Introduction: Tofu is one of food that is much liked by the public, because it has a relatively high nutritional content and has a low price, however, tofu is also a food that is often given formalin by unscrupulous producers with the aim of extending the shelf life and maintaining the quality of tofu so that it remains visible good. Objective: to determine the effectiveness of dragon fruit peel extract in detecting formaldehyde content in tofu. Method: This research is an experimental research. The sampling technique used is purposive sampling. The sample used is white tofu. There were 3 treatments with 3 repetitions consisting of P1 (5%), P2 (10%), and P3 (15%). Results: The results showed that P3 (15% anthocyanin extract of dragon fruit skin) was the most effective in detecting formaldehyde in white tofu. There were 7 positive samples containing formalin. Conclusion: Anthocyanin extract from dragon fruit peel with 15% concentartion was effective as a formaldehyde detector in food.
Profitability is an important factor related to financial decision making. The higher the profitability of the company, the greater the level of investor confidence in the company. This study aims to determine the effect of environmental performance, capital structure, and working capital turnover on profitability in mining sector companies on the Indonesia Stock Exchange with the 2016-2020 research period. The population is 47 companies with a sample of 16 companies determined using the purposive sampling method. The data analysis technique used multiple linear regression analysis. Data processing uses SPSS version 26. The test results show that environmental performance has no effect on profitability, while capital structure and working capital turnover have a positive effect on profitability. The coefficient of determination shows that the independent variable in explaining the dependent variable is only 13.5 percent, while 86.5 percent is influenced by other factors which is not examined in this study
Kajian ini bertujuan untuk mengetahui pengaruh kinerja lingkungan, laba akuntansi dan price earning ratio terhadap return saham pada perusahaan sektor manufaktur yang terdaftar di Bursa Efek Indonesia. Metode dalam penelitian ini menggunakan metode kuantitatif dan teknik pengumpulan data yaitu analisis dokumen. Populasi dalam penelitian ini merupakan perusahaan sektor manufaktur. Berdasarkan pada kriteria penelitian diperoleh sampel sebanyak 30 perusahaan. Teknik analisis data yang digunakan yaitu analisis statistik deskriptif, uji asumsi klasik, analisis regresi linear berganda, koefisien determinasi, uji F dan uji t. Hasil penelitian menunjukkan kinerja lingkungan dan laba akuntansi berpengaruh positif terhadap return saham. Di sisi lain, price earning ratio tidak berpengaruh terhadap return saham. Nilai koefisien determinasi sebesar 0,192 menunjukkan kemampuan kinerja lingkungan, laba akuntansi dan price earning ratio dalam menjelaskan perubahan return saham sebesar 19,2 persen, sedangkan sisanya 80,8 persen dijelaskan oleh faktor lain.
The purpose of this community service activity is to introduce lecturers and students to the importance of citations in scientific papers that can be poured into theses, theses, dissertations and even scientific articles. The activity method is applied by three methods, namely the lecture method, the practice method, and the evaluation method. The participants of the activity came from several lecturers and students in Pontianak totaling 12 participants with a time of 2.5 hours. The activity is carried out with an introduction to the citation of scientific papers and the importance of citations, especially in accounting research topics so that the citations taken are in accordance with the needs and lead to the field of accounting science itself. Then proceed with the process of explaining the understanding and use of mendeley. The results of this activity explained that all participants felt helped and could understand the process of using the mendeley application to improve the quality of accounting research. The weakness in this activity is that it takes more time for some participants who are slow to use the laptop or lack high mastery of the laptop. This activity is expected to have sustainability with an understanding of several models of writing forms needed according to needs.
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