An improved solvent extraction of onion oil
A simple process to obtain onion oil by direct solvent extraction was proposed. Several solvents commonly utilized in the food industry were tested for their selectivity in the extraction of the oil of onion. Diethyl ether and methylene chloride appeared to be the most suitable solvents for the extraction
The method for extracting onion oil includes the following steps: pulverizing onion, soaking pulverized onion at 35-50 deg.C, reduced steam distillation (3-12 KPa, 55-60 deg.C) to obtain oil and water mixture, extraction with organic solvent, distillation to recover organic solvent to obtain refined product onion oil, its purity is above 99% and its yield is 3.2-3.8%.
An improved solvent extraction of onion oil
A simple process to obtain onion oil by direct solvent extraction was proposed. Several solvents commonly utilized in the food industry were tested for their selectivity in the extraction of the oil of onion. Diethyl ether and methylene chloride appeared to be the most suitable solvents for the extraction
The method for extracting onion oil includes the following steps: pulverizing onion, soaking pulverized onion at 35-50 deg.C, reduced steam distillation (3-12 KPa, 55-60 deg.C) to obtain oil and water mixture, extraction with organic solvent, distillation to recover organic solvent to obtain refined product onion oil, its purity is above 99% and its yield is 3.2-3.8%.
ExxonMobil To Simplify Oil Extraction By Cutting Earth In Half
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Onion Liquid Extract. Since ancient times Onion Bulb Extracts have been used as herbal medicine to treat various ailments and diseases. Usually, the bulb of the onion plant is used for medicinal purposes and not the stems or roots. Onion has many therapeutic values like garlic and helps to strengthen the immunity system and protects the body against infections and diseases.
Onion Extract
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Optimisation of steam distillation extraction oil
Oil extraction from onion was performed by steam distillation. Response surface methodology was applied to evaluate the effects of ratio of water to raw material, extraction time, zymolysis
Graduation date: 1982A simple process to obtain onion oil by direct solvent extractionud was proposed. Several solvents commonly utilized in the foodud industry were tested for their selectivity in the extraction of theud oil of onion. Diethyl ether and methylene chloride appeared to beud the most suitable solvents for the extraction operation.