Rini Safitri ◽  
Kobajashi Togo Isamu ◽  
Nur Illiyin Akib

ABSTRACT          The Aim of this study was to determine the quality of gelatin from the yellowfin tuna bone of different acid types and to know the effect of the use of acid as an extraction material to the quality of the yellowfin tuna gelatin. This study uses a variety of different acid concentrations, namely the solution of hydrochloric acid 4% (A1), acetate 4% acid (A2) and 4% sulphuric acid (A3). The study made use of the complete random draft (RAL) consisting of 3 treatments and 3 times repeated. Data on the observation result is analyzed using ANOVA (Analysis of Variance) at 95%, if there is a real difference (P > 0.05) then the test is carried out with a test of DMRT (Duncan Multiple Range Test) in the real standard 95%. Analysis of sensory testing, proximate composition, pH value tests, and lowliness. The highest consecutive sensory values (aroma and color) are found in the treatment of (A1) and (A3) with a value of 6.2 and 6.1. The highest consecutive proximate composition values (moisture content, ash content, and protein levels) are noted in the (A2) and (A1) treatments with values of 12.51, 6.60 and 50.64. Highest pH value on the treatment of (A1) and (A2) with value 5. The highest yield values in the (A3) treatment with a value of 3%. From statistics of real difference test (DMRT) indicates that there is no noticeable difference in the gelatin color and aroma of the yellowfin Tuna fish bones by using altered acid types. Keywords: Gelatin, Lowliness, Proximate, PH value, sensory test, Tuna bone, and ABSTRAKPenelitian ini bertujuan untuk mengetahui kualitas gelatin dari tulang ikan tuna sirip kuning dari jenis asam yang berbeda dan untuk mengetahui pengaruh penggunaan asam sebagai bahan pengekstraksi terhadap kualitas gelatin ikan tuna sirip kuning. Penelitian ini menggunakan variasi konsetrasi asam yang berbeda yaitu larutan asam klorida 4% (A1), asam asetat4% (A2) dan asam sulfat 4%  (A3). Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) yang terdiri dari 3 perlakuan dan 3 kali ulangan. Data hasil pengamatan dianalisa menggunakan ANOVA (Analysis of Variance) pada taraf  95%, apabila terdapat beda nyata (P>0,05) maka dilakukan uji lanjut dengan uji DMRT (Duncan Multiple Range Test) pada taraf nyata 95%. Analisis uji sensori, komposisi proksimat, uji nilai pH dan rendemen. Nilai sensori tertinggi berturut-turut (aroma dan warna) terdapat pada perlakuan (A1) dan (A3) dengan nilai 6.2 dan 6.1. Nilai komposisi proksimat berturut-turut tertinggi (kadar air, kadar abu, dan kadar protein) terdapat pada perlakuan (A2) dan (A1) dengan nilai 12.51, 6.60 dan 50.64. Nilai pH tertinggi pada perlakuan (A1) dan (A2) dengan nilai 5. Nilai rendemen tertinggi pada perlakuan (A3) dengan nilai 3%. Dari statistik   uji beda nyata (DMRT) menunjukkan bahwa tidak terdapat perbedaan nyata pada warna dan aroma gelatin dari tulang ikan Tuna sirip kuning dengan menggunakan jenis asam yang berbeda.Kata kunci: Gelatin, Nilai pH,Proksimat, Rendemen, Tulang Ikan Tuna, dan Uji Sensori


Author(s):  
Gina Utami Dewi ◽  
Ratna Ibrahim ◽  
Ima Wijayanti

ABSTRAK Penyamakan kulit ikan Pari umumnya menggunakan minyak sintetis pada proses peminyakan. Kulit ikan Pari tersamak yang kaku membatasi pembentukan model aksesoris, sehingga perlu adanya alternative penggunaan minyak non sintetis, salah satunya minyak ikan tersulfit. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan minyak ikan tersulfit terhadap nilai kelemasan dan kualitas kulit ikan Pari Mondol tersamak. Penelitian dilakukan dengan metode eksperimental laboratoris. Percobaan dirancang dengan Rancangan Acak Lengkap (RAL) dengan perlakuan konsentrasi minyak ikan tersulfit yang berbeda, yaitu 14%, 16%, 18%, dan kontrol (15% minyak sintetis). Variabel kualitas produk yang diamati adalah kelemasan, kekuatan tarik, kemuluran, kekuatan sobek, ketebalan, ketahanan bengkuk, kadar air, kadar lemak, dan pH. Hasil penelitian menunjukkan bahwa penggunaan minyak ikan tersulfit pada proses peminyakan kulit ikan Pari Mondol tersamak berpengaruh nyata terhadap nilai kelemasan, kemuluran, kekuatan sobek, dan kadar lemak. Kualitas produkkulit ikan pari tersamak  terbaik yaitu produk yang menggunakan minyak ikan tersulfit dengan konsentrasi 16%. Produk tersebut menghasilkan nilai kelemasan yang memenuhi persyaratan ISO dan kualitasnya memenuhi persyaratan mutu Kulit Ikan Pari Tersamak menurut SNI. Kata kunci: Kulit Ikan Pari Mondol Tersamak, Minyak Ikan Tersulfit, Nilai Kelemasan, Kualitas  ABSTRACT Tannery of Stingray usually uses synthetic oil in fatliquoring process. Tanned Stingray leather is rigid, as of limiting the modeling accessories formation. so the need for alternative use of non-synthetic oil, sulfited  fish oil one. This study aims to determine the effect of sulfited fish oil against softness value and quality of fish Pari Mondol tanned skin. The study was conducted with laboratory experimental method. The experiments are designed with completely randomized design (CRD) by treatment with  sulfitted fish oil different concentration, namely 14%, 16%, 18%, and controls (15% synthetic oil). The variable quality of the products observed were softness, tensile strength, elongation, tear strength, thickness, crooked durability, moisture content, fat content, and pH. The results showed that the use of sulfited  fish oil in the process of tanned stingray leather significantly affect the value of softness, elongation, tear strength, and fat content. The best quality of tanned  stingray tanned leather was tanned stingray leather with sulfited fish oil 16%. The product produced softness value that fulfill the requirements of ISO and the quality requirements tanned stingray  leather by SNI.. Keywords: Tanned Stingray Leather, Sulfited Fish Oil, Softness, Quality


2019 ◽  
Vol 2 (2) ◽  
pp. 234
Author(s):  
Arifi Jaldin ◽  
Haslianti Haslianti ◽  
Nur Asyik

The Effect of Comparison of Glucose and Sucrose Concentration on the Sensory and Chemical Quality of Jelly Candy (Eucheuma cottonii) ABSTRACT          The aims of this study were to determine the effect of different concentrations of glucose and sucrose on the sensory and chemical quality of seaweed jelly candy (Eucehuma cottonii). The study used a Completely Randomized Design (CRD) consisting of 4 treatments, namely : P1 (glucose : sucrose  = 45% : 0%), P2 (glucose : sucrose = 0% : 45%, P3 (glucose : sucrose = 30% : 15%), P4 (glucose : sucrose = 15% : 30%) with time three replications. Data from observations were analyzed using ANOVA (Analysis of Variance) at a level of 95%, if there is a real difference (P> 0.05) then a further test was performed with a DMRT (Duncan Multiple Range Test) tests at a 95% significance level. The results obtained show a real effect on sensory values which include color, texture, and taste but no significant effect on the scent. The best results for sensory assessment were found in the P4 treatment which has a taste value of 4.5, texture of 4.2, the scent of 4.0, and a taste of 4.2. The results showed the water content between 22.83%-17.01%, ash content of 0.11%-0.18%. and protein content of 3.75%-5.77%. Keywords: chemistry, glucose, jelly candy, seaweed (Eucheuma cottonii), sensory, and sucroseABSTRAKTujuan penelitian ini adalah untuk mengetahui pengaruh perbedaan kosentrasi glukosa dan sukrosa terhadap kualitas sensori dan  kimia permen jelly rumput laut (E. cottonii). Penelitian menggunakan Rancangan Acak Lengkap (RAL) yang terdiri dari 4 perlakuan yaitu : P1 (glukosa : sukrosa = 45% : 0%), P2 (glukosa : sukrosa = 0% : 45 %), P3 (glukosa : sukrosa = 30%  : 15%), P4 (glukosa : sukrosa = 15% : 30%) dan ulangan sebanyak tiga kali. Data hasil pengamatan dianalisa menggunakan ANOVA (Analysis of Variance) pada taraf  95%, apabila terdapat beda nyata (P>0,05) maka dilakukan uji lanjut dengan uji DMRT (Duncan Multiple Range Test) pada taraf nyata 95%. Hasil penelitian yang diperoleh menunjukkan pengaruh nyata terhadap nilai sensori yang meliputi warna, tekstur, dan rasa namun diperoleh pengaruh tidak nyata pada aroma. Hasil terbaik untuk penilaian sensori terdapat pada perlakuan P4 yaitu memiliki nilai rasa 4,5, tekstur 4,2, aroma 4,0, dan rasa 4,2. Hasil penelitian menunjukkan kadar air antara 22,83%-17,01%, kadar abu 0,11%-0,18%. dan kadar protein 3,75%-5,77%..Kata kunci: glukosa, kimia, permen jelly, rumput laut (Eucheuma cottonii), sensori, sukrosa


Author(s):  
Nur Illha Wahyu Kinasih ◽  
Nurseha Nurseha ◽  
Nurlianti Pertiwi

This experiment aims to determine the response of red chili (Capsicum annum L.) plants to the composition and dosage of bokashi oil palm and remunggai (Moringa oleifera). This research was conducted from January to April 2021, in Kayu Arang Village, Sukaraja District, Seluma Regency. The design used was a Factorial Completely Randomized Desing (CRD). The first factor is the composition (A) namely: A1: remunggai + palm frond (1:1), A2: remunggai + palm frond (1:3), A3: remunggai + paln frond (1:5) and the second factor is bokashi dose (B) namely: B0 : 1 ton/ha bokashi + NPK recommendation, B1 : 10 ton/ha bokashi, B2 : 20 ton/ha bokashi, B3 : 30 ton/ha bokashi, B4 : 40 ton/ha bokashi. The treatment was repeated 3 times to produce 45 experimental units. The result of the analysis of variance was continued with Duncan’s Multiple Range Test (DMRT) with a test level of 5%. The results showed that giving bokashi composition had on significant effect on all observed variables. Meanwhile, in giving bokashi dose, there were observational variables that had a significant effect, namely plant height, number of productive branches, the total number of fruit per plant, fruit weight per plant, the weight of dry stover stove, and the parameters of variables that had no significant effect were flowering age and age harvest.


ZOOTEC ◽  
2015 ◽  
Vol 35 (2) ◽  
pp. 105
Author(s):  
Erlita N. Jengel ◽  
E. H.B. Sondakh ◽  
F. S. Ratulangi ◽  
C. K.M. Palar

THE EFFECT OF MARINATING TIME USING CUKA SAGUER ON PHYSICAL QUALITY INCREASING OF ENTOK MEAT (Chairina Moschata). This study aims to determine of physical quality of entok meat after marinating with cuka saguer. Cuka saguer using to soak meat in this research was obtained from fermentated yield of fluid from enau tree. The marinated meat in this research was entok meat. This experiment was arranged in a completely randomized design consisted of five treatments as followed R0 entok meat was without marinated , R1 entok meat was marinated for 20 minutes, R2 entok meat was marinated for 40 minutes, R3 entok meat was marinated for 60 minutes, R4 entok meat was marinated for 80 minutes and each treatment was conducted four times replication. If occur significant in analysis of variance so the average comparing was followed by DMRT test. The result showed The marinated entok meat using cuka saguer was significantly on pH and water holding capacity (WHC), while texture of meat no significant. In conclusion, the soaking time for 20 minutes with cuka saguer can be used to soak entok meat because able to maintain texture of meat and to increase WHC at the condition of pH normal.   Keywords: entok meat, cuka saguer, physical quality of meat


Sign in / Sign up

Export Citation Format

Share Document