Effect of maternal supplementation with vitamin E on the concentration of α‐tocopherol in colostrum

Melo, Larisse Rayanne Miranda de; Clemente, Heleni Aires; Bezerra, Dalila Fernandes; Dantas, Raquel Costa Silva; Ramalho, Heryka Myrna Maia; Dimenstein, Roberto

doi:10.1016/j.jpedp.2016.06.011

Cited by 2 publications

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“…BM samples were collected from mothers of 45 preterm and 41 healthy term newborns with 32 (23-33) and 38 (37)(38)(39)(40) weeks' gestational ages, respectively. General characteristics of lactating mothers and their newborns are demonstrated in ►Table 1.…”

Section: Resultsmentioning

confidence: 99%

“…Maternal supplementation with vitamin E was shown to increase α-tocopherol concentration in colostrum. 39,40 Consumption of vitamins C and E supplements by breastfeeding mothers significantly increases antioxidant activity in BM and infant urine. 41 Mahdavi et al reported that supplementation with probiotics significantly increases TAC and decreases malondialdehyde levels in BM.…”

Section: Discussionmentioning

confidence: 99%

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Evaluation of Total Antioxidant Capacity and Total Oxidant Status of Preterm and Term Breast Milk during the Course of Lactation and within a Nursing Session

et al. 2019

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Objective Breast milk (BM) contains antioxidant molecules which may offer protection against oxidative stress (OS). We aim to investigate oxidant–antioxidant balance in preterm BM during the course of lactation and within a nursing session. Study Design Total antioxidant capacity (TAC) and total oxidant status (TOS) were measured in colostrum, transitional, and mature BM samples of preterm infants born earlier than 34th week of pregnancy and healthy term infants. Oxidative stress index (OSI) was calculated. Foremilk and hindmilk samples were collected separately. Results In colostrum and transitional milk, TAC (p < 0.001 and p = 0.001, respectively) and TOS (p = 0.005 and p < 0.001, respectively) were lower in preterm BM compared with term BM. OSI was also lower in preterm BM, but it was statistically significant only in transitional milk (p < 0.001). TAC was highest in colostrum and decreased through the course of lactation. However, the decrease in TAC was not statistically significant in preterm BM. Lowest values of TOS and OSI were observed in colostrum. In transitional term BM, hindmilk had a better oxidant–antioxidant profile as indicated by lower TOS and OSI. Conclusion Oxidant–antioxidant balance is preserved in BM in every stage of lactation. Preterm BM has lower OSI which may offer benefits to preterm newborn against OS.

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Evaluation of Total Antioxidant Capacity and Total Oxidant Status of Preterm and Term Breast Milk during the Course of Lactation and within a Nursing Session

et al. 2019

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Vitamin E concentration in breast milk in different periods of lactation: Meta-analysis

Wang²,

Li³

et al. 2022

Front. Nutr.

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ObjectiveThis study systematized information about vitamin E concentration in healthy breast milk during different stages of lactation in order to support the strategies of protecting postpartum women and infants.MethodsStudies published before April 30th, 2021, which detected vitamin E concentration in breast milk of healthy women by High Performance Liquid Chromatography (HPLC) or Ultra High Performance Liquid Chromatographic (UHPLC), were evaluated. The databases of CNKI (Chinese), WanFang Data (Chinese), VIP (Chinese), PubMed, Cochrane Library, Web of Science and Embase were searched. The random effect models were used to conduct meta-analysis by the statistical software package Stata 14.0.ResultsIn all 4,791 searched publications, 53 with full text were selected, which included 46 descriptive studies, 1 case-control study, 1 non-randomized controlled trial, and 5 randomized controlled trials. The pooled mean of vitamin E concentration was 10.57 mg α-TE/L (95%CI 8.94–12.20) in colostrum, 4.03 mg α-TE/L (95%CI 3.29–4.77) in transitional milk and 3.29 mg α-TE/L (95%CI 2.95–3.64) in mature milk. Subgroup analysis showed that vitamin E concentration of colostrum in Asian countries was lower than that in Western countries in colostrum and transitional milk.ConclusionsVitamin E concentration in breast milk decreased during lactation until the mature milk was produced. The vitamin E concentration of colostrum in Asian countries was evidently lower than that in Western countries. The vitamin E concentration in mature milk is similar in different regions. The concentration of vitamin E in breast milk started to be stable from about 2 to 3 weeks postpartum until 4 or 6 months postpartum, but it needs additional evidence to support.

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Effect of maternal supplementation with vitamin E on the concentration of α‐tocopherol in colostrum

Cited by 2 publications

References 25 publications

Evaluation of Total Antioxidant Capacity and Total Oxidant Status of Preterm and Term Breast Milk during the Course of Lactation and within a Nursing Session

Evaluation of Total Antioxidant Capacity and Total Oxidant Status of Preterm and Term Breast Milk during the Course of Lactation and within a Nursing Session

Vitamin E concentration in breast milk in different periods of lactation: Meta-analysis

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