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| Extraction of soy isoflavones from soy whey water first stage scum powder |
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| DOI：10.12166/j.zgyz.1003-7969/2020.04.023 |
| KeyWord:soy whey water scum powder soy isoflavones extraction process |
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| Abstract: |
| A method for the extraction, separation and purification of soy isoflavones from soy whey water first stage scum powder(SP) was established. The results showed that with 60% ethanol as extraction solvent, under the conditions of ratio of material to liquid 1∶ 5, milled by colloid mill at 60~70 ℃ for twice, 0.75 h each time, every 100 g of SP could get dry matter 20 g, and the soy isoflavones content was 2.08%. Adding 400 mL 95% ethanol, 20 g calcium phosphate and 8 g calcium bicarbonate to 20 g extract, the extract was refluxed for 1 h. After filtered and concentrated, 3.05 g paste was obtained with soy isoflavones content 13.6%, which showed good effect of impurity removal and separation. The paste was eluted by macroporous resin ADS-21, and soy isoflavones product was obtained with the content of soy isoflavones product 83.5%, which was 6.14 times of the content of sample uneluted. |
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