scholarly journals Contamination of Bacillus cereus in Elementary School Snack Food

2019 ◽  
Vol 1 (2) ◽  
pp. 56-61
Author(s):  
Ayu Fahani ◽  
Ratih Dewi Dwiyanti ◽  
Ahmad Muhlisin

Many food snacks have the advantage but still have health risks as evidenced by the many cases of food poisoning, one of the causes of food poisoning is Bacillus cereus. This study aims to determine the amount and percentage of Bacillus cereus pollution on snacks sold in elementary schools. This research is expected to provide information to the public about the presence or absence of bacteria Bacillus cereus contamination. This research uses purposive sampling technique. The sample used in this study was hawker food sold in Elementary School as many as 20 samples consisting of 10 samples that have not fried and ten samples that have cooked. The results of the questionnaire study showed 83% of sellers did not put snacks in closed containers and found Bacillus cereus in meals. Conclusion 9 (45%) of food samples contaminated with Bacillus cereus bacteria

2020 ◽  
Vol 4 (1) ◽  
Author(s):  
Hadriana Hadriana

This descriptive research is intended to make a mapping of the availability and utilization of information systems and leadership of school principals in Public Elementary School in Pekanbaru - Riau. The formulation of problems to be answered are: (1) How is the availability and utilization of information systems in public elementary schools in Pekanbaru - Riau? and (2) How is the leadership of the school principals in the public elementary school in Pekanbaru - Riau? There are 12 districts in Pekanbaru - Riau and each district has a different number of public elementary schools. Through a proportional random sampling technique, 66 school principals were selected as samples. The instrument used was a questionnaire addressed to the principals. The principals are asked to give their response to the questionnaire given and they are free to choose one or more answers for each item according to their situation and condition. The data obtained were then analyzed using descriptive statistical analysis. The results of the data analysis showed that: (1) the information system available at school was rated positively by the principals, whether in terms of availability, management, or perceived benefits; and (2) in carrying out their leadership, their roles and functions as supervisors, managers and educators occupy the highest position.


2018 ◽  
Vol 7 (2) ◽  
pp. 131-136
Author(s):  
Nasir Ahmad

Background: On May 4th, 2016, at 12:30 district surveillance officer of Magelang Health Department received reports from Public Health Center of Bandongan about 21 students of SDN 1 Trasan who suffered from the same food-poisoning symptoms. Objective: Investigation was carried out to identify the source, how it spread and how to control it. Methods: This study used descriptive analytic and mapping the cases distribution location. The case was people experiencing symptoms of dizziness or abdominal pain or nausea or vomiting. Data analysis was done by using bivariate analysis. Data collection were done through interviews, observations and laboratory tests on the food samples. Results: The case was 50 students (from 1-6 grade students). The perceived symptoms were dizziness (77%), nausea (42%), abdominal pain (40%) and vomiting (8%). Attack rate found ranged from 14.3% to 60% with the highest Attack rate found on class three (60%). The incubation period of 15-240 minutes (mean 72.3 minutes). Calamari like positive Bacillus cereus and Rhodamine-B 10 mg/kg. Conclusion: The outbreak of food poisoning because calamari like contaminated Bacillus cereus. We suggested the school committee to provide the socialization of harmful food for the students. The teachers should restrict the permission for the food vendor to sell at school.   Keywords: Bacillus cereus, , Food Poisoning, Outbreak, Rhodamine B, School Food


2014 ◽  
Vol 3 (3) ◽  
Author(s):  
Ahmad Suriansyah

Abstrak: Penelitian ini bertujuan untuk mendeskripsikan hubungan: budaya sekolah dengan kinerja guru; komunikasi dengan kinerja guru; budaya sekolah dengan komitmen; komunikasi dengan komitmen, komitmen dengan kinerja guru; budaya sekolah dengan kinerja melalui komitmen; komunikasi dengan kinerja guru melalui komitmen. Sampel penelitian sebanyak 250 orang guru di 100 Sekolah yang dipilih secara stratified proporsional random sampling dari populasi sebesar 2.276 orang guru yang tersebar di 274 SD Negeri di Kota Banjarmasin. Pengumpulan data dilakukan dengan menggunakan instrumen yang telah diuji validitas dan reliabilitasnya. Data penelitian dianalisis secara deskriftip dan analisi jalur. Hasil penelitian menemukan bahwa budaya sekolah memiliki hubungan dengan kinerja, komunikasi memiliki hubungan dengan kinerja, budaya sekolah memiliki hubungan dengan komitmen, komunikasi memiliki hubungan dengan komitmen, komitmen memiliki hubungan dengan kinerja guru, komitmen merupakan perantara hubugan budaya sekolah dengan kinerja guru dan hubungan komunikasi dengan kinerja guru. Kata Kunci: budaya sekolah, komunikasi, komitmen, kinerja THE RELATIONSHIP BETWEEN SCHOOL CULTURE, COMMUNICATION, AND COMMITMENT AND THE STATE ELEMENTARY SCHOOL TEACHERS’ PERFORMANCE Abstract: This study was aimed to describe the relationship between: school culture and tea- chers’ performance; communication and teachers’ commitment; school culture and commitment; communication and commitment; commitment and teachers’ performance; school culture and performance through commitment; communication and teachers’ performance through commitment. The sample consisting of 250 teachers from 100 schools was selected using the stratified proportional random sampling technique from a population of 2,276 teachers teaching in 274 state elementary schools in Banjarmasin Municipality. The data were collected using an instrument which had been validated and which was reliable. The data were analyzed using the descriptive analysis and the path analysis. The findings showed that there was relationship between: school culture and teachers’ performance, communication and performance, school culture and commitment, communication and commitment, commitment and teachers’ performance. Commitment became an intervening variable between school culture and teachers’ performance and between communication and teachers’ performance. Keywords: school culture, communication, commitment, performance


Author(s):  
Yhona Paratmanitya ◽  
Aprilia Veriani

<p><strong>ABSTRACT</strong></p><p><em><strong>Background</strong>: The National Agency of Drug and Food Control (BPOM) showed that in 2012, consuming of food is the highest caused of poisoning incidence (66.7%) among others (drug, cosmetics, etc). One of factors influence it was chemical contamination in food, such as borax (sodium tetraborate), formaldehyde, and rhodamine-B. Based on this data, there were 2.93% of borax, 1.34% of formaldehyde, and 1.02% of rhodamine-B detected in the snack foods of elementary school children. Their accumulation may have negative impact on body health.</em></p><p><em><strong>Objectives</strong>: To know the content of food additive substances contamination (borax, formaldehyde, rhodamin-B) in the snack food of elementary school children in Bantul. </em></p><p><em><strong>Methods</strong>: This was an observational research with survey design. The research was done in 68 of elementary schools in District of Bantul. All suspected snack food samples inside and outside the school were analyzed for their chemical contaminations. Qualitative analysis of borax, formaldehyde, and rhodamin-B were done by using curcumin, KMnO4, and test kit methods, respectively. </em></p><p><em><strong>Results</strong>: There were 107 samples collected from 68 elementary schools in Bantul. The most sold sample suspecting of chemical contamination was meatball (22.4%). Among 98 analyzed samples, there were 15 (15.3%) and 25 (25.5%) samples that were proven to have borax and formaldehyde. Meanwhile, there were 7 (46.7%) samples of 15 samples were proven to have rhodamine-B. From the data, there were 34 elementary schools (50%) that have no harmful chemical contamination in their snack food.</em></p><p><em><strong>Conclusions</strong>: The percentage of snack food containing borax, formaldehyde, and rhodamine-B in elementary school in Bantul was still high enough.</em></p><p><strong>KEYWORDS</strong>:<em> snack food, borax, formaldehyde, rhodamine-B</em></p><p><br /><em><strong>ABSTRAK</strong></em></p><p><em><strong>Latar belakang</strong>: Data Badan Pengawas Obat dan Makanan (BPOM) menunjukkan bahwa sepanjang tahun 2012, insiden keracunan akibat mengkonsumsi makanan menduduki posisi paling tinggi, yaitu 66,7%, dibandingkan dengan keracunan akibat penyebab lain, misalnya obat, kosmetika, dan lain-lain. Salah satu penyebab keracunan makanan adalah adanya cemaran kimia dalam makanan tersebut, seperti boraks, formalin dan rhodamin-B. Dalam data tersebut, diketahui 2,93% sampel makanan jajanan pada anak sekolah mengandung boraks, 1,34% mengandung formalin, dan 1,02% mengandung rhodamin-B. Akumulasi bahan-bahan tersebut di dalam tubuh dapat berdampak negatif bagi kesehatan.</em></p><p><em><strong>Tujuan</strong>: Mengetahui persentase makanan jajanan anak sekolah dasar (SD) yang tercemar bahan tambahan pangan berbahaya (boraks, formalin, rhodamin-B) di Kabupaten Bantul. </em></p><p><em><strong>Metode</strong>: Jenis penelitian ini adalah observasional dengan rancangan survei. Penelitian dilaksanakan dengan melibatkan 68 SD di Kabupaten Bantul sebagai sampel. Seluruh makanan jajanan yang dijajakan baik di luar maupun di kantin sekolah dan diduga mengandung bahan kimia berbahaya diuji kandungan cemaran kimianya yaitu kandungan boraks, formalin dan rhodamin-B. Pengujian kualitatif kandungan boraks menggunakan kurkumin, formalin menggunakan KMnO4, dan rhodamin-B menggunakan test kit Rhodamin-B. </em></p><p><em><strong>Hasil</strong>: Terdapat 107 sampel makanan dari 68 SD yang diuji. Jenis makanan jajanan yang diduga mengandung bahan kimia berbahaya yang paling banyak dijajakan di SD adalah jenis bakso (bakso, bakso tusuk, bakso goreng) yaitu sejumlah 22,4% dari seluruh sampel jajanan. Di antara 98 sampel yang diuji kandungan boraks dan formalinnya, 15 sampel (15,3%) positif mengandung boraks dan 25 sampel (25,5%) positif mengandung formalin. Di antara 15 sampel yang diuji kandungan rhodamin-B-nya,</em><br /><em>7 sampel (46,7%) positif mengandung rhodamin-B. Terdapat 34 SD (50%) yang tidak terdapat jajanan yang tercemar bahan kimia berbahaya. </em></p><p><em><strong>Kesimpulan</strong>: Persentase makanan jajanan anak SD yang mengandung boraks, formalin dan rhodamin-B masih cukup tinggi.</em></p><p><strong>KATA KUNCI</strong><em>: makanan jajanan, boraks, formalin, rhodamin-B</em></p>


2015 ◽  
Vol 15 (2) ◽  
pp. 114-124
Author(s):  
Triyono

This study aims to determine the results of peer and student assessment of the performance of physical education teachers (Penjas) Elementary School in Purworejo, Banyuurip and Kutoarjo associated with pedagogical, professional, personal and social. This article only discusses the pedagogical competence of the physical education teacher. The study design was a survey with data collection by distributing questionnaires to colleagues and students. The population is the entire physical education teacher at the elementary school in the area Purworejo, Banyuurip and Kutoarjo with a sample of 200 teachers were taken by random sampling technique. Questionnaires were returned as many as 164 copies. The collected data were then analyzed by using percentages to facilitate exposure and describe in narrative. The results showed that most of the peers judge that pedagogical competence of teachers in elementary schools in Region Penjas Purworejo, Banyuurip and Kutoarjo is good (88%) or very good (29.2%). While students assess their pedagogical competence Penjas teachers with excellent 33.9%, 16.8% good and 14.8% is good enough. Penelitian ini bertujuan untuk mengetahui hasil penilaian teman sejawat dan siswa terhadap kinerja guru pendidikan jasmani (Penjas) SD Negeri di Kabupaten Purworejo, Banyuurip dan Kutoarjo terkait dengan kompetensi pedagogik, profesional, kepribadian dan sosial. Artikel ini hanya membahas kompetensi pedagogik dari guru penjas. Desain penelitian adalah survey dengan teknik pengumpulan data melalui penyebaran kuesioner kepada teman sejawat dan siswa. Populasi adalah seluruh guru penjas di SD di Wilayah Purworejo, Banyuurip dan Kutoarjo dengan sampel sebanyak 200 guru yang diambil dengan teknik random sampling. Kuesioner yang kembali sebanyak 164 eksemplar. Data yang terkumpul kemudian dianalisis dengan menggunakan teknik persentase untuk memudahkan pemaparan dan mendeskripsikannya secara naratif. Hasil penelitian menunjukkan bahwa hampir sebagian besar teman sejawat menilai bahwa kompetensi pedagogik guru Penjas di SD di Wilayah Purworejo, Banyuurip dan Kutoarjo sudah baik (88%) atau sangat baik (29,2%). Siswa menilai kompetensi pedagogik guru Penjas mereka dengan sangat baik 33,9%, baik 16,8% dan cukup baik 14,8 %.


2020 ◽  
Vol 4 (2) ◽  
pp. 68-72
Author(s):  
Marwan Msarah ◽  
Ahmed Alsier ◽  
Sahilah, A.M.

Bacillus cereus is a ubiquitous foodborne pathogen, can cause food poisoning, leading to infections, have two major types of food poisoning emetic and diarrheal. Foods rich in protein such as meat are associated with foodborne outbreaks of diarrhea caused by B. cereus. The aim of this study is to isolate and identify B. cereus from ready to eat (RTE) meat curry from restaurants in Malaysia and to detect hblD pathogenic gene of B. cereus isolates. Mannitol egg yolk polymyxin agar was used as a selective isolation medium. Commercially available kits and boiling methods were used for DNA extraction, samples acquired from restaurants were examined for the presence of Hemolysin BL gene by polymerase chain reaction (PCR). Among all isolates, twenty-four of B. cereus isolates detected for HBL enterotoxin production by the discontinuous pattern on HBL sheep blood agar then confirmed by biochemical tests. More than 58.33 % of the isolate showed discontinuous hemolysis pattern on HBl blood agar and 29.16% of the samples were shown positive for hblD gene that can cause diarrhea with the size of 807bp on gel. This study demonstrated that RTE meat curry was a potential source for entero-toxigenic B. cereus and the presence of the hblD toxin genes for the HBL complex in the isolates tested were highly associated. Therefore, these meat curry isolates should be regarded as potential toxin producers.


2015 ◽  
Vol 25 (1) ◽  
Author(s):  
Nanik Wahyu Indriasih

The main objectives of this study are 1) to analyze the contribution of teacher’s perception of headmaster’s leadership, job ethics, and learning facilities altogether on state elementary school teacher’s performance in Sub-District of Slawi, 2) to analyze the contribution of teacher’s perception of headmaster’s leadership on state elementary school teacher’s performance in Sub- District of Slawi, 3) to analyze the contribution of job ethics on state elementary school teacher’s performance in Sub-District of Slawi, 4) to analyze the contribution of learning facilities on state elementary school teacher’s in Sub-District of Slawi, and 5) to analyze the variable which dominantly contributes on state elementary school teacher’s performance in Sub-District of Slawi. A quantitative approach is used in this study. The location of the study is in all state elementary schools of Slawi Sub-District, Tegal Regency. Population number of this study are 190 teachers of state elementary schools in Sub-District of Slawi. The sample of this study are 127 teachers selected with a sampling technique based on Isaac and Michaels’s empiric formula. Data are collected by doing a documentation of library research and using questionnaires. Data are analyzed using regression analysis. Based on data analysis results and previous discussion, it could be concluded that 1) teacher’s perception of headmaster’s leadership, job ethics, and learning facilities simultaneously affect positively and significantly on state elementary school teacher’s performance in Sub-District of Slawi 74.5%. This is shown by acquirement of rest result F with a = 5%. 2) Teacher’s perception of headmaster’s leadership partially contributes positively on teacher’s performance of state elementary schools in Sub-District of Slawi 8.78%. This is shown by acquirement of rest result t with a = 5%. 3) Job ethics partially contributes positively on teacher’s performance in Sub-District of Slawi 59.54%. This is shown by acquirement of rest result t with a = 5%. 4) Learning facilities partially contributes positively on teacher’s performance of state elementary schools in Sub-District of Slawi with 6.20%. This is shown by acquirement of rest result t with a= 5%. 5) Result of assumption test classical indicates that regression model do not experience of classic assumption problem or diffraction so that can be expressed by BLUE (Best, Linear, Unbiased, and Estimator).


2016 ◽  
Vol 79 (2) ◽  
pp. 230-238 ◽  
Author(s):  
ELISABETH G. BIESTA-PETERS ◽  
SERGE DISSEL ◽  
MARTINE W. REIJ ◽  
MARCEL H. ZWIETERING ◽  
PAUL H. in 't VELD

ABSTRACT The emetic toxin cereulide, which can be produced by Bacillus cereus, can be the cause of food poisoning upon ingestion by the consumer. The toxin causes vomiting and is mainly produced in farinaceous food products. This article includes the prevalence of B. cereus and of cereulide in food products in The Netherlands, a characterization of B. cereus isolates obtained, cereulide production conditions, and a comparison of consumer exposure estimates with those of a previous exposure assessment. Food samples (n = 1,489) were tested for the presence of B. cereus; 5.4% of the samples contained detectable levels (&gt;102 CFU/g), and 0.7% contained levels above 105 CFU/g. Samples (n = 3,008) also were tested for the presence of cereulide. Two samples (0.067%) contained detectable levels of cereulide at 3.2 and 5.4 μg/kg of food product. Of the 481 tested isolates, 81 produced cereulide and/or contained the ces gene. None of the starch-positive and hbl-containing isolates possessed the ces gene, whereas all strains contained the nhe genes. Culture of emetic B. cereus under nonoptimal conditions revealed a delay in onset of cereulide production compared with culture under optimal conditions, and cereulide was produced in all cases when B. cereus cells had been in the stationary phase for some time. The prevalence of cereulide-contaminated food approached the prevalence of contaminated products estimated in an exposure assessment. The main food safety focus associated with this pathogen should be to prevent germination and growth of any B. cereus present in food products and thus prevent cereulide production in foods.


JURNAL IQRA ◽  
2020 ◽  
Vol 5 (1) ◽  
pp. 43-57
Author(s):  
Fredy Fredy ◽  
Lili Halimah ◽  
Yayuk Hidayah

Each regions has a local culture that is the identity of the area. The Malind (Anim Ha) tribe as the original tribe of Merauke has a musical instrument that has a copyright kandara. Kandara was used as a musical accompaniment of dances and songs at traditional ceremonies. Kandara can be used as a learning media for the concept of geometry in elementary schools. This article aimed to describe the instrument of the musical instrument as an ethnomatematics of the Malind-Papua tribe that can be used as a learning medium for geometrical concepts in elementary schools. It was qualitative research using the ethnographic approach. Sampling using a cluster random sampling technique. The results showed that, the first ethnomatematics were found in parts of the kandara such as the handle or hands of the kandara, head, bodyor middle part and the tail of the kandara. Secondly, the musical instrument of kandara can be used as a learning medium to explain the concepts of geometry in elementary school in the form of the concept of angles, flat shapes (triangles, rectangles and circles) and building spaces (incised cones and tubes). Thirdly, ethnomatematics can be a learning material in elementary schools based on local culture, not only can help students understand mathematical concepts well but also maintain and respect the cultures of local communities (Malind tribe as an indigenous of Merauke). Keywords:  Ethnomathematics, Kandara, Learning Media, Geometry Concepts


Author(s):  
Tengku Hafinda

This research was motivated by the fact that local content curriculum development in schools, was not yet optimal. This research aimed to evaluate local content curriculum development of elementary schools in Meulaboh. The main problem of this research was how the evaluation results of the development of local curriculum in Meulaboh Elementary School. This research was evaluated study using quantitative models. Evaluation is done by collecting information in the form of data component of curriculum development to then analyzed average percentage aspect by using descriptive analysis. The instruments used were questionnaires, and document observation sheets. The population consisted of 6 schools pilotting Curriculum 2013 and respondents consisted of 6 headmasters, and 19 teschers were chosen using purposive sampling technique. The results of the research indicate that: the condition of curriculum development categorized good category (59%). The results showed that over all components of the evaluation in the evaluation of each aspect of good category.


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