scholarly journals Penyulingan Minyak Atsiri Sereh Dapur (Cymbopogon Citratus) Dengan Metode Penyulingan Air-Uap

2016 ◽  
Vol 1 (1) ◽  
pp. 1009-1016
Author(s):  
Zaituni Zaituni ◽  
Rita Khathir ◽  
Raida Agustina

Abstrak. Minyak atsiri sereh dapur diperoleh dari hasil penyulingan tanaman sereh dapur. Minyak sereh dapur merupakan sumber sitral yang merupakan konstituen utama dari minyak tersebut. Penelitian ini bertujuan untuk mengetahui mutu minyak atsiri yang dihasilkan dengan metode penyulingan air-uap (water and steam destillation). Bagian tanaman sereh dapur yang digunakan yaitu bagian batang dan daun yang disuling menggunakan alat penyulingan air dan uap.  Hasil penelitian menunjukkan bahwa rendemen minyak atsiri sereh dapur dari penyulingan bagian daun diperoleh sebesar 0,399 % 10 kali lipat lebih besar dari rendemen minyak atsiri sereh dapur pada bagian batang (0,039 %). Bobot jenis minyak atsiri sereh dapur pada daun 0,8987 dan pada batang 0,8940. Indeks bias minyak atsiri sereh dapur pada daun 1,4876 dan pada batang 1,4880. Kelarutan dalam alkohol 70% minyak atsiri sereh dapur dari daun dan batang mempunyai tingkat kelarutan keruh pada perbandingan 1:5. Berdasarkan rendemen dapat disimpulkan bahwa bagian yang lebih menguntungkan untuk disuling adalah daun. Berdasarkan parameter mutu yang dianalisis dapat disimpulkan bahwa minyak atsiri sereh dapur dari bagian batang dan daun sudah memenuhi standar Essential Oil Association (EOA).The Destillation of Lemongrass Essential Oil by Using the Water-steam Method Abstract. Lemongrass essential oil is obtained from the distillation of lemongrass plant. The main content of this oil is sitral content. This study aimed to determine the quality of essential oil produced by the method of water-steam destillation. The experiment was done by water-steam destillation of stalks and leaves of lemongrass, respectively, under 3 repeatations. Lemongrass essential oil obtained from leaves was 0,399%, which is 10-fold greater than the yield of the stalks (0,039%). The specific gravity of Lemongrass essential oil obtained from leaves was 0,8987 where as the specific gravity of Lemongrass essential oil obtained from stalks was 0.8940. The refractive index of lemongrass oil obtained from  leaves was 1.4876 while the refractive index of lemongrass oil obtained from stalks was 1.4880. Based on solubility in 70% alcohol test, lemongrass essential oil obtained from the leaves and stalks were a little bit cloud at a ratio of 1: 5. Based on its yield, it can be concluded that the leave plant produced more oil. However, the quality of both oils showed that lemongrass essential oil met the EAO Standard.

2021 ◽  
Vol 10 (2) ◽  
pp. 51-57
Author(s):  
Venitalitya A. S. Augustia ◽  
Naufal Charfadz ◽  
Rizki Akbar ◽  
Diana

Lemongrass, one type of source of essential oils, is widely cultivated in Indonesia. There are several methods for extracting the essential oils from lemongrasses, such as hydro-distillation, steam distillation, soxhlet extraction, extraction with supercritical fluids, ultrasonic extraction, and microwave-assisted hydro-distillation. In this study, microwave-assisted hydro-distillation was used as the extraction method. The purpose of this study was to determine the effect of extraction time (60 minutes, 75 minutes, and 90 minutes), lemongrass/solvent ratio (1:4 g/mL and 1:5 g/mL), and microwave power (500 watt and 600 watt) on quantity and quality of lemongrass essential oil. The essential oils obtained were analyzed in the form of calculation of the essential oil density, yield, and GC-MS analysis. The results of the analysis showed that the density of the extracted lemongrass oil ranged from 0.880 g/mL – 0.920 g/mL at a temperature of 30 oC, with the highest yield ranging from 0.0044% – 0.0046% in samples with a material/solvent ratio of 1:5 g/mL. The components found in lemongrass oil were Z-citral, geranyl acetate, geraniol.


2018 ◽  
Vol 13 (2) ◽  
pp. 1-9
Author(s):  
Ambar Tri Ratnaningsih ◽  
Enny Insusanty ◽  
Azwin Azwin

 Forest harvesting waste in the form of Ecalyptus pellita leaves can be utilized to be essential oil by distillation process. The research aimed to 1) to know the effect of duration of leaf storage on yield and quality of essential oil produced, 2). Comparing the quality of E.pellita leaves essential oil with eucalyptus oil according to SNI. Methods taken by taking E. pellita leaf waste were then stored for 1,2,3,4,5 and 6 days then steam distillation and measured rendemen, specific gravity, sineol content and refractive index. The average oil yield of E.Pellita is 0.15% with the highest yield of 0.4593% in leaves stored for 3 days. The best essential oil quality comes from leaves that have been stored for 3 days with specific gravity of 0.9186, 60% sineol content, refractive index 1.4603 and 80% alcohol solubility by 1: 1.


2016 ◽  
Vol 1 (1) ◽  
pp. 1069-1076
Author(s):  
Hasmayani Hasmayani ◽  
Rita Khathir ◽  
Mustafril Mustafril

Abstrak. Minyak atsiri jahe merah merupakan salah satu komoditas dari hasil budidaya jahe merah. Jenis minyak ini didapatkan dengan cara penyulingan jahe merah yang berumur sekitar 10 bulan hingga 1 tahun. Penelitian ini bertujuan untuk mengetahui kajian pengkondisian bahan baku terhadap rendemen dan mutu minyak atsiri yang dihasilkan dari penyulingan jahe merah. Pengkondisian bahan baku jahe merah dilakukan dengan 2 taraf yaitu jahe merah segar dan jahe merah yang dikeringanginkan selama 24 jam dengan 2 kali ulangan. Hasil penelitian menunjukkan bahwa rendemen  minyak atsiri dari penyulingan jahe merah segar diperoleh 0,0705%, sedangkan rendemen pada penyulingan jahe merah dikeringanginkan 0,0435%. Hasil Nilai indeks bias minyak atsiri  jahe merah segar diperoleh sebesar 1,4885 sedangkan nilai indeks bias jahe merah dikeringanginkan diperoleh sebesar 1,4885. Nilai  bobot jenis minyak atsiri pada penyulingan jahe merah segar diperoleh sebesar 0,90423 dan bobot jenis minyak atsiri jahe merah yang dikeringanginkan sebesar 0,89679. Kelarutan dalam alkohol minyak atsiri jahe merah segar dan jahe merah dikeringanginkan jernih pada perbandingan 1:5.The study of raw material conditioning to the quality of the red ginger essential oil Abstract. Red ginger essential oil is one commodity from the cultivation of red ginger. These types of oils obtained by distillation of red ginger have old after 10 months to 1 year cultivation. This study aimed to determine the effect of raw materials conditioning to the yield and quality of essential oils produced. The raw materials conditioning  red ginger is done with two levels i.e fresh red ginger and air-dried red ginger about  24 hours under 2 repeated. The results showed that the yield of essential oil obtained by distillation of fresh red gingerwas  0.0705%, while the yield on the distillation of air- dried red was ginger 0.0435%. Refractive index value of red ginger essential oil from fresh  material was 1.4885  while  the refractive index of air-dried red ginger driedwas 1.4885. Furthermore, the specific grafity of  at the distillation of fresh red ginger obtained at 0.90423 and the specific gravity of red ginger essential oil is dried at 0.89679. Solubility in alcohol red ginger essential oil of fresh and dried red gingerwere clearly at a ratio of 1: 5. 


2020 ◽  
Vol 9 (2) ◽  
pp. 72-80
Author(s):  
Rini Yanti ◽  
Hermina Nurdiawati ◽  
Muhammad N Cahyanto ◽  
Yudi Pranoto

Aspergillus flavus and A. parasiticus are food spoilage fungi and produce aflatoxin that causes serious food safety problems. The antifungal agent is needed to control these fungi. This study aimed to determine the component of lemongrass essential oil and to test the oil’s ability to inhibit the growth of A. flavus and A. parasiticus. Five variations in the concentration of lemongrass oil were tested separately on A. flavus and A. parasiticus and, fungal growth was observed for 7 days. The results of the identification of the essential oil components using GC-MS showed that lemongrass essential oil has the main components of citral (53.77%) and z-citral (34.05%). Lemongrass essential oil with various concentrations (0.01%; 0.02%; 0.04% and 0.08%) showed the ability to inhibit the growth of A. flavus and A. parasiticus and the concentration of 0.08% indicated that lemongrass oil could inhibit the growth of both fungi for 100% during 7 days of observation. Keywords: antifungal, aflatoxin, citral, essential oil, lemongrass oil   ABSTRAK Aspergillus flavus dan A. parasiticus merupakan jamur yang banyak ditemukan mengkontaminasi pangan. Kedua jamur tersebut menghasilkan aflatoksin, yang berbahaya bagi kesehatan manusia, sehingga diperlukan anti-jamur untuk mengendalikan pertumbuhannya. Penelitian ini bertujuan untuk mengetahui komponen minyak atsri serai (Cymbopogon citratus) dan menguji kemampuan minyak tersebut sebagai penghambat pertumbuhan A. flavus dan A. parasiticus. Lima variasi konsentrasi minyak serai diujikan secara terpisah pada A. flavus dan A. parasiticus dan dilakukan pengamatan pertumbuhan jamur selama 7 hari. Hasil identifikasi komponen minyak atsiri menggunakan GC-MS menunjukkan bahwa minyak atsri serai memiliki komponen utama citral (53,77%) dan z-citral (34,05%). Minyak atsiri serai dengan berbagai konsentrasi (0,01%; 0,02%; 0,04% dan 0,08%) menunjukkan kemampuan menghambat pertumbuhan A. flavus dan A. parasiticus dan konsentrasi 0,08 % menunjukkan bahwa minyak serai mampu menghambat pertumbuhan kedua jamur sebesar 100 % selama 7 hari pengamatan Kata kunci: antijamur, aflatoksin, minyak atsiri, minyak serai, sitral


Processes ◽  
2020 ◽  
Vol 8 (1) ◽  
pp. 40 ◽  
Author(s):  
Nguyen Phu Thuong Nhan ◽  
Vo Tan Thanh ◽  
Mai Huynh Cang ◽  
Tri Duc Lam ◽  
Nguyen Cam Huong ◽  
...  

The purpose of this study was to attempt the encapsulation of lemongrass (Cymbopogon citratus) essential oil utilizing spray drying technique. An array of process parameters including concentration of wall (15–30%), type of wall materials (maltodextrin, maltodextrin and gum Arabic mixture), and concentration of essential oil (0.5–2.0%) were thoroughly investigated. The results show that the use of sole maltodextrin as encapsulant gave microcapsules characteristics comparable to that of powder produced using maltodextrin and gum Arabic mixture. The encapsulation process that was performed with maltodextrin at the concentration of 30% as wall material and lemongrass essential oil at the concentration of 1.5% as core material showed highest drying yield (84.49%), microencapsulation yield (89.31%) and microencapsulation efficiency (84.75%). Encapsulated essential oils retained most of their major constituents in comparison with the bare essential oils without any significant compromise in product quality.


Author(s):  
Sachin . ◽  
Vijay Kumar Singh ◽  
M. K. Garg ◽  
Amarjit Kalra ◽  
Sushant Bhardwaj ◽  
...  

In the study, essential oil extraction from turmeric was carried out using modified microwave distillation system and rotary evaporator unit. In present study, effect of input parameters i.e. microwave power (200, 250, 300, 350 and 400 W) and extraction time (10, 15, 20, 25 and 30 min.) on physical properties (oil yield, specific gravity, refractive index and colour) of essential oil were studied. Fixed ratio samples (1:1:1) i.e. turmeric powder, solvent and distilled water was used during the experiment conducted. Essential oil yield using hexane varied from 1.895% to 4.973% while from 0.180% to 1.226% using petroleum ether solvents. Quality parameters varied i.e. specific gravity from 0.910 to 0.923, refractive index from1.478 to 1.506, colour values for oil ranges L* from 70.60 to 98.60, a* from –25.60 to 15.1 and b* from 82.1 to 88.5. Optimum values of process parameters for maximum oil recovery (4.973%) and best quality of oil (specific gravity: 0.915; refractive index: 1.485) was found at microwave power 300 W and extraction time 20 min.


2021 ◽  
Vol 2126 (1) ◽  
pp. 012024
Author(s):  
P H Abram ◽  
W Putri ◽  
S Nuryanti ◽  
S M Sabang

Abstract Patchouli oil comes from Tinombala village which has never been tested for the Indonesian National Standard (SNI). The purpose of this study was to determine the quality of patchouli oil by characterizing parameters of physical and chemical properties including color, refractive index, specific gravity, solubility in alcohol, acid number, ester number, iron content (Fe), and patchouli alcohol and alpha copaene content.. Sampling was done by random sampling. The results show a specific gravity of 25/25oC sample A = 0.9564, B = 0.9658, and C = 0.9590, refractive index (nD20) sample A = 1.5111, B = 1.5085 and C = 1.5086, the solubility in alcohol using ethanol of the three samples is >1:10 while using methanol 1:10, the acid number of the sample A=21.0375, B=9.1162 and C=19.6350, the ester number of the sample A=28,05, B=21.04 and C=21.04, iron (Fe) content of sample A=1.84210 mg/L, B=0.186842 mg/L and C=6.78950 mg/L, patchouli content alcohol sample A=,16,96%, B=15,52% and C=14,55% and for alpha copaene not detected. The results showed that the quality of patchouli oil in Tinombala village did not meet the Indonesian National Standard (SNI). Only the specific gravity, refractive index, and iron content are by the quality requirements, while the acid number and ester number and the main component determining the quality of patchouli oil, namely the patchouli alcohol content are still below the Indonesian National Standard, which is below 30%.


2021 ◽  
Vol 20 (1) ◽  
pp. 23-29
Author(s):  
Opstaria Saptarini ◽  
Ismi Rahmawati

Kaffir lime leaves essential oil has activity to inhibit bacterial growth. The mechanism of the inhibition is thought to be located in thebacterial cell wall. This study aimed to determine the antibacterial work location of kaffir lime leaf essential oil against Staphylococcus aureus ATCC 25923. Kaffir lime leaves were distilled by steam distillation, essential oils obtained were identified by organoleptic quality, evaporation, solubility in alcohol, refractive index and specific gravity. The results were compared under with the literature. The results of essential oils were made with various concentrations of 100, 50, 25, 12.5, 6.25, 3.13, 1.56, 0.73, 0.39, and 0.20%. The results of the concentration series were tested for antibacterial activity with the macrodilution method followed by the determination for the location of bacterial growth inhibition using the Scanning Electron Microscope (SEM). The yield of kaffir lime leaf essential oil was 0.82%. The observation of organoleptic essential oil has a light yellow color, the distinctive odor of kaffir lime, a liquid form, and distinctive lime taste. Refractive index examination resulted 1.454; specific gravity 0.8317, and soluble in 70% ethanol with a ratio of 1:1. The Minimum BactericidalConcentration (MBC) obtained from the antibacterial activity test was 6.25%. Kaffir lime leaves essential oil mechanism occurred in the cell walls and cell membranes of Staphylococcus aureus. 


2020 ◽  
Vol 977 ◽  
pp. 212-217
Author(s):  
Hoang Danh Pham ◽  
Tri Nhut Pham ◽  
Do Thi Kim Nga ◽  
Ngan Thi Thu Nhung ◽  
Tri Duc Lam ◽  
...  

At present, there are many different forms of relaxation and aromatic candles are one of the common forms. Scented candles not only provide background lighting but also help promoting a feeling of wellness. This study attempts to produce scented candles from natural sources such as soy wax, beeswax, and natural essential oils to bring the most practical benefits to the users. The produced candle should be long lasting, low cost and causes no health effects. The composition of scented candles included 60% beeswax, 30% soy wax, 8% lemongrass essential oil, 1% citric acid, and 1% ethanol.


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