| 摘要 |
A mineral supplement composition based on vegetable material may be prepared by drying and finely grinding a vegetable material from plants grown in soil enriched with elements by the application of ground dolomite, fly ash or crushed lava, or from old trees. The fine powder may be used directly, or it may be leached with water, whereupon insoluble material and water are removed. The soluble substance obtained or the finely divided vegetable material may be used as a supplement to food for humans or animal food-stuffs. It may be supplemented with a salt mixture prepared by treating crushed dolomite with an aqueous solution of an organic acid, removing insoluble components and evaporating the water. |
