At present only 50-60% of the total cotton seed production is reported to be utilised for oil extraction through decortication while the bulk is used undecorticated and the oil recovery is 16.5% in the former compared to just 11% in the latter and the cake of the former has only 1-2% oil against 5-6% of the latter. In the past few decades, isolation and detoxification of the major edible oilseeds in the developed world and is being slowly accepted in India too. Besides edible oil production, the seeds are used as raw material in many other industries. Seeds are used to extract oil, which is then used in the soaps and the lubricants and also for the hydrogenation.
Cottonseed cake or cottonseed meal is a by-product obtained by extracting oil from cotton seeds. Recovery of meal is about 85-86%. It is also known as Kapasia Khalli or COC. It may be sold in the form of meal, cake, flakes or pellets. Good quality oil cake is greenish, yellow in colour. Cottonseed oilcake is the second most valuable product of cotton seed, accounting for over one-third of total product value of cotton seed. Cotton seed oil cake is a major source of livestock feed. It is also used as fertilizer, either alone or in mixtures with other ingredients. It is an excellent organic source of nitrogen, phosphorus, potash, and many minor plant food elements. As per ISI standards, quality of cottonseed oil cake is based on its oil content, protein, fibre, moisture content, sand/silica and colour. Nevertheless, the market does not have defined grades as it is used for livestock feed.
Learn MoreCottonseed oil is a cooking oil extracted from the seeds of cotton plants of various species, mainly Gossypium hirsutum and Gossypium herbaceum, that are grown for cotton fiber, animal feed, and oil. Cotton seed has a similar structure to other oilseeds such as sunflower seed, having an oil-bearing kernel surrounded by a hard outer hull; in processing, the oil is extracted from the kernel. Cottonseed oil is used for salad oil, mayonnaise, salad dressing, and similar products because of its flavor stability.[
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