Impact of a daily legume-based meal on dietary and nutritional intake in a group of omnivorous adults.

IF 2.7 4区 医学 Q3 NUTRITION & DIETETICS Nutrition Bulletin Pub Date : 2023-06-01 DOI:10.1111/nbu.12613
Helena Ferreira, Marta Vasconcelos, Ana M Gil, Beatriz Oliveira, Elisete Varandas, Eugénia Vilela, Kimhuong Say, Joana Silveira, Elisabete Pinto
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Abstract

Adopting eco-friendly diets will demand the consumption of more plant-based protein food sources such as legumes. However, assessing the impact of such a dietary shift on the dietary and nutritional intake of traditionally omnivorous populations is needed. The objective of this study was to assess the impact of substituting a traditional omnivorous-based lunch for a vegetarian, legume-based meal on the daily dietary and nutritional intake in a group of omnivorous adults in the city of Porto, Portugal. Nineteen, non-vegetarian, healthy young adults consumed a vegetarian, legume-based meal from Monday to Friday, for 8 consecutive weeks. Socio-demographic data, health status, lifestyle-related information and anthropometric parameters were recorded. Three-day food records were used to collect food intake at baseline and week 8. European Food Safety Authority and World Health Organization reference values were used to assess nutritional inadequacies. Variables were described as medians (P25 and P75 ). Wilcoxon signed-rank and Mann-Whitney tests were used for statistical comparisons. A p-value of <0.05 was considered statistically significant. Participants consumed 38.0 (P25  = 35.0; P75  = 40.0) meals, resulting in an intake of 84.5 g (P25  = 74.9; P75  = 98.4) of cooked legumes per meal, meaning 11 subjects (57.9%) met the Portuguese guidelines for legume consumption (≥80 g/day of legumes). The current dietary intervention did not seem to aggravate the prevalence of nutritional inadequacies for the macro- and micronutrients tested, except for the case of vitamin B12 (52.6% [95% CI: 28.9-75.6] vs. 78.9% [95% CI: 54.4-94.0]). This could be linked to the reduction of dietary sources of this vitamin which is an expected consequence of vegetarian meals. Dietary changes towards grain legume-based diets are desirable yet need to be carefully implemented to prevent exacerbating potential nutrient inadequacies, especially of vitamin B12 .

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一组杂食性成年人每日豆类餐对饮食和营养摄入的影响。
采用环保饮食将需要消费更多的植物性蛋白质食物来源,如豆类。然而,评估这种饮食转变对传统杂食性人群的饮食和营养摄入的影响是必要的。本研究的目的是评估在葡萄牙波尔图市的一群杂食性成年人中,用素食、豆类为主的午餐代替传统的杂食性午餐对日常饮食和营养摄入的影响。19名非素食、健康的年轻人从周一到周五连续8周吃素食、豆类为主的食物。记录社会人口统计数据、健康状况、生活方式相关信息和人体测量参数。三天的饮食记录用于收集基线和第8周的食物摄入量。欧洲食品安全局和世界卫生组织的参考值被用来评估营养不足。变量描述为中位数(P25和P75)。采用Wilcoxon sign -rank检验和Mann-Whitney检验进行统计比较。p值为25 = 35.0;P75 = 40.0)的膳食,因此摄入量为84.5 g (P25 = 74.9;P75 = 98.4),这意味着11名受试者(57.9%)符合葡萄牙豆类消费指南(≥80 g/天豆类)。除了维生素B12 (52.6% [95% CI: 28.9-75.6] vs. 78.9% [95% CI: 54.4-94.0])外,目前的饮食干预似乎并未加剧所测试的宏量和微量营养素营养不足的患病率。这可能与减少这种维生素的饮食来源有关,这是素食的预期结果。以谷物豆类为基础的饮食改变是可取的,但需要仔细实施,以防止加剧潜在的营养不足,特别是维生素B12的不足。
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来源期刊
Nutrition Bulletin
Nutrition Bulletin NUTRITION & DIETETICS-
CiteScore
4.50
自引率
12.10%
发文量
58
期刊介绍: The Nutrition Bulletin provides accessible reviews at the cutting edge of research. Read by researchers and nutritionists working in universities and research institutes; public health nutritionists, dieticians and other health professionals; nutritionists, technologists and others in the food industry; those engaged in higher education including students; and journalists with an interest in nutrition.
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