Wheat germ oil is extracted from the germ of the wheat kernel, which makes up 2-3% by weight of whole grain wheat.
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Wheat germ may yield 8-14% of oil in its total content.
In a reference amount of 100 grams (3.5 oz), wheat germ oil supplies 884 calories. Wheat germ oil has a high content of vitamin E (149 mg/100g), the content of which diminishes substantially due to oxidation by extrusion treatment, oven-roasting or storage for 6 weeks. As a cooking oil, it is strongly flavored and easily perishable.[citation needed]
Wheat germ oil contains the following fatty acids:
Component | g/100g |
---|---|
Linoleic acid (omega-6) | 55 |
Palmitic acid | 17 |
Oleic acid | 15 |
Linolenic acid (omega-3) | 7 |
Wheat germ oil is rich in phytosterols, especially campesterol and beta-sitosterol, which remain stable in content during long-term storage. It also contains octacosanol, a 28-carbon long-chain sterol found in vegetable waxes.
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