caa a22 4500 386322821 CHVBK 20180307111632.0 cr unu---uuuuu 161130e198803 xx s 000 0 eng 10.1079/BJN19880026 doi S0007114588000273 pii (NATIONALLICENCE)cambridge-10.1079/BJN19880026 Stable isotope metabolic studies of zinc nutrition in slum-dwelling lactating women in the Amazon valley [Elektronische Daten] 1. Zinc metabolism has been studied in a group of undernourished, slum-dwelling, lactating women in Manaus, Brazil, by means of modified metabolic balance techniques and the stable isotope 67Zn. 2. The subjects were found to be consuming a diet which provided an average of 34% of the recommended dietary allowance for lactating women, but six of the seven appeared to achieve Zn balance. In five of the subjects use of 67Zn in a stable isotope dilution manner demonstrated that they were absorbing a high proportion of the dietary Zn (proportional absorption ranged from 0·59 to 0·84), suggesting an adaptation to the chronically low intake. 3. Two subjects had marginally low plasma Zn concentrations, although hair, urine and milk Zn contents were all within accepted normal values. 4. Preliminary findings on the rate of plasma Zn turnover and the size of the exchangeable body Zn pool obtained using 67Zn suggest that these subjects may have a reduction in both. Copyright © The Nutrition Society 1988 Jackson M. J. Department of Medicine, University of Liverpool, P.O. Box 147, Liverpool L69 3BX GIugliano R. Instituto Nacional de Pesquisas da Amazonia, Estrada do Alexio, 1756, CEP 6900 Manaus, Amazonas, Brazil Giugliano L. G. Instituto Nacional de Pesquisas da Amazonia, Estrada do Alexio, 1756, CEP 6900 Manaus, Amazonas, Brazil Oliveira E. F. Instituto Nacional de Pesquisas da Amazonia, Estrada do Alexio, 1756, CEP 6900 Manaus, Amazonas, Brazil Shrimpton R. Instituto Nacional de Pesquisas da Amazonia, Estrada do Alexio, 1756, CEP 6900 Manaus, Amazonas, Brazil Swainbank I. G. British Geological Survey, 64 Gray's Inn Road, London WCIX 8NG British Journal of Nutrition Cambridge University Press 59/2(1988-03), 193-203 0007-1145 59:2<193 1988 59 BJN https://doi.org/10.1079/BJN19880026 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1079/BJN19880026 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Jackson M. J. Department of Medicine, University of Liverpool, P.O. Box 147, Liverpool L69 3BX NATIONALLICENCE 700 1- GIugliano R. Instituto Nacional de Pesquisas da Amazonia, Estrada do Alexio, 1756, CEP 6900 Manaus, Amazonas, Brazil NATIONALLICENCE 700 1- Giugliano L. G. Instituto Nacional de Pesquisas da Amazonia, Estrada do Alexio, 1756, CEP 6900 Manaus, Amazonas, Brazil NATIONALLICENCE 700 1- Oliveira E. F. Instituto Nacional de Pesquisas da Amazonia, Estrada do Alexio, 1756, CEP 6900 Manaus, Amazonas, Brazil NATIONALLICENCE 700 1- Shrimpton R. Instituto Nacional de Pesquisas da Amazonia, Estrada do Alexio, 1756, CEP 6900 Manaus, Amazonas, Brazil NATIONALLICENCE 700 1- Swainbank I. G. British Geological Survey, 64 Gray's Inn Road, London WCIX 8NG NATIONALLICENCE 773 0- British Journal of Nutrition Cambridge University Press 59/2(1988-03), 193-203 0007-1145 59:2<193 1988 59 BJN CC0 http://creativecommons.org/publicdomain/zero/1.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-cambridge