| 摘要 |
PCT No. PCT/NL95/00054 Sec. 371 Date Jan. 22, 1997 Sec. 102(e) Date Jan. 22, 1997 PCT Filed Feb. 7, 1995 PCT Pub. No. WO95/21124 PCT Pub. Date Aug. 10, 1995A preparation comprising ortho silicic acid which is stabilized with a stabilizing agent and is substantially free of organic silicon compounds, preferably a nitrogen-containing stabilizing agent such as choline, to a method for preparing such a preparation, comprising: i) providing a solution containing a stabilizing agent; ii) dissolving an inorganic silicon compound in the solution containing the stabilizing agent; and iii) hydrolyzing the silicon compound to ortho silicic acid, and to the obtained biological preparation. |
