Fragrant Lemongrass Research Articles

Empowerment of PKK Members in Utilizing Fragrant Lemongrass Oil as a Floor Cleaner Production Material in Sukasari Village, Seluma Regency, Bengkulu Province, 2023

The purpose of this activity is to increase the knowledge and skills of PKK members in Sukasari village in developing products from lemongrass oil. This can increase the selling value of lemongrass oil that has been produced, so that it can increase community income. The methods used were socialization, demonstration and self-assistance in making cleaners, packaging and labeling fragrant lemongrass floor cleaner products. At the socialization stage, participants received material and there was a discussion session. Participants were given a questionnaire to see their level of understanding of the material provided. After the participants were given counseling and demonstrations of product making, it was seen that there was an increase in the knowledge and skills of the participants in making these products independently. Also, it was seen that participants were interested in developing this product into a commercial product. The conclusion of this activity is that participants are able to produce this product independently. This product will be used for personal household needs and developed by the local BUMDes to become a commercial preparation.

A simulation‐guided tri‐spiral condenser design for enhancing lemongrass essential oil recovery

AbstractWe present a groundbreaking achievement in essential oil extraction, showcasing the development of a highly efficient tri‐spiral condenser for use in microwave‐assisted extraction (MAE) setups. This innovative condenser is specifically designed to swiftly cool vapors, optimizing oil yield during the MAE process. Our investigations demonstrate a notable improvement in oil purity, attributed to the expedited condensation facilitated by the tri‐spiral design. Traditional heat exchangers, like the Liebig condenser, fall short in efficiently handling the high vapor production rates of MAE. In response to this challenge, our tri‐spiral condenser design enhances condensation speed, resulting in a remarkable 12.2% increase in oil yield compared with the Liebig condenser (2.1% with tri‐spiral vs. 1.87% with Liebig), as validated by Gas Chromatography–Mass Spectrometry. Beyond elevating oil purity, our design holds promise for diverse applications requiring rapid cooling. This work not only advances laboratory practices but also contributes to the broader societal need for efficient and sustainable methods in the essential oil extraction industry.Practical applicationsThe innovative tri‐spiral condenser design, as elucidated in this article, presents significant practical applications, especially in the realm of lemongrass essential oil recovery. This breakthrough technology holds promise for the fragrance and cosmetics industries, where lemongrass essential oil is a valuable ingredient. The novel condenser design enhances extraction efficiency, leading to a higher concentration of essential oil with improved aromatic compounds. Cosmetic manufacturers can benefit from a more potent and fragrant lemongrass oil for skincare and aromatherapy products. Additionally, the pharmaceutical sector could leverage this advancement for developing therapeutic products harnessing the medicinal properties of lemongrass. By optimizing essential oil recovery, the tri‐spiral condenser design not only caters to the needs of the fragrance, cosmetic, and pharmaceutical industries, but also aligns with a broader trend towards sustainable and efficient manufacturing practices, ensuring the accessibility of high‐quality lemongrass essential oil for diverse applications.

Development of Vacuum Hydrodistillation Technology in Citronella Oil Distillation (Cymbopogonnardus) as an Effort to Improve The Economy of the People of Blang Poroh Village, Lhokseumawe

Fragrant lemongrass oil is one of the products of non-timber forest products (HHBK) and is commercially obtained from the distillation of the leaves of the citronella plant (Cymbopogonnardus). Fragrant lemongrass leaves are one of the raw materials to obtain vegetable oil in the form of essential oils. Essential oils are the main components consisting of geraniol and citronellal arrangements. The essential oil extract process can be done by various methods, one of which is the Vacuum Distillation method. The Vacuum Distillation Method is carried out using a vacuum pump as a pressure guard and the boiling point of the distillation process does not exceed the temperature of the boiling point of water, which is 1000C, so that the oil produced is maintained purity. The Vacuum Hydrodistillation Process of citronella is carried out for 3, 5, and 7 hours with each treatment using raw materials of random and whole cut sizes. The essential oil products produced are analyzed in the form of yield, density, refractive index and oil composition analysis with GC-MS. The best essential oil results from citronella were obtained under operating conditions with random cut samples and a distillation time of 5 hours. Where the yield produced is 0.17% with a refractive index of 1.41570 and a density of 0.92735 gr / ml.

Lemongrass Powder in Bio-Bs Effervescent Formulation of Lombok Island Local Isolate on Viability and Amount of Bacillus Sphaericus Toxin Crystal Protein for Control of Anopheles sp. Larvae

Bio Formula – BS effervescent (Bio- Bacillus sphaericus) is an Effervescent powder-shaped formula that is easy to use by the public. Lombok's local effervescent bio-BS isolated formula has a weakness in terms of smell. The results from the literature search that fragrant lemongrass has a distinctive smell and can kill Aedes aeygpti, but scientific data has not been obtained about the ability of fragrant lemongrass to kill Anopheles Sp in the form of larvae and mosquitoes. The study aimed to find out the effect of the combination formulation of Bio-BS Effervescent local isolate Lombok Island with the addition of lemongrass powder for viability and the amount of toxin crystal protein Bacillus sphaericus. This research method is exploratory and experimental in the laboratory with the design of Post Test Only Control Group Design. The study used six treatment formulations. Samples of Anopheles sp larvae research in Batu Layar lagoon, West Lombok regency and pelur lagoon in Peringgesela, East Lombok regency and from the results of colonization of larvae. The independent Variable is a combination formulation of Bio-BS Effervescent isolated locally from Lombok Island with the addition of fragrant lemongrass powder. The dependent variable is the mortality of Larvae Anophels Sp, Viability of B. Sphaericus, and Amount of Toxin Protein Production of B. Sphaericus. The larvae death rate, the concentration of cells/endospores, and the number of repeats in each container are then tabulated and analyzed using Probit Analysis with the help of MINITAB 16 software. B. sphaericus viability data and the amount of endospore toxin protein crystal production were descriptively analyzed.

Authentication of Lemongrass Oil By Gas Chromatography-Mass Spectroscopy (GC-MS) Combination Chemometrics

The addition of something foreign to lemongrass essential oil has been done since ancient times. One way is to add turpentine oil which aims to increase the volume and grade of the smell. The purpose of this study was to determine the authentication of citronella oil using the gas chromatography-mass spectrometry (GC-MS) method combined with multivariate PCA analysis. Fragrant lemongrass oil was isolated by distillation of water and using simplicia in the form of powdered dried Cymbpogon citratus leaves. The oil obtained was treated with anhydrous Na2SO4. The results of the characteristics and quality requirements of citronella oil are compared with the SNI. The results of GC-MS analysis were the relative levels of essential oils. The results of the characteristic test meet the quality requirements of SNI 06-3953-1995, except for the yield requirements. The results of analysis by GC-MS, the essential content of citronella oil was citronella (37.47%), geraniol (25.03%), trans-caryophilene (3.69%), citronellol (11.68%), and delta cadinene. (2.44%). Chemometric principle component analysis (PCA) can group samples of fragrant lemongrass oil, turpentine oil and lemongrass oil products on the market.

Improving the performance and physical condition of the intestines of the Lohman MB202 broiler chicken intestine by using fermented local herbs

This research was conducted to find alternative antibiotics using local microorganisms which are expected to act as probiotics in the digestive tract. The local microorganisms used came from 3 types of herbs from 3 types of land. Crown flowers represent coastal land, ferns represent plantation land and lemongrass represents highland land. This study used an experimental method using a completely randomized design (CRD) with 5 treatments and each treatment had 4 replications (each replication contained 200 chickens). Treatment T1 water, T2 fermented crown flower, T3 fermented fern, and T4 fermented fragrant lemongrass each as much as 2 ml/liter of drinking water. The parameters measured were the performance and gut physical (village height and gut histology) of broiler chickens. Performance is body weight, weight gain, ration consumption, ration efficiency, performance index, and mortality. While the physical condition of the intestine is in the form of villi height and intestinal histology. The results showed that fern as a fermented herb significantly increased the performance index and improved the condition of the intestinal villi. However, the low mortality was significantly indicated by the fermented crown flowers. In conclusion, local fermented ferns have the potential as local microorganisms to replace the role of antibiotics because they can improve the performance and condition of the digestive tract of broiler chickens.

Model Usahatani Integrasi Tanaman Sereh Wangi Menjadi Minyak Atsiri dan Ternak Sapi di Kabupaten Ogan Ilir

This study aims to identify the farming model and calculate the Financial Feasibility of the integration of Citronella and cattle in the Ogan Ilir Regency. The location determination was carried out purposively because in this district there is a community business of Citronella Oil Refining combined with cattle business (plant - livestock integration) in Indralaya District, Ogan Ilir Regency. The research method is a case study, the first objective is identified and then described in a diagram and descriptive manner. the second objective is analyzed mathematically by calculating the BC/RC Ratio, Payback Period, NPV, and IRR. The Integration Model of Citronella Plants and cattle is an integrated farming model, a business model that is interrelated with each other, where the waste from the Citronella plant can be utilized, as well as cow dung. Based on the financial feasibility analysis, the Gross B/C value produced is 2.07 and the Net B/C is also 2.30. The resulting Payback Period value is 4 years, BEP (kilogram) is 503.69 kg and BEP (Rupiah) is Rp. 125,923,822, while based on the feasibility analysis of cattle business in Ogan Ilir Regency, the Gross B/C value obtained is 1, 44, and Net B/C of 1.44. The resulting Payback Period value is 2.2 years, BEP (unit) is 33 heads and BEP (Rupiah) is 294,160,182, - So it can be concluded that fragrant lemongrass farming and cattle farming are financially feasible.Keywords: Feasibility, Financial, Integration, Lemongrass, Model.

Strategi Penghidupan Berkelanjutan Masyarakat Berbasis Aset dalam Budidaya Serai Wangi di Desa Kedungrandu, Kecamatan Patikraja, Kabupaten Banyumas

<p><em>The aims of the study is to find out the sustainable livelihood strategy of asset-based communities in Kedungrandu Village, Patikraja Sub-district, Banyumas Regency. This research uses quantitative descriptive methods. The population in this study is a fragrant lemongrass farmer from Kedungrandu Village, with a total of 40 people. The data collection method uses the census method of 40 fragrant lemongrass farmers. Data analysis uses descriptive statistics. The results showed that the livelihood strategy of fragrant lemongrass farmers includes three strategies: intensification/extensification, diversification and migration. The livelihood strategy implemented by most of their farmers depends on agricultural activities (47.5%), some depend on livestock, fisheries, services, trade and employee activities or diversification (27.5%) and a small percentage (25%) depends on migration activities. The value of the level of livelihood capital of fragrant lemongrass farmers in Kedungrandu Village, namely human capital, natural capital, physical capital, financial capital and social capital is classified as a moderate level of sustainability. Therefore, efforts are needed to improve the quality of livelihood capital of fragrant lemongrass farmers to the maximum at a high level of sustainability.</em></p>

EFFECTS OF VARIOUS PLANTING MEDIA AND LIQUID ORGANIC FERTILIZER (POC) ON THE GROWTH OF ROBUSTA COFFEE SEEDS (Coffea Robusta L.)

Efek berbagai media tanam dan pupuk organik cair terhadap pertumbuhan bibit kopi robusta (Coffea robusta L.). Penelitian dilaksanakan selama 12 minggu (3 bulan) terhitung bulan Maret – Juni 2020. Penelitian dilaksanakan di Kebun Percobaan Agroteknologi Universitas Widya Gama Mahakam Samarinda. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) Faktorial dengan 2 faktor dan di ulang sebanyak 3 kali. Faktor pertama ialah Media Tanam (M) yang terdiri dari 4 taraf yaitu, M1 = Tanah, M2 = Tanah+Sekam Padi (2:1), M3 = Tanah+Serbuk Kayu (2:1), M4 = Tanah+Sabut Kelapa (2:1). Faktor kedua ialah Pupuk Organik Cair (P) terdiri dari 3 taraf yaitu : P0 = Top soil (kontrol), P1 = POC Air Limbah Tahu Sereh Wangi 50% (ALTSW) (500 ml ALTSW + 500 ml air), P2 = POC Ekstrak Daun Gamal (EDG) (500 ml EDG + 500 ml air). Keluaran yang diharapkan adalah Memberikan informasi tentang media tanam yang terbaik untuk pertumbuhan bibit kopi Robusta bagi masyarakat. Memberikan informasi tentang pupuk organic cair yang terbaik untuk pertumbuhan bibit kopi Robusta bagi masyarakat.
 Keywords: Daun Gamal, Limbah Ampas Tahu, Serbuk Kayu

Pemanfaatan Daun Serai Wangi (Cymbopogon winterianus Jowitt ex Bor) Sebagai Obat Kumur untuk Mencegah Karies Gigi dan Sariawan

The leaves of the fragrant lemongrass plant (Cymbopogon winterianus Jowitt ex Bor) is traditional medicine. The purpose of this study was to identify the effectiveness of fragrant lemongrass leaves as a mouthwash to prevent dental caries and cancer sores. Fragrant lemongrass leaves were extracted using the maceration method. It was consisted of three repetitions with the ethanol extract concentration of 10%, 20%, 30%, 40% and 50% fragrant lemongrass leaves with the disc diffusion method which the best concentration was treated to be mouthwash formulation. The results showed that fragrant lemongrass leaf extract provided an effective inhibition zone for Streptococcus mutans at concentrations of 30% (14.3 mm) and 40% (15.46 mm). In Candida albicans with a concentration of 30% (14.28 mm) and 40% (15.46 mm). The mouthwash preparation of fragrant lemongrass leaf extract at 30% FI concentration and 40% FII concentration gave satisfactory inhibition zone diameter results which was greater than 14 mm. The results of the T test showed that FI and FII results were significant differences with fragrant lemongrass leaves extract with antibacterial activity against Streptococcus mutans (Sig. = 0.003), and antifungal reaction against Candida albicans (Sig= 0.001). Fragrant lemongrass leaves is effective to be formulated in mouthwash preparations.

KARAKTERISTIK MINYAK SEREH WANGI DARI DAERAH ISTIMEWA YOGYAKARTA

The market needs will be fragrant citronella oil increases, but it is not worth the production and quality of fragrant Lemongrass oil is produced. The purpose of this study, that is, to figure out the best combination of sources of raw materials and factors of the size of the craftmanship the leaves against the yield and quality of fragrant citronella oil. Research design used was Random Complete Factorial Design, using two combination treatment that is the source of the raw material and the size of the craftmanship leaves. The observed parameters include: color, yield, citronellal, citronellol and geraniol. The results of this study indicate that the color of the resulting eligible SNI 06-3953-1995 that is pale yellow to yellow-brown. Combination treatment of the source of the raw material and the size of the leaf is very different from real craftmanship against yield oil of citronella scented with the highest average on the source of raw material for the village of Wedomartani, craftmanship and size of 0.93% leaves 10 cm that is 0.94%. Chemical content of citronellal shows that the source of the raw material and the size of the different leaf craftmanship not real. Chemical content of citronellol and of the raw materials sources that geraniol very different real, whereas the size of different leaf craftmanship not real. The average content of chemical sitronellol and geraniol at the source of the raw materials of the highest village of Kebonharjo, the content of citronellol 13.11% and geraniol content 34.84%. 
 Key words: raw material sources, treatment, quality of citronella oils

Uji Standar Mutu Sabun padat transparan minyak atsiri sereh wangi ( Cymbopogon nardus L )

Transparent solid soap is a bar-shaped soap with a transparent appearance, resulting in a softer foam on the skin and appearance is more shiny than other types of soap. Soap quality standards are needed to determine the quality of soap. This research aims to find out the quality standards of soap formula whether it meets SNI standards. Quality standard tests from the study were taken from transparent soap formulations using the active substances of fragrant lemongrass essential oil on a VCO basis made by the watering method (Fx). Evaluation of the quality standards of transparent solid soaps of fragrant lemongrass essential oil (Cymbopogon nardus L) is a free alkaline test, pH test, water content test using a comparison soap containing essential oils circulating in the market (Fy). Quality standard test results on the Fx and Fy formulas are on the verge of pH 9-11 meeting SNI standards. While the results of fx and Fy formula testing on water content testing > 15% and alkali free > 0.1% so it does not meet SNI standards. So the transparent solid soap formula of fragrant lemongrass essential oil (Cymbopogon nardus L) has not met the required SNI standards.

ANALISIS SIFAT KIMIA TANAH DAN KANDUNGAN MINYAK SERAI WANGI (Cymbopogon winterianus Jowitt ) DISERTAI UJI HEDONIK YANG DIPRODUKSI OLEH KELOMPOK TANI KARYATANI DESA SIDORUKUN, KECAMATAN PANGKATAN, KABUPATEN LABUHANBATU

Fragrant lemongrass (Cymbopogon winterianus Jowitt) is one of the volatile oil-producing plants With high economic value, about 80% of citronella oil produced by Indonesia is exported to various countries. Citronella oil is multi-useful in the pharmaceutical industry and in the perfume industry as a fragrance in various perfumed oil products. This study aims to determine the chemical properties of the soil in the field of citronella farmer group, Sidorukun Village, to determine the citronellal content, oil content and specific gravity of citronella oil meet the requirements set out in the Indonesian National Standard (SNI). And the hedonic test to find out the community's response to citronella oil. This research was carried out from March 2021 to May 2021. The results of the analysis of chemical properties in 2 different locations showed that low soil chemical properties affected the growth and yield of citronella. The analysis of citronella oil showed that the citronella content, oil content and specific gravity of citronella oil (Cymbopogon winterianus Jowitt) produced by the Karyatani Farmers' Group in Sidorukun Village were 41.32%, 0.87% and 0.8881, respectively. This shows that the citronellal content of min 35%, oil content of 0.60% and specific gravity of 0.880-0.922 has met SNI 06-3953-1995, the duration of distillation is an important factor for the high yield of citronellal content, oil content and specific gravity. The hedonic test showed that the color of citronella oil was very liked by the panelists, as well as the smell of citronella oil, the panelists liked it and the taste of citronella oil when applied to the panelists' skin, they liked it and some thought it was normal.Key words: Essential Oils, Citronella, Soil Chemical Properties, Hedonic Test

EXTRACTING ESSENTIAL OIL FROM FRAGRANT LEMONGRASS PLANTS BY STEAM-HYDRO DISTILLATION METHOD USING MICROWAVE AS A HEATER

This research studies the process of extracting citronella oil by the steam-hydro distillation method with microwaves (microwave). In addition, study the effect of temperature (105 ͦ C, 110 ͦ C, 115 ͦ C) and the size of the material enumeration (0.5 cm; 1 cm; 1.5 cm) on the yield of oil produced. This research was conducted by the steam-hydro distillation method. In this method a solvent is added in the form of water to dissolve the oil in the fragrant lemongrass stems and leaves. The resulting steam is condensed and then distillate in the form of a mixture of oil and water is taken after 120 minutes and separated using a separating funnel. From the results of the study, it was found that the% yield of high citronella oil in the variable size of the enumeration material was 0.5 cm at a temperature of 115 with a yield of 1.92%. The content of Citronella obtained in the oil of this research is 59.28%. The density of lemongrass oil is 0.875. The refractive index value is obtained in the range of 1.46735- 1.46925.Keywords : Essential Oil, Fragrant, Steam-hydro Distilation, Microwave

PENGEMBANGAN PLASTIK WRAP (PLA-PCL) RECYCLABLE DENGAN PENAMBAHAN MINYAK SEREH WANGI SEBAGAI AGEN ANTI BAKTERI

Research on the development of plastic wrap cellulose nanocrystals (CNC) aims to study the elasticity and anti-bacterial properties of the plastic produced. Functionally, CNC is needed to increase the dispersion of the nanofiller in the polymer matrix and influence the final properties of the nanocomposites. The method used for the particle dispersion process is the grafting method. This method integrates the chemical structure of the monomer grafted onto cellulose which will affect the properties of grafted cellulose such as hydrophilic and hydrophobic characters, increased elasticity, absorption of dyes and water, the ability to exchange ion and heat resistance. Another material added is Poly ε-caprolactone (PCL) because it is an interesting biodegradable polymer and has been widely used because it increases the flexibility of PLA, avoids the effect of plasticizers during processing and avoids the phenomenon of migration. The novelty of this research is the addition of fragrant lemongrass oil as an anti-bacterial agent. Chemical components such as geraniol and linalol are the main components that act as anti-bacterial agents based on positive and gram-negative bacterial tests using Bacillusubtilis, Staphylococcus epidermidis, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumonia and Escherichia coli. To determine the final properties of the product in the form of recyclable plastic wrap, mechanical tests such as thermal resistance (TGA), XRD, tensile strength and SEM were performed. The results of these tests will be used as parameters prior to their application in the extractive industry.Keywords— Citronella, Plastic, PLA, PCL, Plasticizer

Characteristic and quality microbiology solid soap citronella oil with the addition of Lactobacillus brevis

Lactic acid bacteria have the potential as probiotic candidates, where probiotics provide many benefits for humans and animals. The use of probiotics in the formulation of fragrant Citronella oil (Citronella oil) soap is expected to kill the pathogen E. coli and S. aureus commonly found on the skin’s surface. This study aimed to determine the addition of lactic acid bacteria in the formulation of fragrant lemongrass soap. Besides, cow’s milk in the formulation aims as a prebiotic for probiotic bacteria during the saponification of solid soap. The method used was a randomized block design with five treatments (A = 0ml, B = 2ml, C = 4ml, D = 6ml and E = 5ml) with each of the four treatments. The addition of Lactobacillus brevis NRC0138 in the formulation of fragrant Citronella oil soap affects the soap’s pH value, moisture content, foam power, and antimicrobial activity. L. brevis can survive in an alkaline atmosphere with an initial pH of 14 and the saponification process for 14 days because strain-dependent to survive and adapt to environmental conditions.

Utilization of waste from refined lemongrass for producing mosquito repellent

Because of its geographical location, South Aceh Regency has many natural resources, one of which is fragrant lemongrass. As it is known, citronella is processed and produced into essential oils. In the production process, waste is produced in the form of solid waste and liquid waste. Usually, the waste is left and becomes a problem for the environment around the distillery. The purpose of this study was to make a mosquito repellent by utilizing citronella processing waste. This research is using the experimental method. This experimental method examines the effect of certain treatments on others under certain conditions. Three samples will be tested for combustion. The results of this study from each sample with a variable initial burning time. The first test kills mosquitoes. The durability of mosquito repellent is sample 3 is the best sample for making mosquito repellent from the use of citronella distillation waste seen from the burn test. The conclusion from this study, the waste produced by citronella distillation can be used as a basic ingredient in making mosquito repellent because there are active compounds contained in citronella waste capable of killing mosquitoes.

Post Harvest Corn Handling for Improving Quality and Competitiveness

The awareness and knowledge of postharvest losses at the farm level is still very low, so it is necessary to conduct research to determine the application of postharvest technology at the farm level. The research was conducted from January to December 2017 in Minahasa, North Minahasa and South Minahasa districts. The results of the study showed that each stage of postharvest treatment varied from 5% of conventional and 1.92% of introduced technology. The use of postharvest BB shelling tools with an operating time of 9 minutes/100 kg with an operational cost of 187,800 IDR/ha, results in a loss of yield of about 0.8%, peeled corn sheller with an operating time of 10.25 minutes/100 kg and an operating cost of 213,400 IDR/ha lost yield of 0.95%, compared to traditional shelling tools with an operating time of 130 minutes/100 kg and operational costs of 1,354,100 IDR/ha, yield loss of 0.2% lower but high labor costs. The use of a dryer with a capacity of 3 - 4 tons with a drying time of 12-17 hours can save the labor cost of 2 working days (200,000 IDR) when compared to a sun dryer, the yield loss is 0.1-0.2%. Dry shelled maize, rice, and corn bran stored for 3 months have not experienced a significant change in moisture content, with the control treatment, the use of zeolite, activated charcoal, quicklime, turmeric powder and fragrant lemongrass powder. The use of activated charcoal and zeolites can inhibit changes in moisture content and the growth of Sitophilus zeamais.

RANCANG BANGUN ALAT PENGADUK SABUN CAIR BAHAN BAKU MINYAK SERAI WANGI

The process of making liquid soap from citronella oil is an interesting thing to know. This study aims to design, create, test and analyze the time and rpm rotation of the most efficient liquid soap mixer machine. Soap is an alkaline local salt (usually a potassium salt) of fatty acids, mainly containing C16 salt (palmitic acid) and C18 (stearic acid) but can also contain several carboxylates with lower atomic weights (Fessenden, 1994 and Ketaren, 1986). Traditionally, lemongrass is used as a flavor generator in food, drinks and traditional medicine (Wijayakusumah, 2002). Fragrant lemongrass is also used as a flavor generator used in spicy sauce, fried chili sauce, chili paste and fish sauce (Oyen, 1999). Data collection observed were device capacity, yield. From the results of the study, the effective capacity of the equipment was 397.1 L / hr. 
 
 Keywords: liquid soap, citronella oil, effective capacity of the tool, yield.

RANCANG BANGUN ALAT PENGADUK SABUN CAIR BAHAN BAKU MINYAK SERAI WANGI (IN PRESS)

The process of making liquid soap from citronella oil is an interesting thing to know. This study aims to design, create, test and analyze the time and rpm rotation of the most efficient liquid soap mixer machine. Soap is an alkaline local salt (usually a potassium salt) of fatty acids, mainly containing C16 salt (palmitic acid) and C18 (stearic acid) but can also contain several carboxylates with lower atomic weights (Fessenden, 1994 and Ketaren, 1986). Traditionally, lemongrass is used as a flavor generator in food, drinks and traditional medicine (Wijayakusumah, 2002). Fragrant lemongrass is also used as a flavor generator used in spicy sauce, fried chili sauce, chili paste and fish sauce (Oyen, 1999). Data collection observed were device capacity, yield. From the results of the study, the effective capacity of the equipment was 397.1 L / hr. Keywords : liquid soap, citronella oil, effective capacity of the tool, yield .