Phospholipid adsorption onto rice hull ash from soy oil miscellas

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Abstract
Phospholipid was adsorbed from soy oil miscellas by rice hull ash, with small doses of adsorbent binding most efficiently. Adsorption increased with residual phosphorus, suggesting that less accessible adsorption sites were being used as residual values increased, probably due to the heterogeneous nature of the ash. Binding of phospholipid was enhanced by isopropanol, as has been found for adsorption on silicic acid.

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