PROTEIN REQUIREMENT OF YOUNG-ADULT NIGERIAN FEMALES ON HABITUAL NIGERIAN DIET AT THE USUAL LEVEL OF ENERGY-INTAKE

被引:15
作者
EGUN, GN [1 ]
ATINMO, T [1 ]
机构
[1] UNIV IBADAN,COLL MED,DEPT HUMAN NUTR,IBADAN,NIGERIA
关键词
PROTEIN REQUIREMENTS; NITROGEN BALANCE; NIGERIAN DIET;
D O I
10.1079/BJN19930138
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
A short-term N balance study was conducted in twelve healthy female adults aged 21-32 years to determine their protein requirement. Four dietary protein levels (0.3, 0.4, 0.5 and 0.6 g protein/kg per d) were used. Energy intake of the subjects was kept constant at 0.18 MJ/kg per d. All subjects maintained their normal activity throughout the study period. N excretion was determined from the measurements of N in a total collection of urine, faeces, sweat and menstrual fluid for each dietary period. N balance during the four protein levels were -15.15 (SD 5.95), -5.53 (SD 6.71), +6.15 (SD 4.76) and +12.05 (SD 8.63) mg N/kg per d for 0.3, 0.4, 0.5 and 0.6 g protein/kg per d respectively. The calculated average N requirements from regression analysis was 76.0 (SD 3.37) mg N/kg per d (0.48 g protein/kg per d). The estimate of allowance for individual variation to cover the 97.5% population was 95 mg N/kg per d (0.6 g protein/kg per d). The net protein utilization (NPU) of the diet was 0.55. When compared with a similar study with men, there was a significant difference in the protein requirement between sexes. Thus, the unjustifiable sex difference in the protein allowance recommended by the Food and Agriculture Organization/World Health Organization/United Nations University (1985) Expert Consultation group must be reviewed.
引用
收藏
页码:439 / 448
页数:10
相关论文
共 26 条
[1]   LONG-TERM EVALUATION OF THE ADEQUACY OF HABITUAL DIETS TO PROVIDE PROTEIN NEEDS OF ADULT NIGERIAN MEN [J].
ATINMO, T ;
EGUN, G ;
MBOFUNG, CMF .
BRITISH JOURNAL OF NUTRITION, 1988, 60 (03) :459-466
[2]   HUMAN PROTEIN-REQUIREMENTS - OBLIGATORY URINARY AND FECAL NITROGEN LOSSES AND THE FACTORIAL ESTIMATION OF PROTEIN NEEDS OF NIGERIAN MALE-ADULTS [J].
ATINMO, T ;
MBOFUNG, CMF ;
HUSSAIN, MA ;
OSOTIMEHIN, BO .
BRITISH JOURNAL OF NUTRITION, 1985, 54 (03) :605-611
[3]   NITROGEN-BALANCE STUDY IN YOUNG NIGERIAN ADULT MALES USING 4 LEVELS OF PROTEIN-INTAKE [J].
ATINMO, T ;
MBOFUNG, CMF ;
EGUN, G ;
OSOTIMEHIN, B .
BRITISH JOURNAL OF NUTRITION, 1988, 60 (03) :451-458
[4]   OBLIGATORY URINARY AND FECAL NITROGEN LOSSES IN YOUNG-WOMEN, OLDER MEN, AND YOUNG MEN AND THE FACTORIAL ESTIMATION OF ADULT HUMAN PROTEIN-REQUIREMENTS [J].
BODWELL, CE ;
SCHUSTER, EM ;
KYLE, E ;
BROOKS, B ;
WOMACK, M ;
STEELE, P ;
AHRENS, R .
AMERICAN JOURNAL OF CLINICAL NUTRITION, 1979, 32 (12) :2450-2459
[5]  
BONSNES RW, 1945, J BIOL CHEM, V158, P581
[6]   VARIATION IN ENDOGENOUS NITROGEN EXCRETION AND DIETARY NITROGEN UTILIZATION AS DETERMINANTS OF HUMAN PROTEIN REQUIREMENT [J].
CALLOWAY, DH ;
MARGEN, S .
JOURNAL OF NUTRITION, 1971, 101 (02) :205-&
[7]  
CALLOWAY DH, 1982, J NUTR, V112, P336
[8]   PREDICTION OF MUSCLE AND REMAINING TISSUE PROTEIN IN MAN [J].
CHINN, KSK .
JOURNAL OF APPLIED PHYSIOLOGY, 1967, 23 (05) :713-&
[9]   PROTEIN-REQUIREMENTS OF YOUNG CHINESE MALE-ADULTS ON ORDINARY CHINESE MIXED DIET AND EGG DIET AT ORDINARY LEVELS OF ENERGY-INTAKE [J].
HUANG, PC ;
LIN, CP .
JOURNAL OF NUTRITION, 1982, 112 (05) :897-907
[10]  
HUSSEIN MA, 1984, UN U FOOD NUTRITIO S, V10, P102