canola oil production

Canola oil production involves two overall processes, mechanical pressing and extraction, and further processing to remove impurities. The techniques used are similar for most vegetable oils produced from the seeds of plants. The crushing and extraction processes utilized by the canola industry today produce very little change to the fatty acid profile of the oil and the nutritional qualities of the meal.

Canola Oil Production - Seed Cleaning

canola oil production starts from seed cleaning. Usually seed generally contains less than 2.5% dockage following the cleaning process. Seed that has been cleaned is ready for subsequent export or for crushing into canola oil and meal.

Canola Oil Production - Seed Preconditioning

Seed which will be processed for oil and meal is preconditioned using mild heat treatment, and moisture is then adjusted to improve subsequent oil extraction.

Canola Oil Production - Oil Extraction

Press cake which results from seed processing is next subjected to one of two types of oil extraction to remove much of the remaining oil. Oil may be extracted using either hexane ("solvent") extraction or by "cold-pressing" (also referred to as "expeller pressing"). The end-market into which the oil is sold generally dictates which form of extraction will be used. Hexane is the extraction medium used for the bulk of canola oil which is sold into the commodity grocery chain market as well as to the food industry.

Canola Oil Production - Oil Refinery

The extracted oil that processed in solvent extraction process is referred to as "crude oil" because it contains various compounds which must be removed to ensurea product with good stability and shelf-life, this process is called oil refining, when refers to canola oil, this process should be called canola oil refining.

Some Knowlege about Canola and Canola Oil

Canola is not the name of a natural plant but a made-up word, from the words "CANadian Oil Low Acid". Canola is a genetically engineered plant developed in Canada from the Rapeseed Plant, which is part of the mustard family of plants. According to AgriAlternatives, The Online Innovation, and Technology Magazine for Farmers, "By nature, these rapeseed oils, which have long been used to produce oils for industrial purposes, are... toxic to humans and other animals".

Canola oil today is the most popular all-purpose vegetable oil across the world. Canola is distinguished from traditional rapeseed by the greatly reduced levels of the fatty acid, erucic acid and anti-nutritional compounds called glucosinolates.

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