Moringa seed oil is a vegetable that has many benefits for health and the pharmaceutical industry. can be extracted either chemically or mechanically. This research aims to characterize moringa oil’s physicochemical properties fatty acid composition using soxhletation chemical extraction screw-pressing mechanical with various pretreatment temperatures of 50, 60, 70°C. The showed highest yield oil, 41.74%, was obtained at an initial treatment temperature 70°C method 6 hours. value from 2.01...

Epoxy is a cyclic ether compound that contains an oxirane group and has been widely applied as stabilizer, plasticizer in polyvinyl chloride (PVC), surfactant, pesticide raw material, polymer resin coating. The materials epoxy synthesis come from petroleum derivatives, which are non-renewable natural resources. Therefore, there need for alternative can be renewed, such vegetable oil. In this study, nyamplung seed oil was used. usually carried out using carboxylic acid epoxidation with the...

Unsaturated fatty acids contained in vegetable oils can be used as a raw material to produce epoxy through epoxidation reactions. This study aims obtain the optimum conditions for reaction of Terminalia catappa L. (local name "ketapang") seed oil. In this study, was carried out by reacting ketapang oil and mixture formic acid hydrogen peroxide, sulfuric catalyst. The obtained were temperature 45 °C, time 5 h, reactants molar ratio 1:4:5 (mol/mol). percentage oxirane oxygen content products...

The study aimed to isolate, characterize and measure the corrosion inhibition efficiency of (E)ethyl 3-(4-methoxyphenyl)acrylate (EPE) from Kaempferia galanga extract iron in 1 M HCl solution.The experimental was conducted with weight loss electrochemical impedance measurements followed by theoretical using density functional theory (DFT) method at B3LYP level theory.EPE has been successfully isolated confirmed spectroscopic techniques.Thermodynamic parameters: activation energy E a ,...

The synthesis of wax ester using refined, bleached and deodorized (RBD) palm kernel oil (PKO) oley alcohol catalyzed by Lipozyme IM was carried out. Response surface methodology (RSM) based on a five-level, four-factor central composite rotatable design (CCRD) used to evaluate the interactive effects synthesis, reaction time (5-20 h), temperature (20-50 oC), amount enzyme (0.1-0.2 g) substrate molar ratio (palm oleyl alcohol, 1:1-1:5) percentage yield esters. optimum condition conditions...

Alkyldiethanolamides (fatty acid diethanolamides) synthesis from Terminalia catappa L. kernel oil was optimized using lypozyme as a catalyst. The result showed that the optimal reaction conditions were 2 hours time, with ratio of mass (g) to diethanolamine (mmol) 1:5, enzyme 1: 0.075, and temperature 40°C. percentage alkyldiethanolamides at optimum condition 56-60%. results also analyzed by FTIR. FTIR spectra revealed specific absorption several wave numbers (3434 cm-1, 1655 1280 cm-1),...

The synthesis of biodiesel using Terminalia cattapa L. (local language: Ketapang) kernel oil and ethanol has been conducted. effect variable parameters includes reaction time (3-7 h), temperature (35-60°C), amount enzyme (0.1-0.3 g) substrate molar ratio (ketapang to ethanol, 1:1-1:3) were studied. Response surface methodology based on a five-level four-variable central composite rotatable design used evaluate the interactive effects sinthesis percentage yield biodiedsel. analysis variance...

Fatty hydroxamic acids (FHA) have been successfully synthesized from palm oils by a one-step lipase catalyzed reaction. The use of immobilized as the catalyst for preparation reaction provides an easy isolation enzyme products and other components in mixture. In addition, it also allows to be carried out under mild conditions, which reduces reaction's side products. percentages conversion commercial olein (CPOn), RBD (refined, bleached deodorized) (POn), oil (PO), stearin (PS) kernel (PKOn)...

Abstract A mixture of fatty hydroxamic acids (FHA), synthesized from a commercial palm olein, was evaluated as an extractant for extraction copper ion aqueous media. The content acid groups in the FHA, analyzed by elemental analysis, 3.52 mmol/g. Copper media studied solvent technique using octanol organic phase. through formation 1∶2 (Cu(II)∶FHA) complex, pH dependent and not affected presence large amount Co(II), Ni(II), Cd(II) Zn(II) ions.

Epoxidation is a reaction of carbon double bond with active oxygen, which results in the addition an oxygen atom, converting original into three-membered epoxide (oxirane) ring. Generally, raw material for making epoxy comes from petroleum. Nyamplung kernel oil non-edible that can be used as alternative derivatives. The purpose this study was to determine optimum conditions and characterization materials. fatty acids were reacted formic acid hydrogen peroxide sulfuric catalyst. condition...

In the present paper, fatty diethanolamide has been produced from Calophyllum inophyllum L (local name: nyamplung) kernel oil.The synthesis of was performed by reacting triglycerides nyamplung oil with diethanolamine catalysed Thermomyces lanuginosus immobilized lipase (Lipozyme TL IM).The optimum reaction conditions were ratio to at 1:5 (g:mmol), amount enzyme 0.05 g, temperature 40°C, and incubation time 2 h.The percentage yield condition 44%.Characterization products using gas...

Penelitian ini mempunyai tujuan untuk mengidentifikasi jenis rumput laut yang mengandung omega-3 dan mengetahui kadar dari terdapat di pantai Pulau Lombok NTB. Minyak dalam diekstraksi dengan metoda soxhletasi. Identifikasi asam lemak ditentukan alat GC-MS. Sembilan telah dianalisa air berkisar antara 42% -86,5%. hasil ekstraksi 0,63%-4,39%. Dari ke sembilan dipilih 4 minyak paling tinggi. Dua biasa dikonsumsi (Eucheuma Spinosum Eucheuma Cottoni) dua lagi tidak (Gracilaria salicorniadan Ulva...

Wax esters are long chain that derived from fatty acids and alcohols with lengths of 12 carbons or more. havea wide range application in industrial especially cosmetics. The present work focuses on the synthesis wax by alcoholysisreaction palm oil oleyl alcohol hexane lipase Rhizomucor meihei (Lipozyme IM). Effect various concentrations ofpalm were studied to deduce kinetics mechanism reaction. alcoholysis reaction followed Michaelis-Menten kinetics. follows a Ping-pong Bi-Bi mechanism....

This study aims to determine the antioxidant activity and secondary metabolism of pakoasi leaf extract kluwih leaf. Analysis using DDPH method (1,1-diphenyl-2-picrylhydrazyl). Result test in. Concentration Barriers (IC50). IC50 values for leaves were 89.659 μg / mL 54.719 greater than vitamin C 46.74 mL. Qualitative analysis compounds TLC technique showed seven chromatogram profiles four extract. In addition, phytochemical presence saponin compounds, tannins, phenols, flavonoids, steroids...

Palmitoylethanolamide (PEA) has been synthesized from the palmitic acid Ketapang kernel oil (Terminalia catappa L.) through an enzymatic reaction. Usually, PEA was pure fatty acids by chemical catalysts. In this study, raw material used ketapang (renewable and in-edible oil) reaction carried out with lipozyme as a catalyst. The content of is 25-30%. conditions weretemperature at 40°C for 24 h, substrate ratio ethanolamine 1 : 3, amount enzyme (Lipozyme)of 0.15 gand hexane solvent. formation...

Ubiquitous in nature, lipases represent an example of enzymes with high versatility. Plant seeds are potential sources lipase, and they attracting more attention for specific purposes. In this study, coconut lipase was isolated from germinating seed. Biochemical characterization undertaken to reveal its substrate specificity subunits properties. By using various chromogenic ester fatty acids, it demonstrated that lauric acid is the most preferred esterase reaction. Calcium ions enhance...

A method of copper (II) ion preconcentration and separation from other ions by using a column containing fatty hydroxamic acids - loaded Amberlite XAD 4 resin (FHA-Amb) is described. Several factors, which affect the efficiency such as pH, sample volume, concentration eluent flow rate, have been investigated. quantitative recovery FHA-Amb was obtained 10% HNO3 solutions with factor 60. for Cu(II) Zn(II) Cd(II) proposed. rapid throughput, clean separation, high simplicity are main advantages...

The lipase synthesis of wax esters using palm oil fractions (palm and kernel oil) long chain alcohol as substrates was carried out. present work focuses on the Lipozyme. Five parameters such reaction time, temperature, amount enzyme, molar ratio various organic solvents system were investigated. optimum yields achieved at temperature 40 - 50 °C for (PO) (PKO) alcoholysis, a time 5 7 h PO 10 PKO 0.15 g enzyme both 3:1 (alcohol: or PKO), best solvent reactions hexane. Percentage obtained these...

Synthesis of Fatty Acids Methyl Ester (FAME) utilizing oil extracted from kapok seeds (Ceiba petandra) and catalyzed by lipozyme TL. 1M via enzymatic kinetics transesterification was succesfully conducted A mixture different FAME, widely known as biodiesel is one the sources renewable energy. kinetic analysis investigated to identify reaction model rate equation calculate parameters. The result obtained showed that followed a Michaelis-Menten model. Ping-pong Bi-Bi mechanism characterized...