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All Journal Journal of Biology Education Biosaintifika: Journal of Biology & Biology Education Jurnal Fisika dan Terapannya
Muhammad Irhas, Muhammad
Department of Biology, FMIPA, Semarang State University, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Physics

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Analysis of Proximate and Protein Profile of Kefir from Fermented Goat and Cow Milk Hidayat, Erwin; Kinayungan W, Irna; Irhas, Muhammad; Sidiq, Fathurrahman
Biosaintifika: Journal of Biology & Biology Education Vol 7, No 2 (2015): September 2015
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v7i2.3950

Abstract

This research aims to analyze the characteristics of proximate and protein profile in kefir from fermented goat milk and cow milk with different concentration of kefir grains. The research design was true experimental with Completely Randomized Design (CRD) of 3 repetitions. The research procedures consisted of kefir production, proximate analysis and protein profile characterization. Proximate assay result was analyzed by using LSD, whereas the protein profile was analyzed by descriptive qualitative method. Based on the analysis of kefir proximate levels, the kefir grain (5%) showed the highest proximate level of both kefirs from goat milk and cow milk. The analysis of protein profile of cow milk kefir showed 75 kDa of protein ribbon, while the goat milk kefir showed 48 kDa, 60 kDa and 75 kDa. Therefore it can be concluded that the proximate level of goat and cow milk kefir with different concentration of kefir grains showed significant differences in the nutrition content as well as its protein profiles.Tujuan dari penelitian ini adalah menganalisis karakteristik proksimat dan profil protein pada kefir hasil fermentasi susu kambing dan susu sapi dengan konsentrasi biji kefir yang berbeda-beda. Penelitian ini adalah eksperimen murni, dengan Rancangan Acak Lengkap (RAL) 3 kali ulangan. Prosedur penelitian meliputi pembuatan kefir, analisis proksimat dan profil protein. Data hasil proksimat dianalisi uji BNT, sedangkan profil protein dianalisis deskriptif kualitatif. Berdasarkan analisis kadar proksimat kefir, kefir grains 5% menunjukan kadar proksimat paling tinggi baik pada kefir susu kambing dan susu sapi. Sedangkan analisis profil protein kefir susu sapi menunjukan pita protein 75 kDa, pada kefir susu kambing yaitu 48 kDa, 60 kDa dan 75 kDa. Simpulan dari penelitian ini bahwa kadar proksimat kefir susu kambing dan susu sapi dengan konsentrasi kefir grains yang berbeda menunjukan perbedaan kandungan yang berbeda secara signifikan dengan konsentrasi kefir grains yang paling optimal yaitu 5%. Sedangkan profil protein kefir susu sapi ditemukan pita protein yaitu 75 kDa, dan kefir susu kambing yaitu 48 kDa, 60 kDa dan 75 kDa.
The Quantitative And Qualitative Analysis Of Students Learning Outcomes According To Student Admission Line Of Biology Education Program Fmipa Unnes Irhas, Muhammad; Sumadi, Sumadi; Ridlo, Saiful
Journal of Biology Education Vol 7 No 1 (2018): April 2018
Publisher : FMIPA UNNES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbe.v7i1.22086

Abstract

PP RI no. 66 of 2010 article 53B (1) and Permendiknas no. 34 of 2010 article 3 (1) state that a higher education unit which is organized by the government is required to recruit new undergraduate students through a national admission of at least 60% of the number of new students who are accepted for each Study Program. The objective of this study was to analyze the differences in student learning outcomes according to the admission line of Biology Education Program students of FMIPA UNNES. This study used sequential explanatory design combination method. The population of this study was the students of Biology Education Study Program of FMIPA UNNES class of 2013 to 2016. The quantitative samples were chosen using total sampling method and the qualitative samples were chosen using purposive sampling method. In this study, the students learning outcomes were in the form of GPA. The data of this study were collected using document study method, questionnaire, and interview. The data were then analyzed using descriptive technique percentage, two way anova, regression, and qualitative analysis of Miles & Huberman (Sugiyono, 2011). The results showed that the average of students GPA of SNMPTN was 3.32, the average of students’ GPA of SBMPTN was 3.29, and the average of students’ GPA of SM was 3.25. The sig value in the two way anova test to examine the difference of GPA according to the admission line is caused by the level of family, campus, society environment, and learning motivation were 0.834, 0.322, 0.810, and 0,246> 0.00 respectively which means there was no significant differences in GPA among students of the three admissions line. The result of R2 value on the regression analysis showed that the most contributing variable to the GPA were the campus environment (86.1%), the learning motivation (82.2%), the family environment (76.7%), and the least was the level of community environment (74.8%). It can be concluded that there is no significant difference of students learning outcomes according to student admission line in Biology Education Program of FMIPA UNNES caused by the level of family, campus, society, and students motivation.
The Quantitative And Qualitative Analysis Of Students Learning Outcomes According To Student Admission Line Of Biology Education Program Fmipa Unnes Irhas, Muhammad; Sumadi, Sumadi; Ridlo, Saiful
Journal of Biology Education Vol 7 No 1 (2018): April 2018
Publisher : FMIPA UNNES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbe.v7i1.22086

Abstract

PP RI no. 66 of 2010 article 53B (1) and Permendiknas no. 34 of 2010 article 3 (1) state that a higher education unit which is organized by the government is required to recruit new undergraduate students through a national admission of at least 60% of the number of new students who are accepted for each Study Program. The objective of this study was to analyze the differences in student learning outcomes according to the admission line of Biology Education Program students of FMIPA UNNES. This study used sequential explanatory design combination method. The population of this study was the students of Biology Education Study Program of FMIPA UNNES class of 2013 to 2016. The quantitative samples were chosen using total sampling method and the qualitative samples were chosen using purposive sampling method. In this study, the students learning outcomes were in the form of GPA. The data of this study were collected using document study method, questionnaire, and interview. The data were then analyzed using descriptive technique percentage, two way anova, regression, and qualitative analysis of Miles & Huberman (Sugiyono, 2011). The results showed that the average of students' GPA of SNMPTN was 3.32, the average of students’ GPA of SBMPTN was 3.29, and the average of students’ GPA of SM was 3.25. The sig value in the two way anova test to examine the difference of GPA according to the admission line is caused by the level of family, campus, society environment, and learning motivation were 0.834, 0.322, 0.810, and 0,246> 0.00 respectively which means there was no significant differences in GPA among students of the three admissions line. The result of R2 value on the regression analysis showed that the most contributing variable to the GPA were the campus environment (86.1%), the learning motivation (82.2%), the family environment (76.7%), and the least was the level of community environment (74.8%). It can be concluded that there is no significant difference of students learning outcomes according to student admission line in Biology Education Program of FMIPA UNNES caused by the level of family, campus, society, and student's motivation.
PENGGUNAAN KONTROL PID DENGAN BERBAGAI METODE UNTUK ANALISIS PENGATURAN KECEPATAN MOTOR DC Irhas, Muhammad; Iftitah, Iftitah; Azizah Ilham, Siti Asyiqah
JFT : Jurnal Fisika dan Terapannya Vol 7 No 1 (2020): Juni
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v7i1.13846

Abstract

DC motor is a motor tha is widely applied to industrial and household equipment because of the level of flexibility and fairly easy operation. But in terms of speedDC motrs have the disadvantage that the speed is not constant along with the addition of the load so to overcome this problem a controller is needed in order to obtain a constant speed in accordance with the desired set poit. PID control is a control that serves to minimize the error rate of a plant. This control consists of Controller parameters P, I, D where the value of this parameter determines the level of response of a control to the plant. So it is necessary to engineer the tuning parameters with various methods so that the value of a parameter is in accordance with the palnt. Based on the description above, the purpose of this study is to review various tuning methods in response to the response of a DC motor.  
Co-Authors Azizah Ilham, Siti Asyiqah Erwin Hidayat, Erwin Fathurrahman Sidiq, Fathurrahman Iftitah, Iftitah Irna Kinayungan W, Irna Saiful Ridlo SUMADI SUMADI