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Fish is one type of aquatic product widely used by the community because of its advantages as a food ingredient, including a source of important nutrients such as protein, vitamins, fat, and minerals. Fish is often found in cans. Canned packaging contains the heavy metals lead (Pb), cadmium (Cd), and zinc (Zn), which can be released into food due to the long storage period. This study aims to identify and analyze heavy metals Pb, Cd, and Zn levels in canned tuna with an expiration date of less than 1 year. Samples of canned tuna came from five different brands. Qualitative analysis used color reagents, while quantitative research used an atomic absorption spectrophotometer (AAS). The qualitative study results showed that three samples of tuna contained heavy metals. Samples B and C were positive for Pb metal, while samples A and B were positive for Zn metal. The concentration of Pb metal was measured in sample B at 117.9 mg/Kg and in sample C at -0.0147 mg/Kg. The concentration of Zn metal in sample A was -0.0048 mg/Kg, and in sample B, it was -0.147 mg/Kg.  

Packaged Drinking Water (PDW) has now become one of the most practical products dominating the market, offering a variety of advantages and benefits. The fierce competition among PDW producers drives consumers to be increasingly discerning and selective in making purchasing decisions. Consumer choices are often influenced by pressing needs, which have recently shifted toward a preference for more natural food and beverage products. However, amidst the fast-paced modern lifestyle, instant products remain a favored solution due to the convenience they offer. By leveraging store atmosphere strategies, this business has successfully stayed competitive and maintained its presence in the market. The relationship between store atmosphere and consumer purchase interest is significant, as first impressions often serve as a critical factor in consumer evaluations of a store. Elements such as exterior design, overall interior, store layout, and interior displays play a vital role in creating that appeal. This study aims to analyze the extent to which store atmosphere influences purchase interest in the Club brand bottled water. The research methodology involves distributing questionnaires to 100 respondents as the primary data source.

Indonesia is an archipelagic country that has abundant mineral wealth, both metal minerals and other minerals. Metal minerals, including gold, tend to have a higher economic value. Based on data from the Ministry of Energy and Mineral Resources, the world's gold reserves in 2020 were 50,300 tons of Au. Indonesia is among the 5 largest in the world with 5% of the total gold reserves, which is 2,600 tons of Au. Therefore, it is necessary to develop technology and science in the mining industry, especially gold and silver, to improve the optimization of the process and increase the added value of the mining products themselves. One of the gold extraction processes can be done hydrometallurgically with the cyanidation method using a intensive leach test. The results of this experiment show that factors such as cyanide usage and ultra fine particle size will greatly affect the recovery of gold and silver metals.

This research aims to identify the presence of metal elements in sandstone, laterite and clay minerals from Nafri Village, Abepura, Jayapura. The method used is X-Ray Fluorescence (XRF) at the Hydrology and Hydrogeochemistry Laboratory, ITB Bandung. Three field samples (ST-1, ST-2, ST-3) showed significant metal content. ST-1: contains, Fe(28.7%), Mn(0.0761%), Ti(0.692%), Ni(0.0297%), Cr(0.0907%), Na(trace), Mg(1.95%), Al(21.5 %), Cu(0.0565%), Zn(0.0294%), Rh(0.554%) ;ST-2 contains Na(0.493%), Mg(1.07%), Al(4.55%), K(0.801%), Ca (62.6%), Ti(0.364%), Mn(0.148%), Fe(14.0%), Cu(0.0342%), Sr(0.218%), Ag(0.135%); and ST-3 contains Na(0.625%), Mg(1.38%), Al(3.87%), K(0.937%), Ca(64.5%), Ti(0.409%), Mn(1.38%), Fe(7.37%). %), Sr(0.305%). The results show potential metal resources, particularly nickel and iron, in the area for further exploration and mining. This research provides important basic information for the study of geology and resource management in Jayapura

Minerals are solid objects that can be found in nature, formed inorganically, with chemical composition at certain limits and have atoms arranged regularly. Rocks can be distinguished based on the formation process and mineral content. The purpose of this study is to identify minerals in sedimentary rocks and laterite deposits in this study used analytical methods, namely Binocular Microscope and XRD (X-Ray Diffraction) laboratory tests. XRD analysis is used to determine the type of mineral in the sample. Based on the results of the XRD X-Ray Diffraction lab test, each sample has a different mineral content.

This study aims to reprocess middlings from the mineral processing process carried out at PT Timah Tbk which still contains cassiterite minerals using a three disc magnetic separator tool with variations in electric current strength and distance between the height of the magnet and the belt. Sn content will be analyzed using XRF. Variations in the strength of the electric current used are ranging from 0.3 A to 1.3 A which will be divided into 3 variations and variations in the height distance of the magnet with the belt used, namely 0.7, 1 and 1.3 cm. This research was carried out 9 times of testing which will be sought for the optimum level and recovery produced. The results showed the distribution of tin distribution in each size fraction. In addition, the Sn content and Sn recovery produced also varied for each test variation. The highest Sn content (%), 27.1%, was obtained in the test with the highest electric current strength variation and the smallest magnet height distance. Meanwhile, the highest recovery of 85.12% was obtained in the test with the smallest electric current strength and the largest magnetic height distance. Based on the results of the study, the higher the electric current strength used, the higher the Sn content obtained, but the lower the Sn recovery obtained. Meanwhile, the higher the height distance of the magnet with the belt used, the lower the Sn content obtained but the higher the Sn recovery obtained. As well as for the optimum levels and recovery obtained in research using strong electric current and the height distance of the magnet with a medium belt with Sn content of 12.2% and Sn recovery of 54.67%.

The bottled water industry (AMDK) in Indonesia is highly competitive, requiring companies to develop effective marketing strategies. This study aims to analyze the influence of brand image on purchase intention for Le Minerale products, with social influence as a mediating variable. The research employs a quantitative survey method involving 100 respondents selected through purposive sampling. A Likert-scale questionnaire was used to measure respondents' perceptions of the study variables. Results analyzed using PLS-SEM indicate that brand image significantly impacts purchase intention, both directly and indirectly through social influence. A positive brand image enhances consumers' perception and trust in the product, while social influence strengthens this relationship. This study highlights the importance of brand image management and the role of social recommendations in influencing purchase decisions. However, limitations include the small sample size, potential respondent bias, and a lack of exploration of other factors such as price and product quality. Future research is recommended to expand population coverage, include additional variables, and adopt a longitudinal design.

This study aims to analyze the effect of feed supplements on the health and growth of beef cattle. The method used is a literature review, examining various relevant sources related to livestock feed and supplements. The results show that the addition of protein in feed increases the average daily gain (ADG) of cattle by 1.0-1.2 kg/day compared to cattle without supplements (0.7 kg/day). Feed supplements also proved to improve feed conversion efficiency by up to 20-25% and reduce feed costs when combined with local feed. Additionally, the provision of minerals and vitamins such as vitamin E and selenium contributes to improving cattle immunity and reproductive health. The implementation of good livestock health management, including routine administration of vitamins and deworming, is key to enhancing the productivity and health of beef cattle.

Diversification of agricultural products is one strategy to increase the added value and competitiveness of local commodities. Avocado (Persea americana) is a tropical fruit that is rich in nutrients, such as healthy fats, fiber, vitamins and minerals. However, the use of avocados in Indonesia is still limited to fresh consumption and simple processing. This research aims to develop an innovative product in the form of avocado-based sponge cake as an effort to diversify agricultural products. The method used includes organoleptic testing. The research results show that the use of avocado in making sponge cake can improve the soft texture, distinctive aroma, color and unique taste. Organoleptic tests show a good level of consumer acceptance with an average score of above 50% in the aspects of taste, color and texture. Apart from that, nutritional analysis shows that avocado cake has a higher content of healthy fats and fiber than conventional cake. Implementation of this product has the potential to open up new market opportunities and provide added value for local avocado farmers.

Abstrak Studi ini bertujuan untuk mendeksripsikan ironi dari keterlibatan Organisasi Masyarakat Keagamaan dalam sektor pertambangan energi di Indonesia. Penelitian ini menggunakan metode studi literatur dan mengkaji dampak Peraturan Pemerintah (PP) No. 25 Tahun 2024, seperti yang diubah oleh PP No. 96 Tahun 2021, tentang Pelaksanaan Kegiatan Usaha Pertambangan Mineral dan Batu Bara. Hasil analisis menunjukkan bahwa meskipun izin tambang yang diberikan kepada Ormas dapat berdampak besar pada tata kelola pertambangan, kebijakan ini menimbulkan kontroversi karena kemungkinan melanggar Undang-Undang Minerba. Ironisnya, dampak pertambangan yang dihasilkan oleh Ormas justru diperburuk. Fokus utama diskusi ini adalah konsekuensi hukum, ekonomi, dan lingkungan dari kebijakan ini. Penelitian ini menemukan bahwa keterlibatan Ormas dalam industri pertambangan berpotensi meningkatkan risiko kerusakan lingkungan yang signifikan. Dengan demikian, penelitian ini menegaskan bahwa kebijakan publik harus dievaluasi secara menyeluruh untuk memastikan bahwa pengelolaan sumber daya mineral tetap berkelanjutan secara ekologis.

Based on Ministry of Energy and Mineral Resources data, regarding the target achievement of mechanical equipment performance in mining companies, PT Bumi Nikel Nusantara has a level of achievement value of equipment performance less than the value set in the Minister of Energy and Mineral Resources Decree No.1827/2018. A mechanical equipment performance value can be achieved by examining ongoing mining activities on one mining front that includes loading and transportation activities. One of the efforts is to know the productive time, calculate the obstacle time and repair time of the equipment in case of damage. The results of the performance for the Use of Availability (UA) parameter of the EHJ Block Mawar pit loading equipment is 74% (not achieved), 71% Pit Mawar transport equipment, pit 3 loading excavation equipment 75% (achieved), and Pit 3 transport equipment 71% (not achieved). While the results of the study of the achievement of productivity of the loading and unloading equipment show the achievement with a value for loading equipment of 76,71% (not achieved) and transport equipment of 65,63% (not achieved). 

Studi ini bertujuan untuk pengujian ilmiah terkait pengaruh karakteristik komite audit, profitabilitas, tingkat utang terhadap penghindaran pajak secara empiris. Purposive sampling digunkana sebagai cara pengambilan sampel memanfaatkan data sekunder berupa laporan tahunan perusahaan subsektor pertambangan batu bara dan mineral yang terdaftar di IDX selama periode 2019-2023. Studi ini menggunakan lima variabel independen meliputi karakteristik komite audit mencakup ukuran diukur dengan total anggota komite, independensi diukur dengan proporsi anggota indpenden terhadap keseluruhan anggota komite dan ahli keuangan diukur dengan proporsi anggota ahli keuangan terhadap keseluruhan anggota komite, profitabilitas menggunakan ROA, dan tingkat hutang menggunakan DAR. Penghindaran pajak sebagai variabel dependen menggunakan ETR. Populasi bersumber dari 37 perusahaan selama 5 tahun, sesuai dengan kriteria sampel  didapat 13 perusahaan sehingga memperoleh 65 sampel untuk diuji. Regresi linier berganda digunakan untuk menganalisis data pada studi. Studi ini menujukkan ukuran komite audit dan ahli keuangan komite audit memengaruhi positif terkait penghindaran pajak. Tingkat utang memengaruhi  negatif terkait penghindaran pajak. Sementara, independensi komite audit dan profitabilitas tidak berpengaruh dengan penghindaran pajak. Studi ini diharapkan membantu manajemen dalam pengambilan keputusan terkait penghindaran pajak dan menyusun kebijakan perusahaan. Pemegang saham perlu mengevaluasi karakteristik komite audit, sementara regulator harus meninjau dan menyesuaikan kebijakan perpajakan untuk mengatasi penghindaran pajak.

Pizza rolls are snacks in the form of small rolls that usually contain typical pizza ingredients, such as tomato sauce, cheese, meat such as pepperoni or sausage, and various other toppings. The outer crust of pizza rolls is usually made from thin dough such as bread or pastry, then fried or baked until crispy. Pizza rolls are a small snack that combines the classic taste of pizza with a practical form that is easy to eat at any time. Its popularity makes it a favorite choice for casual events, parties or just an afternoon snack. Seeing the increasing food trend, the author took the initiative to make pizza rolls with topping variants in order to provide education to people who want to become entrepreneurs in the culinary field, especially snacks. Pizza rolls are known as a practical and delicious snack, but their health benefits depend on the ingredients used and how they are made. Some of the potential benefits of pizza rolls, especially if made with quality ingredients and consumed in moderation, are a source of fast energy, rich in protein, a source of calcium, contain vitamins and minerals, a healthy alternative with modifications, and improve mood. The methods used in this activity include lectures, questions and answers or discussions, and training. The results obtained were (1) The participants responded well to the training in making pizza rolls with topping variants; (2) Strong motivation and interest from training participants so that it supports the transfer of information and skills from service providers to participants, and each participant can fully absorb the training material offered; and (3) The training product for making pizza rolls with topping variants can be consumed daily and can be used as an entrepreneurial product.

The phenomenon that occurs in this study is the lack of motivation or encouragement provided by the boss which results in employees not being optimal in achieving the work targets that have been set by the company. So that the role of superiors is very necessary in terms of motivation such as promotion, giving awards, and enthusiasm to build employee morale in doing work. The purpose of the study is to find out partially and simultaneously the relationship between work motivation variables and work discipline that affect employee performance. The type of research method used is a quantitative method with a saturated sample sampling technique. The findings in this study are (1) obtained a motivation calculation t value of 3.546 > ttable 2.003 with a Sig probability of 0.000 < 0.05 then motivation has a positive and significant effect on Employee Performance, (2) a discipline calculation t value of 2.574 > ttable 2.003 with a Sig probability of 0.022 > 0.05, then discipline has a positive but not significant influence on Employee Performance at the Department of Industry, Energy and Mineral Resources Trade North Sumatra Province.

Flexible pavement is the most widely used pavement in Indonesia. There are three types of hot mix asphalt in Spesifikasi Umum Bina Marga 2018 Rev. 2, including Asphalt Concrete (AC), Thin Layer Asphalt Concrete (Hot Rolled Sheet, HRS) and Stone Matrix Asphalt (SMA). Of the three types of hot mix asphalt Stone Matrix Asphalt has advantages but is rarely used in Indonesia, especially in Papua. This is what then motivated the author to raise the research topic to find out whether local materials in the Jayapura Regency area can be utilized as a basic material for Rough Stone Matrix Asphalt (SMA).This research was conducted at the BPJN Jayapura Testing Laboratory with asphalt levels of 5.5%, 6.0%, 6.5%, 7.0% and 7.5%. Coarse aggregate in the form of crushed stone and stone ash was obtained from Kampung Harapan, Jayapura Regency while sand was obtained from River at Waibu District Jayapura Regency and filler from stone ash. The results of the water absorption test stated that the aggregate from Kampung Harapan had a value greater than 2% and sand 0.872%. The marshall test results showed that the stability and flow values continued to increase with the addition of asphalt content and decreased at 7.5% asphalt content. While the Void In Mix value decreased with the addition of asphalt content and the Void In Mineral Aggregate value continued to increase with the addition of asphalt content although it was still below the standard. Optimum Asphalt Content is obtained with a value of 6.13%. The residual strength index is 84.77%. As for the price difference between Stone Matrix Asphalt Rough is more expensive by 15.02% compared to the Intermediate Layer Laston (AC - BC).

Traditional markets are central to community economic activities and play a significant role in the distribution of local food products. Therefore, markets reflect the diversity of food crop commodities available in a region. This diversity holds vital importance in supporting human health balance. The more diverse the plant species available in a region, the greater the variety of nutrients that can be obtained, such as minerals, vitamins, fiber, and other essential nutrients. Furthermore, the diversity of food crops is also valuable from cultural and environmental conservation perspectives. This study aims to identify and document the diversity of food crops traded in Grogol Market and Telukan Market, Sukoharjo Regency, Central Java. The research employs a qualitative descriptive method. Data were collected through observations and semi-structured interviews using an ethnobotanical with 55 respondents who are traders in both markets. The data were then classified based on family, edible plant parts, and commodity categories. The study's findings revealed that 124 species or varieties of plants from 39 families are traded in Grogol Market and Telukan Market. The Zingiberaceae family has the highest number of species found in both markets. Vegetables are the largest commodity group traded, followed by fruits, spices, and staple foods. The parts of plants traded include fruits, leaves, tubers, seeds, rhizomes, stems, and flowers. Based on the results, the diversity of food crops traded in Grogol Market and Telukan Market is relatively high, reflecting local potential that supports community health, cultural heritage, and environmental sustainability.

Red rice is one of the most popular staple foods in Southeast Asia. In Indonesia, it is an alternative staple food to white rice, known for its high nutritional value. In addition to containing carbohydrates, fats, proteins, fiber, and minerals, red rice is also rich in anthocyanins, which function as antioxidants. This study aims to analyze the added value and its distribution created from processing red rice into Moreha Wuna red rice powder in the home industry of KWT Bungi Jaya, located in Bungi Village, Kontunaga Subdistrict, Muna Regency. The research was conducted in November 2022. The study area was chosen based on the consideration that KWT Bungi Jaya is the only home industry producing Moreha Wuna red rice powder in Muna Regency. The respondent in this research was the owner of the home industry. The analysis employed the Hayami method for added value analysis. The results showed that the added value obtained from processing red rice into Moreha Wuna red rice powder in the KWT Bungi Jaya home industry was Rp63,212 per kilogram of raw material. Consequently, the monthly added value from this home industry was Rp758,544. The distribution of added value from the red rice processing included the owner's profit of Rp46,562 (73.66%) and labor compensation of Rp16,650 (26.33%).

Base cake bars on the market are madse by soy flour mixed with dried fruit and are unusually consumed as snack in the bars. The base cake bars can be made without flour with high gluten. Mocaf is an alternative carbohydrate source as well as a substitute for wheat flours. The use of rice flour and mocaf flour was chosen becaused of the high fiber content in the various types of rice used. Moringa flour is rich in protein, minerals and vitamins. The advantages of adding Moringa flour can improve the quality of the base cake bar, especially fiber. Determining the formulation of the moringa cake bar base with various types of rice flour which has a high fiber content and is preferred by consumers is the aim of this study. This study used a two factor factorial Completely Randomized Design (CRD) with two replications. The factor used are the ratio of rice flour with Moringa leaf flour (95/5, 90/10, 85/15) and various types of rice flour (red, black, white). Chemical and organoleptic analysis of the best rice-moringa base cake bars was the B3K2 treatment (type of white rice with a ratio of rice flour: moringa 90/10) with 5.21% water content, 2.29% ash content, 17.29% fat content, 9.50% protein content, crude fiber 12.83% and 65.71% for carbohydrates. Organoleptic results with, Moringa flavor 2.19, sandy texture 3.15, density 2.49 and overall preference 3.31.

Illegal mining is rife in the Halmahera area, North Maluku Province, one of which is in Roko village, West Galela District. Mining without a permit, known as PATI, certainly has a big impact, not only on state income and the preservation of environmental functions, but also triggers social conflict among residents, both between illegal miners and local residents and between fellow miners who want to control certain areas. It doesn't stop there, since the presence of PT. Halmahera Jaya Maining with its modern technology is expected to be managed in accordance with legal and regulatory standards, but the environmental situation is getting worse because it is not equipped with an AMDAL. In this research the author used Empirical Juridical Research by comparing two Legal Research methods, the juridical approach was studied based on Law Number 4 of 2009 as amended by Law Number 3 of 2021 concerning Minerals and Coal in conjunction with Law Number 32 of 2009 concerning Management and Environmental Conservation, as last amended by Law Number 11 of 2020 concerning Job Creation, is carried out empirically. Data collection through monitoring and interviews with residents of Roko Village on behalf of Etus Pali. In studies and field studies, it was found that residents were worried about the presence of PT HJM and illegal mining carried out by residents without permission, which had an impact on the environment. Therefore, it is necessary to carry out integrated supervision and law enforcement by related parties against companies that ignore legal provisions and socialization and advocacy needs to be provided to illegal miners.

In general, some of the community's drinking water needs can be sourced from well water and water that has been treated by the Regional Drinking Water Company (PDAM). However, the increasing demand for drinking water sometimes cannot be met by well water sources or water that has been treated by PDAM. Along with technological advances, accompanied by increasingly busy community activities today tend to choose a more practical way at a relatively low cost in meeting drinking water needs. One of the alternative ways to fulfill drinking water needs is by using mineral water products. Marketing is a process of preparing integrated communication that aims to provide information about goods or services in relation to human needs. The marketing carried out at the Riayadus Samawi Islamic Boarding School is still very simple, namely from word of mouth to the congregation. So that Yarisa Drinking Water has not been sold widely like bottled drinking water in general because the majority of consumers are still worshipers and the neighborhood around the cottage. The purpose of this community service is to contribute thoughts and training, especially to the manager of Yarisa drinking water regarding the importance of analyzing marketing strategies for a company in an effort to market its products so that these products can be accepted by the public and distributed widely. The PKM process carried out at the Riyadus Samawi Ludoyo Blitar Islamic Boarding School consists of three stages, including: first, problem identification with a study carried out by the PKM team, Yarisa drinking water managers, cottage administrators, cottage caregivers, and cottage owners to find out the quality and development of Yarisa drinking water marketing strategies. The second stage is the implementation of PKM by holding a seminar with the theme “Marketing Strategy for Bottled Drinking Water at Riyadus Samawi Islamic Boarding School” and attended by Yarisa drinking water managers and students and board members. The third stage is monitoring and evaluation of whether the bottled drinking water marketing strategy delivered by the PKM team has been implemented in Yarisa drinking water. The results of this PKM are socialization and assistance regarding bottled drinking water marketing strategies and making several marketing and motivational programs so that in the future Yarisa drinking water owned by Riyadus Samawi Islamic Boarding School can be marketed widely.