世界卫生组织公布的人体必需的微量元素有14种:锌、硒、碘、铁、铜、锰、铬、镍、钒、硅、锡、钼、锶、氟。调查显示,我国膳食中普遍摄入不足的微量元素有碘、锌,其次是硒。宏量元素中摄入不足的有钙、钾、镁。从医学角度看,许多疾病的发生就与这些元素的长期摄入不足有关。 There are 14 essential trace elements released by the World Health Organization: zinc, selenium, iodine, iron, copper, manganese, chromium, nickel, vanadium, silicon, tin, molybdenum, strontium and fluorine. The survey shows that the general dietary deficiencies in China’s dietary trace elements are iodine, zinc, followed by selenium. Inadequate intake of macro elements of calcium, potassium, magnesium. From a medical point of view, many diseases are associated with the long-term ingestion of these elements.