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| Subcritical butane extraction of sesame oil and its quality |
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| KeyWord:cold-pressed cake of peeled sesame subcritical butane extraction sesame oil sesame meal |
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| Abstract: |
| Sesame oil was extracted from cold-pressed cake of peeled sesame by subcritical butane extraction technology. Using extration rate of sesame oil as index，the subcritical butane extraction process was optimized by single factor experiment and orthogonal experiment as follows：extraction temperature 60℃，extraction times 6，extraction time 30 min，ratio of solid to liquid 1∶3.0. Under the optimal conditions，the extraction rate of sesame oil reached 98.57%. The quality of the extracted sesame oil was good and the quality indexes met the national standard of first grade sesame oil. The sesame meal had light color，its crude protein content reached 49.08%，and its nitrogen soluble index was 14.02%，which was a good resource of vegetable protein. |
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