幼儿多食果蔬可减少食物过敏

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幼儿多食果蔬可减少食物过敏。根据一项最新的研究,婴幼儿多吃水果蔬菜,少吃包装食品,可以更好地减少食物过敏

为了研究家长的喂食内容以及是否会对食物过敏状况产生影响,瑞典斯德哥尔摩卡罗林斯卡研究所的Wickman和她的同事们收集了1140名婴儿的喂食笔记。Wickman和她的同事在The Journal of Allergy and Clinical Immunology报告中提到,在孩子的第一年里父母通常会保持记饮食日志的习惯。

在那段时间里,41名儿童被确诊为患有食物过敏,Wickman的研究小组将其余82个类似的但不患有食物过敏的婴儿进行对比。研究人员根据婴儿所吃食物组合来对他们的膳食结构进行打分。

他们发现没有食物过敏的婴儿得分高于有食物过敏的婴儿,他们主要吃健康的食物,家里自制的,包括水果、蔬菜、家禽和鱼类。而有食物过敏的婴儿主要吃一些预先制作的饭菜,薯片,煮酱汁和腊肉等。

Magnus Wickman说:「分析表明,多吃水果蔬菜,少吃商业化婴儿产品、成年人食物的婴儿在两岁前不易患食物过敏。"她补充说,"这并不是说他们一点儿都不吃商业婴儿食品,只是他们没有将这类食品作为主食。」

Diet and food allergy development during infancy: Birth cohort study findings using prospective food diary data

Background

After an era of only considering the allergenic properties of the infant diet and allergy outcomes, emerging data suggest that the overall composition of the infant diet might be a more important factor in the development of allergic disease.

Objective

We sought to assess the relationship between infant dietary patterns in the first year of life and development of food allergy by age 2 years.

Methods

We performed a nested, case-control, within-cohort study. Mothers kept prospective food diaries for the first year of life, with resultant diet data coded in a unique manner to produce new variables, which were then analyzed by using principal component analysis to identify infant feeding patterns within the study subjects.

Results

Principal component analysis of diet diary data from 41 infants given a diagnosis of food allergy based on results of double-blind, placebo-controlled food challenges in the first 2 years of life and their 82 age-matched control subjects provided an early infant diet pattern and an ongoing diet pattern. There was no difference between the study groups for the early infant diet pattern, but for the ongoing diet pattern, there was a significant difference between the groups (P = .001). This ongoing dietary pattern was characterized by higher intake of fruits, vegetables, and home-prepared foods, with control infants having a significantly higher healthy infant diet dietary pattern score than children who had a food allergy.

Conclusions

An infant diet consisting of high levels of fruits, vegetables, and home-prepared foods is associated with less food allergy by the age of 2 years.

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