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Soybean is an important food commodity in Indonesia because it is the main raw material for tofu and tempeh, two major protein sources widely consumed by the population. However, domestic soybean production remains far below national demand resulting in heavy dependence on imports. In contrast maize is increasingly preferred by farmers due to its higher productivity and a more stable economic value. Therefore, maize–soybean intercropping has emerged as a promising strategy to improve land-use efficiency while increasing soybean production without reducing maize cultivation. This study systematically mapped and synthesized maize–soybean intercropping research in Indonesia and conducted a meta-analysis of Land Equivalent Ratio LER values reported across studies. Literature searches using Scopus, Web of Science, and Google Scholar identified 179 eligible publications published between 1978 and 2023. Most studies focused on agronomic factors such as variety selection spacing arrangement and fertilizer management. Meta-analysis showed average LER values of 1.47 ± 0.046 for maize–soybean intercropping and 1.36 ± 0.081 for maize–mung bean intercropping indicating advantages over monoculture systems. However, inconsistencies in methodology and reporting standards limited study comparability and sustainability assessments. Future research should integrate ecological, social, and long-term economic indicators alongside standardized reporting frameworks to strengthen evidence-based intercropping recommendations nationally for sustainable agriculture.

Health issues among the elderly are often related to declining bodily functions, digestive disorders, and specific nutritional needs for easily digestible foods. The 60-and-older age group is at high risk for gastrointestinal disorders due to low fiber intake. Therefore, alternative foods are needed that are soft in texture, neutral in taste, safe, and nutritious. One potential solution is the development of food products based on tempeh gembus with the addition of banana hearts, which are rich in fiber, soft in texture, and readily available. This study employed an experimental method using a Completely Randomized Design (CRD) to test three formulation variations (F1, F2, F3). The nutritional content of formulation F1 includes energy 111.575 kcal, carbohydrates 20.185 g, protein 6.91 g, fat 0.355 g, and fiber 6.67 g. Formula F2 contains 88.225 kcal of energy, 14.095 g of carbohydrates, 7.72 g of protein, 0.205 g of fat, 7.3 g of fiber, and 0.0015% flavonoids. Formula F3 has 107.015 kcal of energy, 7.995 g of protein, 0.295 g of fat, 6.88 g of fiber, and 0.0021% flavonoids. In conclusion, the best tempeh with added banana hearts is Formula F2, with its nutritional content, fiber, flavonoids, and BAL >10⁸ CFU/g, which has the potential to serve as a functional food and probiotic source to help improve digestive health in the elderly. Further testing is recommended directly on elderly groups, along with product shelf-life testing.

This community service program aims to transform the management of tempeh MSMEs in the Sanan area through the integration of management strengthening, business digitalization, and legality based on the Asset-Based Community Development (ABCD) approach. The activities were carried out by combining the ABCD and Participatory Action Research (PAR) approaches through the stages of discovery, dream, design, and destiny, involving the active participation of business actors in every process. This approach emphasizes the utilization of local potential and community assets, enabling MSME actors to develop their businesses independently and sustainably. The results of the program indicate that the implementation of standard operating procedures (SOPs) and cross-training programs improved the consistency of production processes, work efficiency, and workforce flexibility in responding to changing production demands. In addition, the use of social media and business location tagging on digital platforms contributed positively to expanding market access and increasing product visibility. Assistance in copyright registration also strengthened the legality and protection of MSME products. Overall, this activity significantly enhanced the adaptive capacity of MSMEs in facing market dynamics and encouraged more structured, competitive, innovative, and sustainable business management.

The rupiah plays a vital role as a symbol of national identity and sovereignty, but awareness among rural communities about its function and importance is often limited. In Kutalimbaru Village, the main challenges identified are low monetary literacy, which results in physical damage to money and a lack of awareness about counterfeit money. Through the Real Work Lecture (KKN) program, community service efforts were carried out with the aim of internalizing the values of “Love, Pride, Understanding (CBP) of the Rupiah.” The approach used was community-based education through interactive workshops and practical demonstrations on money care techniques and an introduction to the security features of the Rupiah. Findings in the field show a transformation in the community's attitude; from being indifferent to being more careful in handling paper money and better understanding the role of the Rupiah in economic stability. This program has succeeded in increasing the financial literacy of citizens while strengthening the spirit of nationalism through appreciation of the national currency. Keywords: community empowerment, micro businesses, tempeh products, entrepreneurship, Sialaman Village.

Regarding the Utilization of Non-Fat Tempeh Powder as a Functional Food Based on Local Potential. The activity was conducted in Baturan Village, Colomadu District, Karanganyar Regency, involving 55 members of the PKK (Family Welfare Empowerment) cadre. The community service method employed a Community-Based Research (CBR) approach combined with Asset-Based Community Development (ABCD). The activities included participatory counseling, group discussions, and evaluation through pre-tests and post-tests. The results demonstrated an increase in knowledge, a shift in attitudes, and a growing awareness among the PKK cadre regarding the importance of functional food based on non-fat tempeh. Furthermore, the cadre emerged as peer educators with the potential to drive program sustainability at the community level. This community service proves that community-based counseling is effective in fostering initial social transformation towards healthier and more self-reliant food consumption patterns.

Community engagement activities through the KKN program in Sialaman Village, Sipirok Subdistrict, South Tapanuli Regency were designed to strengthen the capabilities of local MSME actors in tempeh production. Program implementation used participatory methods that actively involved the community, including initial observation, counseling, and production practice stages. A total of 30 people participated, including PKK mothers, village youth, and small-scale local entrepreneurs. The learning by doing approach proved its effectiveness in transferring technical skills to participants. Observations during the activity showed that 90% of participants demonstrated high enthusiasm and gained new insights regarding the transformation of soybeans into economic commodities. This program successfully awakened entrepreneurial spirit and opened business opportunities based on sustainable local agricultural products.

Children under two years old (Baduta) are vulnerable to nutritional problems due to their rapid growth and development phase. Supplementary feeding (PMT) using locally sourced foods is an effort that can support adequate nutritional intake during this period. This community service activity aimed to increase mothers' knowledge regarding the importance of PMT and the introduction of nutritious local food ingredients that are easily accessible. The activity was conducted in Lawata Village, Kolaka Utara Regency, involving 30 mothers with Baduta. The method used was educational counseling and interactive discussion covering the definition, benefits, timing of supplementary feeding, and examples of local nutritious foods such as fish, eggs, tempeh, legumes, vegetables, and tubers. The results showed an improvement in participants' understanding of appropriate supplementary feeding practices. Mothers also expressed willingness to apply the knowledge gained in daily feeding practices at home. This program is expected to increase family awareness of balanced nutrition and encourage the use of local food sources to support optimal child growth and nutritional status improvement.

Initial survey results show that consumers in the Makale region have specific preferences for tempeh packaging and quality, but business actors have not incorporated these preferences into their production and marketing strategies. This gap calls for an intervention to develop a strategy based on a systematic, contextual mapping of consumer preferences. Using a mixed methods approach with an explanatory sequential design, the study was conducted in two stages: first, quantitative data collection and analysis, followed by qualitative data collection and analysis to clarify and deepen the results. The study found that consumer preferences for Jeslyn tempeh are primarily influenced by sensory qualities (taste, texture, aroma), cleanliness, affordability, hygienic packaging, distribution ease, and promotion. The Likert scale analysis showed that most indicators had an average value above 4.20 (percentage index > 84%), indicating high to very high consumer satisfaction. Taste (mean 4.52; index 90.4%) and texture (mean 4.44; index 88.8%) were the most influential factors, followed by price and cleanliness. Consumer loyalty is built through consistent quality and emotional attachment to local products. Producers should maintain product quality, improve hygiene, introduce simple innovations, and use social media for cost-effective promotion.

The Student Organization Capacity Building Program (PPKO) of the PTI FKIP UMS is a community service initiative that aims to increase the added value of tempeh products in Sentono Village, Karangdowo District, Klaten Regency, with a focus on product innovation, particularly tempeh nuggets. Sentono Village has long been known as one of the largest tempeh production centers in Klaten, with more than 26 active tempeh producers. However, these producers face significant challenges in the form of conventional marketing and a lack of diversification in tempeh products, which has resulted in the village's economic potential not being fully realized. This activity was designed to address these issues by actively involving the community, including intensive training in tempe nugget production, hands-on practice under the guidance of facilitators, and interactive question and answer sessions to solve practical problems. To measure the effectiveness of the program, an evaluation was conducted using pre-tests and post-tests to quantitatively measure the increase in participants' knowledge and skills. The results of this evaluation show a significant increase in participants' knowledge and skills, proving that product innovation can be a strategic solution to improve the competitiveness of MSMEs in the modern era.

The Hazard and Operability (HAZOP) methodology is a qualitative risk analysis technique commonly used to detect potential work hazards. CV. Suryadi Sentosa, also known as Bapak Suryadi's Home Tempe Industry, is a home-based business that produces tempeh. Almost all of the production procedures are still carried out manually, and occupational accident analysis measures have not been implemented. The factory conditions indicate inadequate lighting and ventilation, as well as relatively slippery floors. It is also observed that the industry workers do not pay much attention to their posture, and they do not use personal protective equipment (PPE). This research was conducted directly at the CV. Suryadi Sentosa Tempe Factory, using interviews and observations of seven workers involved in the production process. The steps taken in this study are compiling the sequence of the production process. By using a Hazard and Operability (HAZOP) worksheet, identify potential risks, conduct risk control analysis, monitor and evaluate, implement improvements, and draw conclusions. The analysis found 9 stages of tempeh production at Mr. Suryadi's facility. Several improvements are needed, including involving several workers to handle soybean processing, creating ventilation to provide good and healthy air circulation for workers, adding lighting as a light source so that workers can perform their tasks comfortably, and using ergonomic chairs and work tables to prevent fatigue and increase factory productivity.

Tofu is one of the most widely consumed foodstuffs in Indonesia, enjoyed by nearly all social groups due to its affordability, nutritional value, and availability. As a processed product derived from soybeans, tofu has been an integral part of Indonesian diets for generations, with its consumption evenly distributed across regions. This study focuses on analyzing tofu consumption patterns in the Tenggarong sub-district, Kutai Kartanegara Regency, while specifically examining the influence of tofu and tempeh prices on tofu demand. Tempeh is included in the analysis as a comparative product due to its similarity in raw materials and market segment. The research employs a quantitative approach using multiple linear regression to determine the effect of the independent variables—price of tofu (X1) and price of tempeh (X2)—on the dependent variable, tofu demand (Y). Data were collected from relevant local sources through market surveys and secondary data records. The results indicate that both X1 and X2 have a measurable influence on Y, as reflected in the regression equation: Y = -50,178.37 + 20.48X1 + 2,488.09X2. The positive coefficient for tofu price suggests that, contrary to typical demand theory, an increase in tofu price in this specific market segment is associated with higher demand, which may indicate the influence of perceived quality or brand loyalty. Similarly, the positive coefficient for tempeh price implies that as tempeh becomes more expensive, consumers may substitute it with tofu, thereby increasing tofu demand. These findings highlight unique consumer behavior patterns in Tenggarong that may be influenced by cultural preferences, income stability, and market conditions. The study concludes that price dynamics between tofu and its substitute product, tempeh, play a significant role in shaping tofu consumption.

Tempeh, as one of Indonesia's traditional fermented foods, plays a vital role in providing affordable vegetable protein and contains various essential nutrients such as vitamin B12, folic acid, and fiber. Tempeh's uniqueness lies in the fermentation process involving local microorganisms that thrive in soybeans. Tempeh from Bayung Lencir, South Sumatra, is known for its traditional production process, which uses no starter culture. This results in a unique microbiota that has not been widely studied during fermentation. Therefore, this study focused on identifying the microorganisms involved in the tempeh fermentation process. The results showed that Rhizopus oligosporus is the primary microorganism responsible for the formation of tempeh's texture and increasing its nutritional value through the production of proteolytic and lipolytic enzymes that aid in the digestion of protein and fat. Furthermore, lactic acid bacteria such as Lactobacillus plantarum and Pediococcus spp. play a crucial role in creating a more acidic environment, thereby reducing the risk of pathogenic microorganism growth and maintaining product safety. However, an uncontrolled fermentation process can also result in contamination by harmful microorganisms, such as Aspergillus niger and Penicillium spp., which can affect the quality of tempeh and potentially produce mycotoxins that are harmful to health. The use of PDA media has proven effective in isolating and observing the morphological characteristics of fungi, such as colony color, texture, and growth rate. This medium provides adequate results in identifying microorganisms involved in the tempeh fermentation process. This research is important for maintaining the quality and safety of Bayung Lencir's signature tempeh and opens up opportunities for the development of local starter cultures that can improve quality control during the fermentation process. Molecular-based research is needed to further explore the identity of microbes and to improve the safety and competitiveness of tempeh in the global market.

Tempe is a fermented soybean product widely known in Indonesia and various countries, with Rhizopus oligosporus fungus as the main microorganism involved in the fermentation process. This study aims to observe the growth of Rhizopus oligosporus fungus isolated from tempeh using the dilution method and grown on Potato Dextrose Agar (PDA) media. The research process began with taking tempeh samples which were then subjected to serial dilutions. Next, the diluted samples were inoculated into PDA media and incubated at 37°C to facilitate fungal growth. Observations were made periodically to monitor the development of fungal colonies and the morphology formed. In the observation, it was found that Rhizopus oligosporus fungal colonies growing on PDA media were grayish-white with a distinctive filamentous hyphal structure. This indicates that PDA media strongly supports the growth of the fungus. In addition, the dilution method used in this study proved effective in separating fungal colonies, thus facilitating the morphological identification of each colony. The serial dilution method is very important in isolating microorganisms present in tempeh samples. By separating the fungal colonies from each other, researchers can observe the development of each colony more clearly and accurately. The results of this study indicate that PDA media is very suitable for supporting the growth of Rhizopus oligosporus and that the serial dilution method is an effective way to isolate this fungus from tempeh. In conclusion, this study proves that serial dilution followed by inoculation on PDA media is an effective method in observing and isolating Rhizopus oligosporus from tempeh. PDA media is able to support optimal fungal growth and allows for clear observation of the colonies and their morphology.

This study aims to develop tempeh (Rhizopus oryzae) into tempeh flour to be utilized as the main ingredient in the production of a traditional Indonesian cookie known as kastengel. Tempeh is a rich source of plant-based protein and dietary fiber, yet its application in the processed food industry, particularly in dry baked goods such as cookies, remains underexplored. This innovation is expected to serve as a healthy food alternative while supporting the diversification of local food products. The research employed a Research and Development (R&D) approach, encompassing several key stages: processing tempeh into flour through slicing, drying, grinding, and sieving; formulating kastengel dough using tempeh flour as the base ingredient; and evaluating the final product through both organoleptic (sensory) testing and nutritional analysis. Organoleptic testing involved 10 panelists, including lecturers and students, who assessed the product based on color, taste, aroma, and texture. Nutritional content was analyzed at the Manado Industrial Research and Standardization Agency. The results showed that kastengel made from tempeh flour had a light brown color, a savory-sweet flavor, a distinctive yet pleasant aroma, and a crunchy texture. Laboratory tests revealed the nutritional composition of the product to include 46.12% carbohydrates, 29.82% fat, and 3.92% protein, indicating its potential as a nutritious food option. Most panelists reported a favorable response toward the product. In conclusion, tempeh flour can serve as an effective substitute for wheat flour in the production of kastengel cookies. The final product, branded as “Kastengel Eka,” demonstrates that tempeh-based food innovations can be well-accepted in terms of sensory qualities and possess promising potential as a functional, nutritious, and marketable food product.

Mentoring activities for MSMEs engaged in snacks, namely tempeh chips. Production activities are carried out every day because of the many enthusiasts and consumers who like the products of the Mak Ribut Tempeh Chips MSME. The purpose of this activity is to The purpose of this activity is to provide assistance for business development in MSMEs by identifying problems that exist in MSMEs, and trying to provide alternative solutions. After conducting the observation stage, several problems were found faced by MSMEs, including not having a business profile, not having a logo, not having a promotional Banner, not having a packaging sticker, not having a stamp, not having promotional media in the form of product photos, production videos and promotional videos, not having a social media account, not knowing the calculation of HPP, and not having simple financial records. During the mentoring activities that created a series of activities that resulted in several programs and after analyzing the UMKM Keripik Tempe Mak Ribut produced a positive impact on UMKM owners such as having a business profile that is useful as a business identity, logo, Banner, packaging stickers that are useful for introducing product brands, stamps, product photos, production videos, promotional videos, social media accounts, as a promotional media in marketing their products, and updates on gmaps so that consumers know the location of the business. Calculation of HPP (Cost of Goods Sold) so that UMKM know how much profit is obtained, as well as simple bookkeeping so that business finances are organized and not mixed with personal finances.

This study aims to evaluate the financial feasibility of tempeh production using genetically modified soybeans (Genetically Modified Organisms/GMO) at the Annisa Tempe Micro, Small, and Medium Enterprise (MSME) in Kubu Raya Regency. GMO soybeans are the preferred choice for the business owner due to their stable availability and lower price compared to local soybeans. This research employs a case study approach and utilizes investment feasibility analysis methods, including Net Present Value (NPV), Internal Rate of Return (IRR), and Net Benefit-Cost Ratio (Net B/C). The results show that the business yields an NPV of IDR 779,241,805, an IRR of 20.82%, and a Net B/C of 78.92. These indicators demonstrate that the GMO-based tempeh business at Annisa Tempe MSME is highly feasible from a financial perspective. The study also identifies key challenges such as competition in traditional markets and highlights opportunities through direct distribution and stable raw material supply. These findings are expected to serve as a reference for MSME actors, academics, and policymakers in developing sustainable GMO-based local food businesses.

Small-scale industries such as tofu and tempeh factories play a significant role in the local economy but often face serious issues such as workplace accidents. This study aims to describe the working conditions and their relation to unsafe acts by workers at the XYZ tofu and tempeh factory. A descriptive qualitative approach was used through direct observation and interviews with four workers. The findings show that a hot and noisy work environment, poor ventilation, and disorganized workspace affect workers’ behavior in carrying out tasks without using proper personal protective equipment (PPE). Unsafe work practices have become a common habit due to factors such as routine behavior, limited facilities, and demands for work efficiency. The study concludes that an unsupportive work environment is directly associated with the increase in unsafe behavior. Therefore, efforts are needed to improve the working environment, including ventilation, workspace layout, and adequate provision of PPE, as well as to increase workers’ awareness of occupational health and safety through regular training and outreach. These measures are essential to foster a safe and healthy work culture in small-scale industrial settings.

This activity aims to increase the business capacity of MSME actors through business management training, digital marketing, and technical assistance. The activity was held on April 16, 2025 at the Tempe Tofu Production Center, Jl. Macan Lindungan No.43 Bukit Kecil Village, Ilir Barat 1 District, Palembang, with a total of 20 traders. The methods used include initial observation, program socialization, financial management training, social media workshops, and marketing strategy assistance. The results showed that 80% of participants began to use digital platforms for promotion, 7 traders succeeded in preparing capital assistance proposals, there was an improvement in product packaging, and the formation of the "Tahu Tempe Mandiri" business group. This program has a positive impact on increasing turnover and market access. For sustainability, it is recommended that there be further training and collaboration with relevant agencies.

Dry noodles are noodles that are marketed in dry form. This noodle, which is also called egg noodle, has a low water content, only about 13%. Made from eggs and wheat flour, Dried noodles are processed by drying in an oven or drying in the sun to dry before being packaged and marketed. Tempeh has the potential to be used as raw material for noodles because it has a high protein content. Tempe is first processed into flour so that it becomes tempeh flour which will be used for making dry noodles. In addition, local raw materials such as mocaf flour and cow's milk are rich in nutrients such as protein content which can meet the protein needs in the body. The purpose of this study was to determine the chemical and organoleptic characteristics of dry noodles from tempeh and mocaf flour with the addition of cow's milk and to determine which noodle formulations produced high protein content. The experimental design was a completely randomized design (CRD) with the first factor being the ratio of tempe flour and mocaf flour (70 : 30, 60 : 40 and 50 : 50) with the addition of cow's milk (50%, 75% and 100%). The results of this study indicate that the dry noodle formulation with the addition of cow's milk is the best based on chemical and organoleptic values is a comparison tempeh flour 50 and mocaf 50 with a percentage of 100% cow's milk. The results obtained were a moisture content of 4.76%, an ash content of 2.63%, a protein content of 21.79%, a carbohydrate content of 70.81%, a fat content of 14.63% and a crude fiber content of 19.14%. Based on the organoleptic value, the ratio of tempe flour is 70 and mocaf 30 with a percentage of 75% cow's milk. The results obtained were 2.80% color, 2.80% aroma, and 2.99% elasticity. This research achieved the desired goal, namely to produce high protein noodles.

Sumber Kejayan Village is one of the villages in Mayang District which has a livelihood as a farmer. In Krepek Tempe UMKM , there is a problem, namely the lack of ability to use technology nowadays, so the ability of UMKM to carry out marketing is limited. The aim of this service is to introduce Krepek Tempe products to a wider market by assisting with the implementation of digital branding such as packaging development, creating a product logo. In this service, the methods used are observation, socialization, discussion and brand design, training and mentoring for Krepek Tempe UMKM actors. From the activities carried out, Krepek Tempe products have become more attractive and of course can have a positive impact and improve the economy of local village residents.