wax oil next. end products of rice bran introduction bran is the hard outer layer of grain and...
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WAX
OIL
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Products of rice bran
Introduction
Bran is the hard outer layer of grain and consists of aleurone , pericarp, germ and a part of endosperm.
When bran is removed from grains, the grains lose a portion of their nutritional value.
•Bran removal amounts to 4% to 9% weight of the paddy milled.
Bran is characterized by its high fat and protein content along with vitamins, minerals and many other useful chemicals.
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Products of rice bran
Use of rice bran
Edible grade oil
Industrial grade crude oil
Free fatty acid manufacture
Plasticizers
Tocoferol
Rice bran wax
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Products of rice bran
Edible grade oil
Rice bran oil has very low content of linolenic acid and high content of tocopherol. Therefore, bran oil has distinct advantages over other vegetable oils.
Different grades of bran oil such as Salad oil, Cooking oil, Shortenings. could be produced by refining and hydrogenation.
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Products of rice bran
Industrial grade crude oil
Soap manufacture: Rice bran oil with high Free Fatty Acid (FFA) content is highly suitable for the manufacturer of soft soap and liquid soap. In addition, other soaps like aluminium, barium and calcium soaps can be manufactured as components of lubricants
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Free fatty acid manufactureBran oil can also be used to manufacture pure stearic and oleic acid.
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Products of rice bran
Protective coatings: Rice bran oil can be used to manufacture surface coatings like alkyd and resin based paints, enamels, varnishes and lacquers (a clear or coloured varnish).
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Products of rice bran
Plasticizers
Crude bran oil contains 2-4% tocoferol which has nutritional and antacid effects.
Tocoferol
Bran oil can also be used to manufacture plasticisers for use in plastic and rubber industries.
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Products of rice bran
Rice bran wax
A good substitute of carnauba wax (hard yellowish to brownish wax from leaves of the carnauba palm used especially in floor waxes and polishes). It can also be used as component in formulations like carbon paper base, stencils, candles etc.
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Products of rice bran
Use of defatted bran
S.No Particulars Uses
1. Feed Defatted bran utilized as an ingredient of cattle and poultry feed. More suitable than raw bran due to its higher percentage of protein and fat contents, higher digestibility, and more storage stability.
2. Food Ingredient in bakery products such as bread, cake, biscuits etc. After finer grinding, it can be added to baking flour up to 20%.
3. Fertilizer Raw bran is unsuitable for plants and roots due the presence of high fat and wax contents. Defatted bran contains all the three manurial factors (NPK values) in right proportion.
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Products of rice bran
Let us sum up
Apart from conventional use of rice bran as cattle feed, Rice bran are used for production of edible grade oil, industrial grade crude oil, free fatty acid manufacture, plasticizers, tocoferol, rice bran wax.
The defatted rice bran can be used as feed, food and fertilizer.