山东莱阳农村居民膳食结构调查与评价

对山东莱阳农村居民1984,1987,1991年三年的膳食情况进行了调查。结果表明:该地农民的膳食结构已由粮食为主型向营养齐全的副食型转化;热能的摄入量呈增加趋势,三大营养素的供热比例日趋合理;优质蛋白质摄入量占总蛋白质摄入量的比例上升,但总蛋白质的摄入量增加不明显;钙、锌、维生素A,维生素B_2的摄入量一直低于供给量标准,来自动物性食品的比例很低,且八年间变化不大。

STUDY AND EVALUTATION OF PEASANTS DIETARY SURVEY IN LAIYANG AREA

An investigation of the dietary pattern in Laiyang area, Shandong Province, in1984, 1987 and 1991 shows that the farmers' diets in that area have been changing fromgrains to non-staple food containing plentiful nutrients. The caloric intake tends to in-crease and the proportion of caloric supplied by protein, fat, carbohydrate is becomingincreasingly rational. The proportion of high-quality protein has inccreased, but that oftotal protein has not increased evidently. The intake of Ca, Zn, VitA and VitB_2 has al-ways been below the RDA. The proportion of animal meat, which has been very smallduring the past eight years, is not showing any significant change.