[Comparative analysis of four kinds of vitamin B of milk of lactating mothers and maternal and infant nutritional status in Chinese urban and rural areas].

Objective: To understand the nutritional level of lactating mothers and infant by detecting the content of the vitamin B1, vitamin B2, vitamin B6, nicotinic of milk of urban and rural areas and to provide the basis for improving vitamin nutritional status of lactating women and their babies.

Methods: Totally 92 pairs of breastfeeding healthy mothers and their children in Shandong Province were selected. 34 pairs were in a urban area and 58 pairs were in a rural area.

[Investigation of vitamin B1, vitamin B2 and niacin levels among children aged 0-3 years old in Chinese urban and rural areas].

Objective: To study the nutritional status and differences in vitamin B1, vitamin B2, and niacin of the urban/rural infants in Shandong Province, and to provide scientific basis for infants nutrition interventions.

Methods: 106 urban infants and 290 rural infants were selected from a city in Shandong Province. Forty milliliter urinary was collected from each one, which was adjusted to pH 4-5 with concentrated hydrochloric acid immediately.

[Status of vitamin A, vitamin B2, iron and an-oxidantive activity in anemic pregnant women in China].

Objective: To investigate the status of vitamin A(VA), vitamin B2 (VB2), iron and anoxidative function in anemic and non-anemic pregnant women.

Methods: 426 anemic and 36 non-anemic pregnant women were included in the study. The survey of 24-hour's diet recall of pregnant women was made to evaluate intake of iron, VB2, folic acid, etc by the nutrition software provided by Beijing 301 hospital, iron and VA were measured by Radioimmunoassay (RIA) and by high-pressure liquid chromatography.