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| Extraction of phytic acid from rapeseed meal |
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| DOI： |
| KeyWord:phytic acid rapeseed meal ethanol sulfuric acid extraction process |
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| Abstract: |
| The extraction conditions of phytic acid from rapeseed meal were studied. The effects of extraction temperature, extraction time, solid-liquid ratio, ethanol volume fraction and sulfuric acid volume fraction in water solution on the extraction rate of phytic acid were investigated by single factor experiment, and orthogonal experiment was carried out with ethanol volume fraction, sulfuric acid volume fraction, solid-liquid ratio and extraction time as factors. Then the optimal extraction conditions of phytic acid from rapeseed meal by ethanol-sulfuric acid system were determined as follows:ethanol volume fraction 80% and sulfuric acid volume fraction 4% in water soution, solid-liquid ratio 1∶?7 and extraction time 120 min at room temperature. Under these conditions, the extraction rate of phytic acid reached 70.5%. |
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