Back to results
US 7,396,554 B2Granted
Antioxidant sesame extract
AssigneeCouncil of Scientific and Industrial Research
InventorsAnanthasankaran Jayalekshmy, Chami Arumughan, Kizhiyedathu Polachira Suja
Life of this patent
Estimating the term…
Abstract
An antioxidant extract from sesame seed/cake containing sesamol and other compounds is prepared by employing selective extraction techniques and purification methods and that which can be effectively utilised as a substitute for synthetic antioxidants for the protection of vegetable oils, foods, cosmetic/pharmaceutical preparations etc.
Claims6
An antioxidant extract from sesame consisting of 5-20% lignan containing sesamol 10-16%;
- sesamin 60-75%;
- sesamolin 5-8.8%, and balance being tocopherols, polyphenols/ferulic acid, denatured proteins, sugars, lipids, minerals and browning products.
An antioxidant extract from sesame consisting of 5-20% lignan containing sesamol 10-16%;
- sesamin 60-75%;
- sesamolin 5-8.8%, and balance being tocopherols, polyphenols/ferulic acid, denatured proteins, sugars, lipids, minerals and browning products, said antioxidant extract made by the method comprising:
- defatting of the powdered oil seed or cake with hydrocarbon solvents at 25 to 85 degrees Celsius at a ratio of 1:1 to 1:7 for 3 to 24 hours;
- washing the defatted material with water or brine, at a ratio of 1:1-1:5, 3 to 8 times and drying the residue below 70 degrees Celsius for 6 to 10 hours;
- extracting with an organic solvent selected from the group consisting of alcohols, esters, ketones, substituted hydrocarbons and combinations thereof, over a temperature range of 25-85 degrees Celsius for 10 hours to 7 days;
- concentrating the said extract under reduced pressure of 150-100 mm of Hg;
- dissolving the said concentrated extract containing 5-20% lignans in a permitted carrier selected from the group consisting of ethanol, ethylene glycol, propylene glycol and combinations thereof;
- and
- storing the dissolved extract under refrigeration until use.
6 more elements
Dependencies are inferred from the claim text.