[Objective]To investigate and evaluate the dietary intake of selenium and its food source.[Method]Data was extracted from Chinese Nutrition and Health Surveillance(2015-2017).Demographic information were collected by questionnaires.Dietary intake was estimated using consecutive days 24 h dietary recalls and food weight record.The se intake status was evaluated according to DRIS for China(2023 edition).[Result]Totally 66 890 Chinese adults were included into analyses.The mean se dietary intake was(39.0±24.2)μg/d,with median of 33.9(24.4,47.1)μg/d.Male was reported more Se intake than female.And the figure in urban area was significantly higher than in rural area.The amount of dietary Se intake reached the peak at the age of 30-44 years old group in urban male,and then decreased with the increase of age.In rural male and both urban and rural female,the downtrend was observed with the increase of age since the age group of 18-29 years old.78.7%of the population were under the risk of Se deficiency(＜EAR),with merely 12.5%were in the safe range of intake(RNI-UL)and less than 0.1%were excessive(＞UL).The primary contributors for selerium are cereals,meat and fish.[Conclusion]There is a risk of insufficient intake of selenium in Chinese adults,and it is more severe in the population of rural area residents,female and the elderly.
万方数据
维普
