GENUD (Growth, Exercise, Nutrition and Development) Research Group, Facultad de Ciencias de la Salud, Universidad de Zaragoza, 50009 Zaragoza, Spain.
Instituto Agroalimentario de Aragón (IA2), 50013 Zaragoza, Spain.
Nutrients. 2022 Dec 20;15(1):13. doi: 10.3390/nu15010013.
A randomized crossover study was carried out in three University accommodation halls. Participants consumed either beef (Pirenaica breed) (PB) or conventional chicken (CC) three times per week for an 8-week periods with their usual diet, each one separated by a 5-week wash out period. Dietary variables were recollected by the Food Frequency Questionnaire (FFQ), and the Diet Quality Index (DQI) was calculated. Forty-seven healthy adults were included (19.9 ± 1.75 years). The inclusion of both types of diets did not modify the components of the DQI, such as the diversity, equilibrium, adequacy and excess. However, when only the first period was analyzed, a significant decrease in the consumption of fruits and vegetables was observed in those participants who received the PB diet (intervention group). The CC diet (control group) significantly reduced the consumption of fish and eggs, total DQI, and DQI quality component. The expected effect was observed in the significant increment of consumption of red meat after the intervention period.
一项随机交叉研究在三所大学宿舍进行。参与者在 8 周的时间里，每周食用三次牛肉（比利牛斯山脉品种）（PB）或传统鸡肉（CC），并搭配他们的日常饮食，每个周期之间有 5 周的洗脱期。通过食物频率问卷（FFQ）收集饮食变量，并计算饮食质量指数（DQI）。共有 47 名健康成年人参与（19.9 ± 1.75 岁）。两种饮食的摄入并没有改变 DQI 的成分，例如多样性、均衡性、充足性和过剩性。然而，当仅分析第一个周期时，接受 PB 饮食（干预组）的参与者的水果和蔬菜摄入量显著减少。CC 饮食（对照组）显著减少了鱼类和蛋类、总 DQI 和 DQI 质量成分的摄入。干预后，红肉类的摄入量显著增加，这符合预期的效果。
