methodolgy to extract castor oil in zambia

   
methodolgy to extract castor oil in zambia
                                               
                                               
                                               
                                               
  • methodolgy to extract castor oil in zambia
How is castor oil extracted?

Castor oil seed contains about 30%¨C50% oil ( m/m ). 74, 75 Castor oil can be extracted from castor beans by either mechanical pressing, solvent extraction, or a combination of pressing and extraction. 74 After harvesting, the seeds are allowed to dry so that the seed hull will split open, releasing the seed inside.

What are the optimum conditions for castor oil extraction?

This study found that optimum conditions that included leaching time of two hours, leaching temperature of 50°C, and solute:solvent ratio of 2 g:40 mL garnered optimum yield of castor oil extraction.

What is castor oil refining?

Refining of castor oil includes degumming, neutralization, de-waxing, deodorization and bleaching. Castor oil has one double bond in each fatty acid chain and is classified as non-drying oil. Like all other vegetable oils, it has different physical and chemical properties that vary with the method of extraction .

What is the percentage of oil extracted from castor seeds?

The percentage by mass of oil extracted was 19.42% and the percentage oil recovery was 38.84%. Dehulled castor seeds ii. Boiling: The decorticated seed is then heated in water to a temperature of about 96 O C for about 10 minutes. Figure 3 shows the heating process.