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130362 articles
Journal: eFood
Research Article

Exploitation of Indigenous Wine Yeasts from Spontaneously Fermenting Grape must and Vineyard Soil in Beijing, China

Qianwen Zhang, Hui Li, Xiangyu Sun, Weidong Huang, Jicheng Zhan
The investigation of indigenous wine yeast can facilitate the production of distinctive Beijing wine by providing wineries with more choices in distinctive wine yeasts. Wine yeasts that were isolated from grape must during spontaneous fermentation and from vineyard soil were preliminarily classified...
Proceedings Article

Isolation and Characterization of Lactic Acid Bacteria (Lactobacillus sp.) From Sauerkraut

Resti Fevria, Indra Hartanto
Sauerkraut is fermented product based on cabbage with the addition of 2.5 percent salt. Sauerkraut can last a long time and has a pretty acidic taste, this is caused by lactic acid bacteria that form during fermentation. Fermentation is a part of biotechnology that uses microorganisms as the main actors...
Proceedings Article

Need Analysis Development of High Plant Taxonomic Practicum Guided in Guided Inquiry Approach for Students of STKIP PGRI West Sumatera

Rizaldi Putra Jamal, Ramadhan Sumarmin
Education intends to develop the potential of students into quality human resources, to achieve this goal the government has endeavored through the establishment of various regulations to ensure that every citizen gets a quality education. The application or implementation of the curriculum can be seen...
Proceedings Article

Effect of Cooperative Learning Model Type of Group Investigation and Entry Behavior on Students’ Biology Cognitive Competence in Senior High School (SMAN 5) Padang

Arini, Lufri, Ramadhan Sumarmin, Syamsurizal
Purposes of the research were to know the effect of cooperative learning model type of Group Investigation and entry behavior on students’ Biology cognitive competence and to investigate interaction between learning model and entry behavior towards students’ cognitive competence learning outcomes in...
Proceedings Article

The Effectiveness of Multiple Intelligences Based Work Books on Biological Learning Competencies of Students Class X Senior High School

Niken Permata Putri, Yuni Ahda
During the learning process, teachers have not used workbooks, books used in the learning process, namely books borrowed from the library and Student Worksheets (LKS). LKS used by the teacher has several weaknesses such as the images presented are unclear and have unattractive colors. In addition, the...
Proceedings Article

Psychological Response of Students to the Material and Process of Learning in Biology Instructional Methodology Course

Rahmadhani Fitri, Lufri Lufri, Relsas Yogica, Arief Muttqiim
Psychological responses from students to learning in each course are significant. This psychological response can be in the form of students’ perceptions, interests, and attitudes towards the material and learning process in a course. This study discusses how psychological responses include perceptions,...
Proceedings Article

Need Analysis of Module in Material of Virus and Bacteria Based on Problem Based Learning Model for Students of Senior High School 1 V Koto Kampung Dalam Grade X

Dita Wardani, Ramadhan Sumarmin
Biology topics must develop thoughts, skills, and understanding of students towards concept. In learning the implementation independent concept needed a teaching materials designed specifically that can be studied by learners independently. One way is to improve student ability to solve problems in accordance...
Proceedings Article

The Diversity of Ferns (Pteridophyta) at Pundong Japanese Cave, Bantul, Yogyakarta

Zuchrotus Salamah, Hadi Sasongko, Risdianti Novida
Yogyakarta Special Region is one of the regions with many historical relics and strong cultural exposure. These assets are widely used as a tourism attraction as well as education. One of the relics, widely known as Pundong Japanese Cave, is one of the mentioned historical tourism attractions in which...
Proceedings Article

Development of Problem-Based Mathematical Learning Device on Problem Based Learning (PBL) Models by Using GeoGebra Aids to Improve the Problem Solving Skill of the Students in VIII Class of Junior High School (Preliminary Research)

M Adriani, IM Arnawa
Students’ low ability in mathematical problem solving can still be found by the researcher in the field. This can be seen in the implementation of learning at school, students are not get used to solved the problem appropriately. Some problem solving indicators are not found during students solved the...
Proceedings Article

Identification and Prediction of Potential Drug-like Compounds From Ruku-Ruku Leaves (Ocimum tenuiflorum Linnen) in West Sumatera

Hesty Parbuntari, Sri Benti Etika, M. Mulia
Ruku-ruku leaves are one of the natural resources in West Sumatra. However, the use of ruku-ruku leaves nowadays has only been used to enrich the taste of cuisine such as fish curry dishes. The distinctive odor of the ruku-ruku leaves can eliminate the fishy odor in the fish. This distinctive odor comes...
Proceedings Article

An Identification of Students’ Responses Towards the Implementation of Biological Learning to Answer the Challenges of Educators in The Industrial Revolution 4.0 Era

Indah Dewi Sartika, Linda Advinda
Changes in the world are now entering the era of industrial revolution 4.0 (IR 4.0) where information technology has become the basis in human life. Based on the initial evaluation, Indonesia is estimated as a country with high potential in facing IR 4.0. Nevertheless, education 4.0 is a response to...
Proceedings Article

The Development of Guided Inquiry-Oriented Guides for Plant Morphology Biology Education Practicum Students of IPTS Padangsidimpuan

Rosniati, Lufri Lufri
The aims of this study was to describe of effective of plant morphology practicum guide book was oriented guided inquiry at the third semester of students of Biology Department of IPTS Padangsidimpuan. This type of research is the development of research. The development models used in this study is...
Proceedings Article

Microbiology Teaching Development in Nutrition Material, Growth and Metabolism of Microbial Based on Community Technology Science (STM) for Students of Biology of Padang State University

Nita Ella Demelia, Dwi Hilda Putri
Initial investigations obtained reference data used by students so far have been taken from microbiology books with a long publication year. Based on the results of the questionnaire, the students felt the benefits of studying microbiology in daily life, but the student references did not support because...
Proceedings Article

The Validity of Interactive Learning Multimedia on Protista and Fungi Materials for Senior High School

E Wulandari, Azwir Anhar
The difficulties faced by the students in studying protista and fungi materials based on the result of the interview were in understanding the life cycle, finding and observing the species objects. This type of research was a design and development by using the Plomp model. This study was aimed at finding...
Proceedings Article

Potential of Xylanase Thermophilic Bacteria in the Pulp Biobleaching Process

Irdawati, Nilam Devinda Putri, Syamsuardi, A. Agustien, Y. Rilda
Xylanase enzyme is an extracellular enzyme that has the ability to hydrolyze xylan to xylose. Xylanase can be produced by thermophilic bacteria and is a natural xylanase that is active and stable at high temperatures and alkaline pH, so it has the potential to be used in industrial and biotechnology...
Proceedings Article

Relationship Between Naturalis, Spatial-Visual, and Interpersonal Intelligences with Biology Learning Outcomes of Student Grade X Interest Linguistics at Senior High School (SMAN 1), V Koto Kampung Dalam

Ganda Hijrah Selaras, Rahmadhani Fitri, Rizki Rahman Putra, Rika Andima
This research is a descriptive study conducted in April in grade X language class interest in biology at SMAN 1 V Koto Kampung Dalam Padang Pariaman 2018/2019 academic year. The sampling technique is simple random sampling. The research instrument used MI Questionnaire specializing in three intelligences,...
Proceedings Article

Development of Learning Tools Based on Realistic Mathematics Education Aproaches to Improve the Mathematical Problem Solving Skills at X Grade in High School

M Arrahmah, E Musdi
The purpose of this research is to describe the effectiveness of learning devices based on RME approaches, improving students ‘ mathematical problem-solving skills through a developed RME-based learning tools, and student response to RME-based learning devices developed for high school class X learners....
Proceedings Article

Isolation of Endophytic Fungi from Stem of Andaleh (Morus macroura Miq.) That Produce Antimicrobial Compound

Dezi Handayani, Dwi Hilda Putri, Siska Alicia Farma, Noveli Annisa, Mila Oktaviani, Rahwani
Antibiotic resistance is a serious problem that needs to be dealt with immediately. One of solution can be issued is find and develop new potential antimicrobial derived from natural resources. Stem of Andaleh plant (Morus macroura Miq.) is potential candidate of natural resources which has antimicrobial...
Proceedings Article

Inventory and Characterization of Mosses Diversity (Bryophyta) in Sewu Temple Yogyakarta

Hadi Sasongko, Zuchrotus Salamah, Ulfatul Nurjanah
The Sewu Temple area, which is located in Prambanan Yogyakarta, is a tourism site that has unique environment conditions where stone temple piles are humid and an open area. These conditions make it possible for Bryophyte to grow surrounding the area. This research aims to identify the species of Bryophyte...
Proceedings Article

Analysis of Validation of High-Thinking Valuation Intruments on Reproductive System Materials for Class XI High School

Lina Yuliyanti, Yuni Ahda
Based on the analysis that has been done on daily test questions, it is found that the level of questions given to students is at the level of C1 to C3. Levels C1 to C3 are still at the LOST level, so it is not in accordance with the demands of the curriculum to analyze. Interviews were also conducted...
Proceedings Article

Preliminary Analysis for Development of Animal Ecology Practical Guide Based on Guided Inquiry

Rivaldi Putra Jamal, Yuni Ahda
Animal ecology is a part of biological science that involves interactions between animals and their environment. In the process of learning it requires correlation with observation activities in the practicum process. in the implementation of the Practicum, a practical guide is needed. The purpose of...
Proceedings Article

Teacher Understanding Towards Teachers’ Competency Standards in the Implementation of Science and Character Education of Junior High School Student in Pekanbaru

Iranita Agmanda, Ramadhan Sumarmin
The objective of education is essentially delivering learners to a change of conduct of both moral intellectual, and social to live independently. Successfull education have depend on the learning process. To achieve educational objectives necessary active role teachers who understand and implementing...
Proceedings Article

Developing Web Based Modules of Animal Development Course

Fitri Hanifah Afnas, Ramadhan Sumarmin
As many as 78% of students, the subject of animal development is one of the complicated subjects to understand and requires a more detailed explanation in their understanding. However, biology students on 2019 at Padang University there are who still do not have a handbook in learning animal development,...
Proceedings Article

Improve Student Learning Competencies Using the Problem Based Learning Model in Class VIII Junior High Scool (SMPN 15) Kerinci

Fitri Yuningsih, Linda Advinda
The purpose of this study was to determine of problems in biology learning at SMPN 15 Kerinci. The study was conducted in January 2019. This type of research is quasi experimental research. The population was students in grade of SMPN 15 Kerinci registered in academic year 2018/2019. For the sample because...
Proceedings Article

Analysis of Requirements for Entrepreneurship-Based Biotechnology Textbooks at Universitas Negeri Padang

M Yusuf, Yuni Ahda
The university has an important role in preparing the nation’s generation to take Indonesia’s demographic bonus in 2020-2035 in the industrial revolution 4.0. The effort needed to take the demographic bonus is to apply biotechnology lectures that are integrated with entrepreneurship education. The lecture...
Proceedings Article

Effect of Planting Media and Different Concentration of Wheat Grass Juice (Triticum aestivum L.) on Anemic Male Mice (Mus musculus L.) Leukocytes

Elsa Yuniarti, Afifatul Achyar, Syovia Amimi
Iron deficiency can cause anemia. Changes in iron status in anemia can affect the immune system, making infection easy. When the number of infections increases, efforts made to overcome anemia are one of them by consuming wheat grass containing iron. This study was an experiment with factorial complete...
Proceedings Article

An Analysis of Factors Causing Learning Difficulties of Biology Students in the Microbiology Subject, Universitas Negeri Padang

Lasmi Lestari, Dwi Hilda Putri
This research was motivated by the learning difficulties experienced by students in the Microbiology Subject that caused their learning competence to be relatively low. This research aims at describing the factors that caused learning difficulties experienced by UNP biology students in the Microbiology...
Proceedings Article

Adsorption of Rhodamine B from Aqueous Solution Using Langsat (Lansium domesticum) Shell Powder

Bahrizal, Fransiska Adella, Desy Kurniawati
The potensial of langsat (Lansium domesticum) shell powder to adsorb rhodamine B from aqueous solution has been investigated through bath experiments. The rhodamine B adsorption was found to be dependent on pH, initial rhodamine B concentration. The equilibrium data were described by Freundlich and Langmuir...
Proceedings Article

Coffea Sp. as Metabolism of Sugar Agent on Male Mice (Mus musculus) BABLC Albino

Armaita, D. Tohidin, Y. Afriatin
Caffeine was one of main substance which has contained on coffee. It was popular of drinks in this world. The influence of caffeine on blood sugar level has been became a topic by researchers especially about it would be increase or decrease it. The purposes of this research was to know how the influence...
Proceedings Article

Effect of Bitter Extract (Andrographis paniculata Nees.) to Epididymal Mice Sperm Quality

Ramadhan Sumarmin, Nadyatul Khaira Huda, Yusni Atifah
Bitter (Andrographis paniculata Nees.) used to prevention of various diseases, such as anticancer, anti- inflammatory, and antifertility. Ones of the bitter content is Andrographolide. It has antimitotic agent couse decreased of mitotic cells. The aimed of this research to determine the effects of Bitter...
Proceedings Article

Validity of Research Based Bioremediation Text Books

Suri Puspita, Yuni Ahda
This textbook was designed to facilitate readers in obtaining information regarding bioremediation research. Bioremediation is one of the environment-friendly solutions that utilize microorganisms to overcome increasing pollution. The integration of the results of bioremediation research in textbooks...
Proceedings Article

Histological Analysis of Gills and Liver of Tambra Fish (Tor tambra) From Batang Gadis River in Mandailing Natal North Sumatera

Yusni Atifah, Ramadhan Sumarmin, Laila Tussifah
Tor tambra is one of the 10 species of fish that found in Batang Gadis River. This fish species has abundance and also the highest dominance at four observation stations in Sungai Batang Gadis. The purpose of this study was to look at the histology of gill organs and liver of Tor tambra in the Batang...
Proceedings Article

Influence of Guided Inquiry Learning Model and Entry Behavior to the Students Competency in Class X Senior High School (SMA) Laboratory of UNP

Fauzia Mawaddah, Ramadhan Sumarmin
There are still many problems that arise in the learning process, starting from the lack of teacher attention to the entry behavior of students and the lack of selection of the learning model applied by the teacher, so that it tends to be monotonous. Based on these problems, it is necessary to have an...
Proceedings Article

Effect of Implementation of the Example Non-Example Method on VII Grade Students’ Natural Science Psychomotor Competence in the Living System Organization Subject

Lufri Lufri, Amrianto Amrianto, Azwir Anhar
Instruction in the 2013 Curriculum emphasizes more in students’ activeness in looking for information and knowledge. However, based on the questionnaire spread in one school which has been implemented the 2013 Curriculum, it is known that students tend to be passive in learning, especially in asking...
Proceedings Article

Validity LKPD Based HOTS on Human Digestive System for Junior High School Grade VIII

The curriculum 2013 requires students to have High Order Thinking Skills. Nowadays, however, The High Order Thinking Skills of students especially in Indonesia are still low. It is caused by many factors, such as the unavailability of HOTS-based worksheet at school. For instance, in SMPN 1 Padang, there...
Proceedings Article

Isolation and Activity of Amylase Enzyme in Isolates of Fungi From Black Rice Lemang (Oryza sativa Siarang)

Mades Fifendy, Periadnadi, Gustina Indriati, Syovia Osnita, Lara Annisa
Black rice Lemang (Oryza sativa Siarang) from Kenagarian Talang Babungo is one of the Minangkabau specialties. Lemang left moldy to get a different taste from ordinary lemang. This fungus occurs in chemical processes that are assisted by the amylase enzyme that functions to break down starch into simple...
Proceedings Article

Utilization of C-Cinnamal Calix[4] Resorcinarene as Adsorbent for Rhodamin B and Methanil Yellow

Sri Benti Etika, Edi Nasra, Abdul Hafids, T K Sari
The purpose of this study was to determine the optimum conditions i.e. pH and concentration of Rhodamin B and methanyl yellow using CCCR absorbent which is the result of synthesis by using the UV-VIS spectrophotometer. The method used was the adsorption method (Batch). Absorption of rhodamine B and methanyl...
Proceedings Article

New Distribution Record of Ants Species (Hymenoptera: Formicidae) to the Fauna of Sumatra Island, Indonesia

Rijal Satria, Henny Herwina
The Sumatra Island have a high diversity of ants and part of Sunda Shelf. The high diversity of ants in Sumatra Island was recorded in the previous studies. The present study was added more species to the list of Sumatran ants. Five species of ants were recorded from the Sumatra Island and consider as...
Proceedings Article

Improve Student Learning Activities Through Out Application of Active Learning Model Using Card Sort Method in Biology Subject

Helendra Helendra, Okti Chairani, Desniwati Desniwati
The purpose of this study was to determine the increase of student learning activities by applying an active learning model using card sort method in biology subjects. The type of this research is classroom action research conducted in two cycles. Each cycle consists of four stages, namely: plan, action,...
Proceedings Article

Fusion Strategy of Influenza A-H5N1 Virus M2e Epitope DNA Sequence to Hepatitis B Virus HBsAg-S Gene

Afifatul Achyar, Tati Kristianti, Sony Suhandono
In order to make a broad vaccine for influenza-A virus, a conserve epitope must be considered. M2 is a conserve transmembran protein in all strain of influenza-A virus. Therefore, in this experiment we used 69 bp synthetic nucleotides from extracellular domain of M2 from H5N1 as an epitope (M2e) for...
Proceedings Article

Efforts to Recycle the Tofu Waste Through Learning Project Based Entrepreneurship

Sa’diatul Fuadiyah, Ristiono Ristiono, Astuti Muh Amin, Romi Adiansyah, Adi Maladona, Dina Rahmawati
Our research to apply learning project based entrepreneurship to high school students. The research method is weak experiment. The sample used in this study were 1 class taken using cluster random sampling. The instrument used in this study was the assessment of student performance. The results of the...
Proceedings Article

The Effect Of Somatic, Auditory, Visual, Intelectual and Learning Style Towards Students Knowledge Competency in Junior High School (SMPN 1) Koto Baru Dharmasraya District

Aulia Victorina, Ramadhan Sumarmin
This research is based on students lack of motivation in learning teaching process, learning style, and learning mehod is not quite effective for implementation, teacher-centered learning teaching process, and also students achievement is still low. The purpose of this research is to identify the effect...
Proceedings Article

Zn Electrodeposition of Titanium Dioxide for the Application of Dye Sensitized Solar Cell (DSSC) with Extracts of Natural Dyes That Were Co-pigmented with Salicylic Acid

Hardeli Hardeli, Hary Sanjaya, A Nurul Fadhilah, Y Lasmi
Dye Sensitizer Solar Cell (DSSC) is a dye- based solar cell which is an alternative to meet energy needs, where these cells will convert sunlight energy into electrical energy. This study aims to produce DSSC using Indium Tin Oxide (ITO) glass as a substrate and extract of red grape skin (Vitis Vinifera),...
Proceedings Article

Optimization of Annealing Temperature of HIF-1 A and 18s rRNA in Blood of Swimming Athletes Using RT-PCR

Siska Alicia Farma, Dezi Handayani, Dwi Hilda Putri, Argantos, Syahrastani
Gene expression is the process of reading from DNA into a functional product. Regulation of gene expression through complex mechanisms. HIF1-1α is one of the regulatory genes that regulates the return of homeostasis when there is a lack of oxygen (hypoxia). Hypoxia is often experienced by athletes during...
Proceedings Article

The Development of Constructivism-Based Biology Learning Modules Equipped With Mind Maps on the Material of Excretion and Coordination System for the 11TH Grade Semester 2

R Anggraini, A Razak, D H Putri
Referring to the data in the preparation stage, students find it difficult to understand the concept of subject matter. The concept can be understood by constructing initial knowledge with newly acquired knowledge. The stages of constructing the concept are in the integrated constructivism approach in...
Proceedings Article

Optimization of Phenol Absorption Using Banana Peel (Musa balbisiana Colla) as Biosorbent

Edi Nasra, Retno Sari, Sri Benti Etika, Desy Kurniawati, Trisna Kumala Sari
Pollution of phenol compounds is a serious problem for the environment. Phenols are toxic and hazardous materials because they have high toxicity in water causing disturbance to aquatic ecosystems and human health. Biosorption is a simple and efficient method to solve the problems caused by phenol compounds....
Proceedings Article

Economic Valuation of Mangrove Forest in Muara Village, Indonesia

I P Sari, M P Patria
Mangrove forest is an essential part of the coast area in Muara Village, Teluknaga District, Tangerang City. Research of economic valuation in mangrove forest around Muara Village has been conducted. The aim of this research were to calculate and analyze the economic value of the advantage from mangrove...
Proceedings Article

An Analysis of Student’s Scientific Literacy Skills of Senior High School in Sungai Penuh City Based on Scientific Competence and Level of Science Literacy Questions

Nana Sutrisna, Azwir Anhar
21st century education aims to improve students’ scientific literacy skills. The results of PISA study show that the scientific literacy of Indonesian students is in low category. The low scientific literacy of students is caused by several factors in education system, both from the curriculum, teachers,...
Proceedings Article

The Development of Microbiology Textbook on the Microorganism Classification Subject for Biology Students of Universitas Negeri Padang Using Science Technology Society (STS) Approach

Putri Islamiah Suci, Dwi Hilda Putri
Initial investigations obtained reference data used by the students so far have been taken from a microbiology book with a long publication year. Based on the results of the questionnaire, the students felt the benefits of studying microbiology in daily life, but the students’ references did not support...
Proceedings Article

The Implementation of Scientific Approach in Learning Science Through Problem Solving

Heffi Alberida
Learning is a scientific process, therefore learning should be carried out in accordance with scientific methods, in the curriculum of 2013 known as a scientific approach. In learning, a scientific approach consists of five activities, namely: observing, asking questions, gathering information, associating...