Castor oil seed contains about 30%?50% 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 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.
Which country produces the most castor oil?
India is known as the world leader in castor seed and oil production and leads the international castor oil trade. Castor oil production in this country usually fluctuates between 250,000 and 350,000 tons per year. Approximately 86% of castor seed production in India is concentrated in Gujarat, followed by Andhra Pradesh and Rajasthan.
What is Castor processing flow diagram?
Castor processing flow diagram. The first step in the castor oil refining process, called degumming, is used to reduce the phosphatides and the metal content of the crude oil.