锌参与多种酶的合成,与糖、脂肪、蛋白质和核酸代谢密切相关。嬰儿日摄取能量如低于3毫克、儿童低于5毫克,便是缺锌。轻度缺锌可使儿童味觉减退、食而无味,因此食欲减退、厌食,严重的使儿童发育迟缓、消瘦,易继发感染、头发稀少,甚至可能影响到儿童今后一生的认知能力。 Zinc participates in the synthesis of many enzymes and is closely related to sugar, fat, protein and nucleic acid metabolism. Infants less than 3 mg daily intake of energy, children less than 5 mg, is zinc deficiency. Mild zinc deficiency can make children taste diminished, food tasteless, so loss of appetite, anorexia, severe child growth retardation, weight loss, secondary infection, rare hair, and may even affect children’s cognitive ability in the future.