浙江省城市居民膳食蛋白质摄入状况分析

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目的分析浙江省城市居民膳食蛋白质摄入状况。方法于2009-2011年运用3天24小时回顾法和称重法对浙江省城市共3452名2岁及以上居民进行膳食调查,获得居民每日食物、蛋白质和必需氨基酸摄入量,结合人口学信息对蛋白质摄入进行统计分析。结果纳入分析的膳食调查人数为3240人。蛋白质摄入量为每标准人日71.1g,低于蛋白质推荐摄入量(RNI)80%的人群占34.3%,优质蛋白质占蛋白质供给量的51.7%。各种必需氨基酸的氨基酸比值系数接近1,氨基酸比值系数分等于85,随着文化程度的提高蛋白质摄入量大于等于RNI的比例也随着之增加(OR=0.822,P<0.001)。结论浙江省城市居民膳食蛋白质摄入量合理,优质蛋白质比例适当,必需氨基酸组成含量比例与WHO/FAO推荐模式相近,膳食蛋白质营养价值高。蛋白质摄入量随着文化程度的增高而增加。浙江省城市居民存在蛋白质摄入不足的风险,以老年男性和育龄女性最为突出。 Objective To analyze the dietary protein intake of urban residents in Zhejiang Province. Methods A total of 3452 residents aged 2 years and over were enrolled in a survey of urban residents in Zhejiang Province using a 24-hour three-day, 24-hour review and weighing method from 2009 to 2011. Their daily food, protein and essential amino acid intake were obtained. Combined with demography Information on the statistical analysis of protein intake. Results The number of dietary surveys included in the analysis was 3240. The intake of protein was 71.1g per standard person day, 34.3% of those below 80% of RNI, and 51.7% of high-quality protein. The amino acid ratio coefficients of various essential amino acids were close to 1, and the amino acid ratio coefficient was 85. With the increase of educational level, the proportion of protein intake more than or equal to RNI also increased (OR = 0.822, P <0.001). Conclusion Dietary protein intake of urban residents in Zhejiang Province is reasonable, the proportion of high quality protein is appropriate, and the percentage of essential amino acid composition is similar to that recommended by WHO / FAO. The nutritional value of dietary protein is high. Protein intake increased with the increase of educational level. Urban residents in Zhejiang Province have the risk of insufficient protein intake, most notably among older men and women of childbearing age.
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