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In modern vegetable oil production, oils are usually extracted chemically, using a solvent such as hexane. Chemical extraction is cheaper and more efficient than mechanical extraction, at a large scale, leaving only 0.5–0.7% of the oil in the plant solids, as compared to 6–14% for mechanical extraction. [4]
The Journal of Plantation Crops is a triannual peer-reviewed scientific journal and is the official publication of the Indian Society for Plantation Crops. The scope includes are topics relating to plantation cropping systems and crops like coconut , arecanut , oil palm , cashew , spices , cocoa , coffee , tea , and rubber .
The traditional method is a valid form of producing high-quality olive oil, if after each extraction the discs are properly cleaned from the remains of paste; if not the leftover paste will begin to ferment, thereby producing inconsistencies of flavors (called defects) that will contaminate the subsequently produced olive oil.
Edible oil refining is a set of processes or treatments necessary to turn vegetable raw oil into edible oil.. Raw vegetable oil, obtained from seeds by pressing, solvent extraction, contains free fatty acids and other components such as phospholipids, waxes, peroxides, aldehydes, and ketones, which contribute to undesirable flavor, odor, and appearance; [1] for these reasons, all the oil has ...
Honesty oil, from the seeds of Lunaria annua, which contain 30–40% oil. The oil is particularly rich in long chain fatty acids, including erucic and nervonic acid, making it suitable for certain industrial purposes. [92] [203] Illipe butter, from the nuts of the Shorea stenoptera. Similar to cocoa butter, but with a higher melting point.
The Journal of Oil Palm Research (formerly known as Elaeis: The International Journal of Oil Palm Research and Development) is a quarterly peer-reviewed open-access scientific journal covering research on palm oil fats, oils, and oleo-chemistry.
Orujo is called the wet solid waste, [2] which is generated by the traditional methods of extraction, based on presses, and the continuous three-phase decanting processes. The process generates additionally one stream of olive oil and two streams of wastes, the Orujo and an aqueous waste called alpechín.
Hydrothermal liquefaction (HTL) is a thermal depolymerization process used to convert wet biomass, and other macromolecules, into crude-like oil under moderate temperature and high pressure. [1] The crude-like oil has high energy density with a lower heating value of 33.8-36.9 MJ/kg and 5-20 wt% oxygen and renewable chemicals.