锌业已证实具有重要的生物功能。据近期美国医学会杂志报导,孕妇摄入加锌食物可以提高出生婴儿的质量。这项在阿拉巴马州立大学医学院所做的随机、双盲、对照临床实验发现,孕妇从妊娠早期开始每天食用加锌25毫克的强化食物,其出生婴儿的体重和头围都比食用普通食物的孕妇显著提高,她们的血浆锌浓度也一直维持较高水平。这种改善 Zinc has been shown to have important biological functions. According to the recent report of the American Medical Association, pregnant women intake of zinc foods can increase the quality of newborn babies. The randomized, double-blind, controlled clinical trial at the University of Alabama School of Medicine found that pregnant women consume 25 mg of fortified food supplemented with zinc daily from early gestation, and their birth weight and head circumference are better than those of normal Pregnant women with food significantly increased their plasma zinc concentration has also been maintained at a high level. This improvement