Research on the relationship between street food price and nutritional value in Wuhan in the post-epidemic era

ObjectiveTo provide scientific guidance for consumers to choose nutritious and cheap foods， the association between street food prices and nutritional value in Wuhan was analyzed.MethodsOne gourmet street was randomly selected from Jianghan， Jiang’an and Wuchang District of Wuhan City， respectively. Fifty two kinds of street foods of 6 types （barbecue， frying， steaming， baking， beverage and cold food） were selected， and the prices were recorded. After analyzing the nutrient components through standard testing in laboratory and using nutrition calculators， energy prices and the average price of nutrient-rich food （NRF6.3） index was calculated. The correlation between unit price and NRF6.3 index was analyzed by Spearman rank sum test.ResultsBaked food had the highest energy density， reaching 308.41 kcal/100 g， while beverages had the lowest energy density， reaching 79.35 kcal/100 g（P