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Micro, Small, and Medium Enterprises (MSMEs) in Kemasantani Village have considerable potential in developing cassava-based products using MOCAF flour, particularly Antari chips. However, limited brand identity, unattractive packaging, and the underutilization of digital marketing have constrained product competitiveness and revenue growth. This community service program aimed to strengthen branding and optimize digital marketing strategies to support MSME revenue growth. A qualitative participatory approach was employed through surveys, interviews, observations, documentation, and direct assistance in brand identity development, packaging redesign, and social media management. The results indicate improvements in product image, packaging attractiveness, and market reach through digital platforms. The integrated application of branding and digital marketing successfully increased consumer engagement and led to an approximate 35% increase in MSME revenue within a three-month period. These findings suggest that strategic branding and digital marketing are effective approaches for enhancing competitiveness and ensuring the sustainability of locally based MSMEs in rural areas.

In response to the rapid development of technology in the economic sector, every Micro, Small, and Medium Enterprise (MSME) is required to accelerate its competitive capacity. The Community Service Program (Kuliah Kerja Nyata/KKN) plays a role as a form of community engagement aimed at empowering local potential, including Micro, Small, and Medium Enterprises (MSMEs). Several challenges faced by the cassava chips MSME at the KKN location include low business capacity and competitiveness due to limited branding and minimal utilization of digital marketing technology.The objective of this community service activity is to accelerate the capacity and competitiveness of the cassava chips MSME through digital branding assistance and the utilization of digital marketplaces. The implementation employed observation, socialization, and direct assistance methods to MSME actors, which included the creation and updating of brand identity (logo), registering the business location on Google Maps, and mentoring in the establishment of digital stores on e-commerce platforms. The results of this activity indicate an increase in MSME actors’ understanding of the importance of branding and digital marketing, as well as an expansion of product marketing reach through online channels. This KKN activity has a positive impact on enhancing business capacity and serves as an initial step toward strengthening the sustainable competitiveness of MSMEs.

Cassava is one of the strategic agricultural commodities in Indonesia, contributing significantly to national production, particularly in several major producing provinces. In addition to the challenge of declining harvested areas, cassava processing activities also generate agricultural waste that poses environmental risks. In Purwasari Village, Dramaga Subdistrict, Bogor Regency, household-scale cassava processing industries produce solid waste in the form of cassava peels, which are not optimally managed and are commonly discarded in the surrounding environment. This cassava waste has the potential to cause environmental pollution, unpleasant odours, and negative impacts on public health. One sustainable alternative for managing this cassava waste is the use of cassava peels as a raw material for composting. This study aimed to identify problems associated with cassava peel waste and to assess members of the Taruna Tani Millennial Farmer Group's interest in compost production using cassava peels. The research was conducted from December 2024 to June 2025 using a community-based assistance approach. Data was collected through interviews and questionnaires involving 20 respondents. The results showed that the main problems associated with cassava peel waste include waste accumulation, limited processing facilities, and low community awareness. Farmers’ interest in cassava peel composting was generally categorized as high, with an average score of 77%, although several indicators remained at a moderate level. Extension activities and hands-on demonstrations were proven to enhance farmers’ understanding, interest, and participation. With sustained educational support and adequate facilities, the use of cassava peel compost has strong potential to promote environmentally friendly, sustainable agricultural waste management.

Micro, Small, and Medium Enterprises (MSMEs) play a strategic role in driving local economic development, particularly in rural areas that rely on the utilization of local natural resources. However, many MSMEs still face challenges in marketing aspects, especially limited use of digital technology, weak branding, and unattractive product packaging. This community service activity aims to strengthen the marketing strategy of the “Nek Surati” cassava chips MSME located in Dolok Village, Nagori Boluk, Bosar Maligas District, Simalungun Regency. The methods employed include field observations, interviews with MSME actors, descriptive analysis of existing problems, and practice-based (hands-on) assistance through digital marketing training, improvement of packaging design, and strengthening of product branding. The results indicate an increase in the digital readiness of the MSME actor, as evidenced by the adoption of WhatsApp Business, the creation of digital product catalogs, and the utilization of social media as a promotional tool. In addition, improvements in packaging design and brand identity enhanced the visual appeal and product image in the eyes of consumers. This assistance activity had a positive impact on improving the marketing capacity of the MSME and opened opportunities for expanding market reach. With continuous assistance, the “Nek Surati” cassava chips MSME has the potential to increase its competitiveness and contribute more significantly to the local economy.

This study examines the utilization of social media in improving the competitiveness of cassava chips and lidah manis SMEs in Pematang Serai Village, Tanjung Pura District, Langkat Regency, North Sumatra Province. The rapid development of information technology has encouraged SMEs to shift from conventional marketing methods to more effective and efficient digital marketing practices. This research employs a descriptive qualitative approach, with data collected through field observations, in-depth interviews, and documentation involving SME actors. The results indicate that the use of social media platforms such as WhatsApp, Facebook, and Instagram is able to expand market reach, increase product visibility, and strengthen relationships between business owners and consumers. Attractive promotional content, consistency in posting, and responsive communication are proven to influence consumer buying interest and trust. However, SMEs still face challenges, including limited digital literacy, time management constraints, and the lack of structured marketing strategies. Therefore, continuous training and assistance are needed so that SMEs can optimize the use of social media more effectively. This study is expected to serve as a reference for the development of digital-based SMEs in rural areas.

This study aims to analyze the effect of using cassava (Manihot esculenta crantz) as a carbohydrate-based feed ingredient on body weight gain in beef cattle. The review was conducted using a descriptive literature study approach based on sixteen scientific articles discussing the nutritional composition, processing methods, and performance responses of beef cattle fed cassava-based diets. The analysis shows that cassava contains 17.45–88.6% dry matter, 2.4–21.45% crude protein, and 11.35–92.2% nitrogen-free extract, with variations influenced by plant part, processing method, and hydrocyanic acid (HCN) content. Processing techniques such as fermentation and ensiling can reduce HCN levels by more than 70% while increasing crude protein content up to 25%, thereby improving digestibility and feed efficiency. The inclusion of cassava in the form of flour, dried chips, pulp, or fermented peel consistently enhances dry matter intake and average daily gain (ADG) of beef cattle at inclusion levels of 20–50% in the diet. Overall, cassava has strong potential as a locally available, economical, and sustainable feed ingredient to improve beef cattle productivity.

Micro, Small, and Medium Enterprises (MSMEs) play a vital role in the economy by creating jobs, reducing poverty, and contributing to the Gross Domestic Product (GDP). However, many MSMEs still struggle to market their products effectively. Limited capital, workforce, and access to promotional media lead them to rely on conventional methods such as print advertising, with minimal use of digital platforms. These limitations hinder their ability to reach wider markets and compete effectively at both local and national levels. Furthermore, differences in approach between MSMEs and large companies influence their marketing strategies. MSMEs often prioritize social networks and personal relationships over structured and systematic marketing plans. As a result, traditional methods are insufficient to face increasing competition and shifts in consumer behavior. Therefore, research was conducted on more innovative, creative, and adaptive marketing strategies for Ubay Singkong Keju MSMEs so that they could survive and thrive amid the ever-changing market dynamics.

Cassava (Manihot esculenta) is a staple food that is widely consumed by the Indonesian population, especially in rural areas. However, during post-harvest handling and storage, cassava is highly susceptible to contamination by microorganisms, particularly fungi. These fungi can cause damage to the food, reduce its nutritional quality, and even produce mycotoxins that are harmful to human health. The increased risk of contamination has become an important concern in efforts to improve the quality and safety of cassava food products. This study aimed to identify the morphology of fungal colonies and the characteristics of fungal cell walls isolated from cassava stored in open environmental conditions for several days. The methods used in this study included isolation using Potato Dextrose Agar (PDA) media, macroscopic observation of fungal colony morphology, including color, edge, elevation, and texture, as well as Gram staining to observe the fungal cell wall properties. The results of this study revealed a diversity of fungal colony morphology, with three dominant types suspected to belong to the genera Aspergillus, Penicillium, and Rhizopus. Gram staining showed that the three isolates were characterized as Gram-negative, indicated by the absorption of safranin as the secondary stain. This study provides an initial overview of the types of fungi that may develop on cassava during storage, and it offers a foundation for further studies on the toxicity and food microbiology applications related to cassava. Morphological identification and Gram staining play an essential role in the initial screening before molecular identification is performed.

This study aims to explore the potential of cassava extract (Manihot esculenta)-based growth media for isolating microorganisms from soil. The use of alternative culture media is crucial, especially in regions with limited access to commercial media such as Nutrient Agar or Potato Dextrose Agar, which are relatively expensive. Cassava, a tropical tuber rich in starch and widely available in Indonesia, offers significant promise as a natural substrate for microbial growth. Microbial isolation was performed using a serial dilution method on soil samples collected from an organic garden. The media was prepared from cassava juice mixed with agar and glucose, sterilized, and poured into petri dishes. After inoculation, microbes were incubated for seven days at room temperature. Colony morphology was observed macroscopically, and Gram staining was used to identify bacterial characteristics. The results revealed that cassava extract media effectively supported the growth of diverse microbial colonies, varying in shape, color, and edge structure. Most isolates were identified as Gram-positive, with rod and coccus forms. The presence of pigmented colonies indicates the potential of certain isolates to produce bioactive compounds. In conclusion, cassava extract-based media is a viable alternative for soil microbiology studies. It is not only cost-effective but also facilitates the exploration of local microbial diversity with potential applications in biotechnology, including bioremediation and enzyme production. This approach encourages the use of indigenous resources in scientific research, promoting sustainability and accessibility in microbiological practices.

Food security is a fundamental aspect of independent and sustainable village development. Kajarharjo Village has abundant natural resource potential, such as cassava and various herbal plants. However, the utilization of this potential is still less than optimal, both in terms of food processing and the implementation of environmentally friendly agriculture. This condition encourages the need for community service activities oriented towards food innovation and strengthening sustainable agriculture. This service activity was carried out using a participatory and applied approach at the Kajarharjo Village Hall. The main target is the village community, especially housewives and farmers. The program is implemented through two main activities, namely: (1) training in making cassava leaf nuggets as a nutritious food, an alternative local product, and a household business opportunity; and (2) training in making organic boosters from natural ingredients as a more environmentally friendly substitute for chemical fertilizers. Implementation methods include counseling, demonstrations, direct practice, and interactive discussions to ensure active community involvement. The results of the activities show an increase in community knowledge and skills. Housewives are able to process cassava leaves into products with nutritional and economic value, while farmers gain skills in mixing organic boosters that can improve soil quality and agricultural yields without relying on chemical fertilizers. The participants' enthusiasm was also evident in their active participation in the practical exercises and their desire to apply the knowledge gained in their daily activities. In conclusion, this activity successfully encouraged the utilization of local potential in Kajarharjo Village through food innovation and organic farming. Empowering the community through cassava leaf processing and organic fertilizer production not only strengthens food security but also opens up business opportunities, maintains environmental health, and supports the development of an independent, healthy, and sustainable village.

Cassava tapai is a traditional Indonesian food product produced through the fermentation of cassava (Manihot esculenta) with the help of microorganisms, particularly the yeast Saccharomyces cerevisiae. This product not only has cultural and economic value but also contains bioactive compounds with health benefits, such as probiotics and fermentation metabolites. However, the quality of cassava tapai is significantly influenced by process factors, particularly incubation time. This study aimed to analyze microbial growth and changes in the chemical properties of cassava tapai with varying fermentation times. The study was conducted using an experimental design with fermentation times of 24, 48, and 72 hours at room temperature. The main parameters observed included the number of microbial colonies (cfu/g), pH changes, and alcohol content produced during the fermentation process. The results showed that microbial growth increased significantly, peaking at 48 hours, with the highest colony count compared to other treatments. After 72 hours, the number of colonies decreased, likely due to ethanol accumulation and decreased substrate availability, which reduced microbial activity. The pH value tended to decrease with increasing fermentation time, reflecting the formation of organic acids during the process. Meanwhile, the alcohol content showed an increasing trend from the beginning to the end of fermentation, although the growth rate was relatively slower at 72 hours. These findings confirm that varying incubation length significantly influences microbial dynamics and chemical changes in cassava tapai. The optimal fermentation time is around 48 hours, as this is the phase where the balance between microbial growth, alcohol formation, and sensory characteristics is maintained. The results of this study can serve as a basis for developing standards for cassava tapai production at both household and industrial scales, while also strengthening efforts to preserve traditional foods with a modern scientific approach.

Solid waste from the tapioca processing industry, which is based on cassava (Manihot esculenta), is a medium rich in organic matter, particularly starch, that supports the growth of various types of microorganisms, especially fungi and bacteria. This study aims to isolate and observe the morphology of microorganisms from solid waste of cassava from the tapioca industry using Potato Dextrose Agar (PDA) medium in a series of pharmaceutical microbiology practicum. Waste samples were taken from the tapioca processing site, then underwent a serial dilution process and inoculation into PDA medium, which was incubated at 28–30°C for 5 days. The isolation results showed the growth of microorganisms with diverse colony morphologies, which are suspected to originate from the genera Aspergillus, Penicillium, and Rhizopus, based on macroscopic and microscopic characteristics. The presence of these microorganisms indicates the potential utilization of cassava waste as a source of microbial isolates for biotechnological and pharmaceutical applications, such as enzyme production and development of bioactive compounds. This practicum activity also contributes to increasing students' understanding of isolation techniques, microorganism characterization, and their role in biological-based waste management.

Cassava (Manihot esculenta) is a staple food rich in carbohydrates and widely consumed by people in various regions, especially in tropical regions such as Indonesia. Besides being easy to cultivate, cassava also has a high economic value. However, cassava has a major weakness, namely its perishability after harvest. This damage is often caused by contamination by microorganisms, especially fungi, which can grow rapidly in unhygienic and humid storage conditions. Fungal contamination not only causes odor and reduces sound quality but also has the potential to produce mycotoxins that are harmful to human health. Therefore, identifying the type of fungus growing on cassava is very important. The purpose of this study was to determine the presence and type of fungus growing on cassava through a colony morphology approach and Gram staining using crystal violet. The research method began with dilution of cassava samples, then inoculated into Nutrient Agar (NA) media, incubated for 48 hours at room temperature, and continued with microscopic examination. Staining with crystal violet aims to clarify the morphological structure of the fungus such as hyphae and spores. Observations revealed the growth of characteristic fungal colonies, as well as hyphal and spore structures that readily absorbed crystal violet. This demonstrates that this simple morphological and staining method is quite effective in providing initial insights into fungal identification. This information is expected to form the basis for developing safer and more durable cassava storage methods. Further research is recommended on specific identification using molecular testing. This step will broaden our understanding of the toxicological potential and post-harvest handling of cassava.

Cassava tape is a traditional fermented product widely consumed in Indonesia, especially in rural areas. It is produced from cassava (Manihot esculenta) through the activity of microorganisms during the fermentation process. The presence of microbes in this process plays a crucial role in the flavor, aroma, texture, and final quality of the product. The microorganisms involved, including bacteria, molds, and yeasts, work synergistically to break down the carbohydrate components of cassava into simpler products, resulting in the sweet taste and distinctive aroma of tape. This study aimed to identify and characterize the microbes present in cassava tape through isolation and microscopic staining using safranin. The isolation process involved several stages: sequential sample dilution, inoculation onto Nutrient Agar (NA) media using the pour method, and incubation at 37°C for 24 hours. The growing microbial colonies were observed macroscopically, then collected and subjected to simple safranin staining to determine the shape and distribution pattern of the microbial cells microscopically. Observations revealed colonies with diverse morphologies, including rod-shaped (bacilli) and spherical (cocci), evenly distributed across the observation area. This indicates that cassava tape contains microorganisms of various morphologies that play a role in the fermentation process. Simple safranin staining has been shown to provide an initial overview of the presence and form of microbes, although further identification to the genus or species level requires further tests such as Gram staining, biochemical tests, and molecular analysis. These findings open up opportunities for further in-depth research into consumption safety, the functional role of microbes in tape fermentation, and its potential use as a source of natural probiotics in traditional fermented foods.  

Cassava (Manihot utilissima) fermentation is a traditional process that has long been used to produce tape singkong, a distinctive Indonesian fermented food product. This fermentation process relies on natural or inoculated microorganisms, such as yeast, mold, and lactic acid bacteria, which play a crucial role in converting starch in cassava into simpler sugars. This process results in the unique taste of tape, characterized by a balance of sweet and sour flavors and a soft texture that distinguishes tape singkong. This study aims to identify the microorganisms involved in the fermentation process of tape singkong through microscopic observation. Tape samples were collected at various stages of fermentation to obtain a comprehensive picture of the microbial changes occurring during the fermentation process. Gram staining was used to differentiate microbes based on their cell wall characteristics, while the morphology of molds and yeasts was examined to identify the types of microorganisms involved in the fermentation. The study's findings revealed that the microorganisms involved in cassava fermentation included a variety of species, including Saccharomyces cerevisiae (yeast), Lactobacillus spp. (lactic acid bacteria), and filamentous molds such as Rhizopus spp. These microorganisms play vital roles in the fermentation process by breaking down starch into simpler sugars, which contribute to the characteristic sweet and sour taste and soft texture of tape. This microscopic identification underscores the significant role of microbial activity in the success of the cassava fermentation process and provides insights into the microbiological profile of traditional fermented foods. These findings also open up opportunities for further development in biotechnology and the food industry, exploring the potential of local microorganisms to produce higher-quality and more diverse fermented food products.

Cassava tape is a traditional fermented food that is popular in Indonesia and is known to contain potential microorganisms such as Lactobacillus spp. and yeast. These microorganisms play a significant role in the fermentation process of cassava tape, which in turn contributes to the product's taste and texture. Moreover, these microbes have the potential to act as probiotics, supporting gut health. This study aims to identify and characterize Lactobacillus strains and yeast isolated from cassava tape yeast, as well as evaluate their probiotic potential. Isolation was carried out using selective media specifically formulated for isolating Lactobacillus and yeast. After isolation, identification was performed through morphological, biochemical, and molecular approaches. Molecular identification was carried out using the 16S rRNA gene for Lactobacillus, while the Internal Transcribed Spacer (ITS) gene was used for yeast. After identification, probiotic characterization was carried out through several tests, including resistance to low pH, bile salts, antimicrobial activity against pathogens, and microbial adhesion to intestinal surfaces. The results of the study showed that several isolates of Lactobacillus plantarum and yeast such as Saccharomyces cerevisiae exhibited good resistance to simulated gastrointestinal conditions, including resistance to low pH and bile salts. Furthermore, these microbes showed antagonistic activity against the pathogens Escherichia coli and Staphylococcus aureus, indicating their ability to inhibit the growth of pathogenic bacteria in the digestive tract. These findings suggest that microbial strains isolated from cassava tape yeast have the potential to be developed as new local probiotic candidates. Therefore, cassava tape not only serves as a delicious traditional fermented food but also can be utilized to support gut health, providing a safe and beneficial probiotic alternative for the community.

Dry facial skin is a common condition characterized by dull, flaky skin that is prone to wrinkles. This often reduces a person's self-confidence, making the search for solutions to treat dry skin an important concern. One natural remedy believed to help address dry skin issues is yellow cassava, which is rich in starch and nutrients. This study aims to determine whether the use of yellow cassava masks affects the moisture level of dry facial skin. The research was conducted using a quasi-experimental experimental approach, involving two groups: a control group and an experimental group. Each group received treatment once a week for four weeks. The experimental group used yellow cassava masks, while the control group received no treatment. Moisture levels of the facial skin were assessed before and after the treatment. The sample consisted of 6 participants, selected through purposive sampling. The main data was obtained through direct observation and documentation, and then analyzed using normality tests, homogeneity tests, and hypothesis tests. The results showed that the average moisture level of the control group at the end of the study was 41.7%, while the experimental group showed an increase, with an average of 44.1%. However, hypothesis testing indicated that the difference was not statistically significant. Based on these findings, it can be concluded that the use of yellow cassava masks in the short term does not show a significant effect on the moisture level of dry facial skin. The researchers suggest that further studies should be conducted over a longer period to achieve more optimal results and to gain a deeper understanding of the benefits of yellow cassava masks in treating dry facial skin.

This community service program aims to improve the capacity of 25 raw cassava chip MSMEs in Solok Regency through holistic training that integrates managerial, collaborative, and spiritual aspects. The activities are designed with the real needs of business actors in mind, both in terms of technical business management skills and strengthening business ethics values. The training is conducted in a classical manner through the delivery of entrepreneurship and financial management materials covering basic business management concepts, simple marketing strategies, and cash flow management. In addition, participants participate in group simulations and ice-breaking games to foster a spirit of collaboration and build trust among business actors. Assistance in financial recording practices is carried out using the financial records application v1.1, which is designed to facilitate recording daily transactions, tracking production costs, and simple profit and loss analysis. A special contemplation session is also held to foster awareness of ethics and spirituality in entrepreneurship, including the importance of honesty, social responsibility, and sincere intentions in running a business. The program is evaluated through a 20-question digital quiz taken by all participants. The evaluation results show a significant increase in the understanding of basic management concepts, cash flow recording skills, and a responsible attitude in managing the business. These findings confirm that a values-based training approach combined with hands-on practice can effectively strengthen the foundations of MSME sustainability, both in terms of operational performance and moral resilience. Given the positive results, this program is recommended for replication in other regions with similar business characteristics. Continued support from local governments, educational institutions, and business partners is essential to expand the program's impact, ensure business sustainability, and foster competitive and integrated community-based economic growth.

Keripik Singkong Alif, a micro-enterprise located in Suka Damai Village, faces challenges in managing human resources due to its traditional and unstructured operational system, leading to inefficiencies and obstacles in business development. To address this issue, socialization and education on Digital Talent Management (DTM) were conducted as a solution to improve HR management through a simple and applicable digital approach. This activity aimed to educate micro-business actors on the importance of talent management. The methods used included field observations, interviews, socialization, training, mentoring, and step-by-step evaluation to ensure that business owners could understand and independently implement the system.  The results of the activity show that the socialization program consisted of several stages, namely observation, problem identification, implementation of socialization and education, and evaluation. Through four days of socialization and education, Keripik Singkong Alif successfully established a clearer division of tasks, recognized employee potential, and agreed on work procedures through the development of a simple Guidebook. The digital approach used effectively raised awareness among business owners about the importance of work documentation and performance evaluation, despite initial challenges in digital literacy.

Indonesia is a country inhabited by the largest Muslim population in the world. The need for halal products is also very important for the running of a Muslim's life. Saccharomyces cerevisiae plays a major role in biotechnology, both traditional and modern such as in genetic engineering techniques. The purpose of this practicum is to find out how to make sticky rice tape and to determine the effect of yeast concentration on the level of sweetness of the sticky rice tape produced. These microbes have long been used in making long-lasting food. Examples of halal products include bread, tape and bioethanol. Meanwhile, haram products include intoxicating drinks such as sake. Modern biotechnology supports environmentally friendly bioethanol production.