麦饭石是花岗岩类的一种云母二长岩,其外形颇似大麦饭石,故名“麦饭石”。麦饭石具有一定的药用价值曾在李时珍的《本草纲目》中有所记载。麦饭石是一种新兴的天然矿物净化营养剂,已应用于医学、工业和饲料业等领域。但是,近年来其应用发展比较缓慢,主要原因之一是人们对它所含成分(主要是指微量元素)的溶出特性及其生物效应尚未弄清楚。 Maifanite is a kind of granite mica monzonite, its shape is similar to the big stone, hence the name “maifanshi ”. Medical stone has a certain medicinal value in Li Shizhen’s “Compendium of Materia Medica” has been recorded. Medical stone is a new natural mineral purification nutrients, has been used in medical, industrial and feed industry and other fields. However, its application is relatively slow in recent years. One of the main reasons for this is that the elucidation of its components (mainly trace elements) and its biological effects have not yet been clarified.