Detection of antibiotics in the urine of children and pregnant women in Jiangsu, China.

Exposure to low concentrations of antibiotics links to multiple health hazards, such as drug resistance of bacteria, and childhood obesity. In this study, seven antibiotics were measured in the urine of 107 children and 126 pregnant women in Jiangsu Province by ultra-performance liquid chromatography and tandem mass spectrometry (UPLC-MS/MS). The overall urinary antibiotics detection rate was 38.

[Analysis of the nutrients contents and the blood glucose response of the mixed grains in Chinese people].

Objective: To evaluate the nutrients contents and the glycemic index (GI) of the mixed grains and analyze the relationship between the nutrients contents and biological effect.

Methods: The nutrients contents of mixed grains and control food were determined according to the methods of Chinese national standards. Choose 10 volunteers to ingest 50 g glucose and ingest the steamed bread of mixed grains which imply 50 g carbohydrate the second day.