OBJECTIVE: To evaluate alpha-tocopherol concentrations in maternal serum and colostrum under fasting and postprandial conditions. METHODS: Thirty healthy childbearing women were recruited in a public maternity hospital, and samples of blood, fasting colostrum, and postprandial colostrum were collected from them up to 12 hours after delivery. RESULTS: The serum alpha-tocopherol concentration was 1,939.8+/-766.0 microg/dL. Alpha-tocopherol levels in fasting colostrum (1,603.4+/-911.0 microg/dL) and in postprandial colostrum (1,515.0+/-890.9 microg/dL) did not demonstrate a statistically significant difference (p > 0.05). There was correlation between alpha-tocopherol levels in fasting and postprandial colostrum (p < 0.05), but not between serum and colostrum. CONCLUSION: The lack of correlation between alpha-tocopherol levels in plasma and in colostrum, and the correlation between alpha-tocopherol concentrations in fasting and postprandial colostrum support the existence of a mechanism that controls the transfer of this nutrient, regardless of dietary intake.
OBJECTIVE: To evaluate alpha-tocopherol concentrations in maternal serum and colostrum under fasting and postprandial conditions. METHODS: Thirty healthy childbearing women were recruited in a public maternity hospital, and samples of blood, fasting colostrum, and postprandial colostrum were collected from them up to 12 hours after delivery. RESULTS: The serum alpha-tocopherol concentration was 1,939.8+/-766.0 microg/dL. Alpha-tocopherol levels in fasting colostrum (1,603.4+/-911.0 microg/dL) and in postprandial colostrum (1,515.0+/-890.9 microg/dL) did not demonstrate a statistically significant difference (p > 0.05). There was correlation between alpha-tocopherol levels in fasting and postprandial colostrum (p < 0.05), but not between serum and colostrum. CONCLUSION: The lack of correlation between alpha-tocopherol levels in plasma and in colostrum, and the correlation between alpha-tocopherol concentrations in fasting and postprandial colostrum support the existence of a mechanism that controls the transfer of this nutrient, regardless of dietary intake.
Authors: Ana Gabriella Costa Lemos da Silva; Amanda de Sousa Rebouças; Beatriz Maria Alves Mendonça; Danna Calina Nogueira E Silva; Roberto Dimenstein; Karla Danielly da Silva Ribeiro Journal: Matern Child Nutr Date: 2019-01-30 Impact factor: 3.092
Authors: Larissa Queiroz de Lira; Mayara Santa Rosa Lima; Jovilma Maria Soares de Medeiros; Isabelle Ferreira da Silva; Roberto Dimenstein Journal: Matern Child Nutr Date: 2011-11-20 Impact factor: 3.092
Authors: Anna Larissa Cortês da Silva; Karla Danielly da Silva Ribeiro; Larisse Rayanne Miranda de Melo; Dalila Fernandes Bezerra; Jaluza Luana Carvalho de Queiroz; Mayara Santa Rosa Lima; Jeane Franco Pires; Danielle Soares Bezerra; Mônica Maria Osório; Roberto Dimenstein Journal: Rev Paul Pediatr Date: 2017 Apr-Jun