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Boyolali is one of the districts in Central Java which is geographically located on two mountainous plains which are rich in natural potential. Cepogo subdistrict is part of Boyolali district which makes agriculture one of the main economic activities. As an effort to explore the economic potential hidden in leeks in Sumbung village, located in Cepogo sub-district, Boyolali Regency, training was held on making leek oil. Leek oil can be a high-value product with broad market potential. Leeks are used in cooking and have benefits for lowering cholesterol levels. The aim of this training is to improve the skills and knowledge of the Sumbung Village community in the leek oil production process and to initiate the development of new MSMEs in Sumbung Village. It is hoped that this training can help the community to utilize leeks more effectively and develop micro-enterprises at the household level.  

Cooking oil is an important basic ingredient in the frying process with the main function as a heat conductor, adding savory taste, increasing nutritional value, and heat of foodstuffs. If cooking oil is used many times it becomes less good for consumption, this is because the fatty acids contained will be more saturated and will change color Used cooking oil that has been used is called used cooking oil. Used cooking oil is oil that has been used more than two or three times frying, and is categorized as waste because it can damage the environment and can cause a number of diseases. So the use of used cooking oil is carried out by reprocessing it for the manufacture of solid soap. The participants of this activity were PKK mothers in one of the villages in Gresik, this activity consisted of discussions, demonstrations and direct practice. The results of this service activity show that community members are very enthusiastic about participating in this activity, as can be seen from the many questions they ask and their desire to participate in this activity. The practice and demonstration are intended to provide skills to the participants in determining the right formula in making laundry soap from used cooking oil. Once these activities take place, it is hoped that the development of the talents they have learned in the future will result in financial rewards.

This research aims to determine the effect of cooking oil prices on the income of sellers in the Mayang Mangurai Village, Jambi City. The method used in this research is a quantitative method with data collection through observation, questionnaires, interviews and documentation. The types of data used in this study are secondary and primary data. The number of samples in this study were 39 fried food sellers in the Mayang Mangurai Village, Jambi City. Data analysis using simple linear regression. From the research results obtained the regression equation as follows. Y = 37,457 – 0,877X means that the oil price variable has a positive and significant effect on the seller's income variable. This was also tested using the t test which can be seen from the t count 8,539 > t table 2.026 and a significance of 0.000 <0.05, which means that oil price X has a significant influence on the income of seller Y in the Mayang Mangurai Village, Jambi City. For the R2 determination test, the data processing results showed that the R2 value was 0,663, which means that the influence of the oil price variable and the seller's income variable was 63,3% and the remaining 37,7% was influenced by other factors not included in this study.

Candles are a source of light energy that is solid and has a wick that is easy to burn. Along with the times, the function of candles can also be used as a room deodorizer or aromatherapy. Making candles by utilizing waste cooking oil is an effort to reduce household waste. Pandan leaves as aromatherapy can be found easily in the yard. Training on the process of making pandan leaf aromatherapy candles was carried out targeting members of the PKK RT 01, RW 08, Banjarsari Village. This training was given considering that most of the residents are MSME actors in snacks that use cooking oil. The results of the study show the enthusiasm of PKK members to learn and it is hoped that this will generate additional income from the MSME sector

This study aims to determine the role of work motivation on the results of TBS PT Pinago Utama Musi Banyuasin district of South Sumatra province. Secondly to know the constraints and problems on the results of TBS employees in PT Pinago Utama Musi Banyuasin district of South Sumatra province. This research was conducted at PT Pinago Utama Kebun Inti 2 regency of Musi Banyuasin, South Sumatera Province which lasted for 1 (one) month from 1 December 2023 until January 10, 2024. The research method used is descriptive method. Research respondents were 66 people harvesting employees, 10 people harvesting mandates, 6 person division assistants calculated using Slovin formula. For a total of 82 people selected based on the technique by taking a selective person or object of research and have specific characteristics (purposive sampling). The instruments used are job satisfaction, work morale, reward, sanction, education, salary, and FFB result. Data analysis using cobb douglass regression analysis technique. The results of this study found that: first there was no significant effect of job satisfaction on FFB results. Second there is a significant influence of morale on the FFB result. The three significant effects of rewarding FFB outcomes. The four significant effects of sanctions on FFB outcomes. the five significant educational influences on TBS outcomes. The six significant effects of salary on FFB outcomes. Thus, job satisfaction is insignificant due to heavy workloads using BJR's system (average weighted weight) with fixed tonnage basis, but morale, reward, sanction, education, significant salary as firms pay attention to awarding in the form of rice and cooking oil and the appropriate salary UMR Musi Banyusian area.

Waste cooking oil becomes a health problem if consumed and causes damage to natural ecosystems if it is thrown into the environment. Utilizing used cooking oil waste into aromatherapy candles is an appropriate alternative. The aim of this activity is to reduce waste and increase the creativity of Family Empowerment and Welfare (PKK) women to create superior regional products. This activity consists of four stages, namely creation, testing, socialization, and experimental demonstration. The result of this activity is that it can provide change in the form of the emergence of an initiative by PKK women to produce products that have sales value and have benefits.

Used cooking oil is oil that has decomposed fatty acids at certain limits so that it becomes unfit for use. Used cooking oil is obtained from the process of cooking or heating food using oil repeatedly and at high temperatures. The behavior that is often carried out by the community is that after being used repeatedly, the used cooking oil will be immediately dumped into the ground, ditches, pipelines or waters. This can result in environmental pollution in the form of death of aquatic biota, organisms in the soil, closing soil pores, contaminating groundwater and even increasing COD and BOD in soil and water. This type of community service is classified as expert service, namely community service carried out by lecturers in accordance with their field of knowledge, in this case through training activities in the pursuit of waste cooking oil using practical methods. The results of this service increase knowledge of the physical characteristics of cooking oil damage, the dangers of repeated use of oil, knowledge of waste used cooking oil management, and increased knowledge of waste used cooking oil utilization

The use of cooking oil among the people is almost inseparable. people will tend to consume processed foods with oil. Sometimes the oil is not only used for frying, but is used as the main raw material in food. However, excessive use of cooking oil can stalk the health condition of the body. One way to reduce the oil contained in food is to use good appropriate technology. The oil slicing spinner used in the implementation of appropriate technology as an effort to reduce health risks in Karangan Village is by holding a spinner assembly. The results of the implementation of appropriate technology in the Karangan Village area by KKN-T Group 07 were that the tool was given to the PKK organization in Karangan Village. It is hoped that from this activity the people of Karangan Village will be able to find out the benefits of applying appropriate technology and be able to assemble independently which can later be used individually.

In the past year, the price of bottled oil has soared and its availability has become scarce. So that in its use, people use bulk oil instead of packaged oil and use it repeatedly. Repeated use of cooking oil can increase the value of the peroxide value. Peroxide number value in oil that is not in accordance with SNI 3741-2013 is 10 mek O2/ Kg indicates that the oil is damaged or rancid. This study aims to determine the value of peroxide value in bulk oil that is used repeatedly using the Iodometry method with two experimental repetitions. The results of this study prove that repeated frying can increase the peroxide value significantly. Peroxide number value in sample A1 = 9.82; A2 = 9.416; B1 = 15.95; B2 = 14.455; C1 = 20.41; C2 = 20.904; D1 = 4.969 ; D2 = 5.607 : E1 = 7.001 ; E2 = 7.676. Of the 5 samples tested, it was shown that there were samples B and C whose results exceeded the SNI 3741-2013 Standard, Sample A approached the maximum limit of the SNI 3741-2013 Standard, and Samples D and E were below the SNI 3741-2013 Standard. According to the survey, it was found that samples B and C were the cooking oil samples with the most frequency of frying successively 5 – 7 times. So it can be concluded that the more often the frying is done repeatedly, the higher the peroxide number value in the household used bulk cooking oil.

Minyak jelantah merupakan minyak yang dipakai secara berulang-ulang. Seringnya pemakaian minyak jelantah menyebabkan penurunan kualitas minyak seperti warna menjadi coklat dan timbulnya bau menyengat atau tengik yang berpotensi membahayakan kesehatan tubuh. Tujuan dari penelitian ini adalah mengidentifikasi potensi penambahan adsorben tempurung kelapa (Cocos nucifera) terhadap regenerasi minyak jelantah. Hasil penelitian ini didapatkan bahwa adsorben tempurung kelapa setelah dilakukan pengarangan dan aktivasi dapat meregenerasi minyak jelantah yang ditinjau dari berubahnya warna pada minyak jelantah yaitu menjadi lebih cerah atau kuning dan penurunan kadar asam lemak bebas atau FFA menurun hingga 75,73% dari kadar FFA minyak jelantah awal 1,03% menjadi 0,25%.

The aims of this study were 1) to determine the level of preference for the taste, aroma, texture and color of chocolate lava cake made from sorghum flour and cassava flour; and 2) knowing the composition of the chocolate lava cake ingredients based on sorghum flour and cassava flour which is the most preferred by the panelists. The methods used consist of library methods, experiments and hedonic tests. Result of the research to be explained descriptively. The results showed that the most preferred product by the panelists was 50% sorghum flour and 50% cassava flour. The average value of the product preference level is 4.73±0.81 (very like) for taste, 4.20±0.66 (very like) for aroma, 4.47±0.63 (very like) for texture and 4.73±0.58 (very much like) for color. The composition of chocolate lava cake is classified into the composition of the ingredients for the cake and the cake filling. The composition of the cake ingredients consists of 450 g dark cooking chocolate, 200 g brown sugar, 170 g olive oil, 50 g cocoa powder, 30 g sorghum flour, 30 g cassava flour, 20 g milk powder, 4 eggs, and ½  tsp baking powder. The composition of the cake filling ingredients consists of 200 g dark cooking chocolate and 15 g olive oil. It can be concluded, the selected product can be an alternative to healthy food products.

In their life, the people of Siwal Village cannot be separated from the use of oil. Moreover, the majority of Siwal Village residents work as food or fried food sellers on the roadside. Repeated use of cooking oil can have harmful effects on health. In addition, used cooking oil that can no longer be used is usually dumped in careless places and causes environmental pollution. Another problem in Siwal Village is the lack of skills of children due to the influence of gadgets. With these things in mind, training on how to process used cooking oil into an alternative material for making used used wax is one of the right solutions. Activities consist of a location survey, implementation, results and discussion. Implementation includes; 1) preparation 2) counseling 3) training 4) mentoring 5) evaluation 6) advanced stage training. All activities carried out online are able to improve children's skills and reduce environmental pollution due to used waste. Keywords: oil, used cooking, wax