| 摘要 |
<p>Process for the obtaining of an oryzanol concentrate from an oryzanol containing fatty substance which preferably is a crude oil, by the steps of: (A) at least one of the process steps of (A1) removal of phospholipids present and (A2) free fatty acids removal, preferably by the use of stripping; (B) alkali neutralization of the obtained product; (C) separation and removal of the obtained oil phase. Preferably, also an additional step of separation into an aqueous and an oil phase by the addition of an acid to a pH < 5, preferably to a pH < 3 and subsequent removal of any non-fatty substances such as water, alkali hydroxide and acid used from the oil phase is carried out.</p> |
