49 Studies on Circadian Rhythm of Breast Milk and Plasma Calcium in Lactating Indian Women

Singh, Randhir; Nakra, V K

doi:10.1159/000410989

Cited by 5 publications

(5 citation statements)

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“…Though lipids have been studied the most, milk minerals also have received some attention. However, the evidence was not very conclusive and did not demonstrate a cyclic change at a different stage of lactation ( 233 – 237 ). Endocrine factors and melatonin are hypothesized to improve nocturnal sleep and reduce infantile colic ( 238 ).…”

Section: Resultsmentioning

confidence: 97%

Nutritional and Non-nutritional Composition of Human Milk Is Modulated by Maternal, Infant, and Methodological Factors

et al. 2020

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Human milk (HM) is dynamic and shows a high inter- and intra-individual variability. To characterize HM with precision, it is necessary to understand the factors that modulate its composition. The objective of this narrative review is to summarize the maternal, infant and methodological factors that affect HM composition. We searched SCOPUS and PubMed databases for articles related to factors that are known to or could potentially influence HM composition and volume across lactation periods. Our comprehensive review encompasses various maternal-, infant-related, and methodological factors that modulate aspects of HM composition including macro- and micronutrients, vitamins and minerals, as well as volume. The most profound changes were observed in HM lipids and lipophiles. Evidence exists for many of the infant-related factors known to affect the nutritive and non-nutritive components of HM (e.g., birth weight, gestational age, infant age/stage of lactation). In contrast, less is known with respect to maternal factors; where there is either limited research or conflicting evidence (e.g., maternal lifestyle, obstetric history, medical conditions), except for the mother's diet, for which there is a relatively well-established understanding. Equally, although many of the methodological factors (e.g., HM sampling, handling and analytics) are known to impact HM composition, few studies have investigated this as a primary outcome, making it an important area of future research in HM. Here we propose a systematic capture of numerous maternal- and infant-related characteristics to facilitate associative comparisons of HM data within and across studies. Additionally, it would be prudent to standardize the methodological aspects known to affect HM composition in analytics, not only for HM lipids and lipophiles, but also for those nutrients whose variability is yet less well-understood. Defining the factors determining HM composition with accuracy will open perspectives for maternal intervention to optimize milk composition for specific needs of infants.

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Section: Resultsmentioning

confidence: 97%

Nutritional and Non-nutritional Composition of Human Milk Is Modulated by Maternal, Infant, and Methodological Factors

et al. 2020

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“…67 Studies have shown diurnal variation in calcium, phosphorus, magnesium, iron, nucleotides, cortisol, and melatonin. [68][69][70][71][72][73][74][75] Other factors affecting breast milk…”

Section: Composition Of Expressed Fresh Human Milkmentioning

confidence: 99%

Factors Affecting the Composition of Expressed Fresh Human Milk

Pham

Patel

Baban

et al. 2020

Breastfeeding Medicine

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Breast milk is considered the ideal and preferred feeding for all infants through the first 4-6 months of life. It provides many short and long-term benefits to the infant and mother. In the absence of breastfeeding, expressed breast milk is the best way to provide nutrition. In the United States, the majority of breastfeeding mothers express milk at some point during the course of lactation. Breast milk is a dynamic fluid and its content changes with duration of lactation and varies between and among women. Many factors such as maternal diet and medications affect the constituents of breast milk. In addition, method of breast milk expression, handling, and storage can also influence its contents.

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“…healthy Indians (7)(8)(9)(10)(11)(12). Little is known, however, about such rhythms in circulating lipid peroxides and antioxidant enzymes under tropical conditions.…”

Section: Indian Journal Of Clinical Biochemistry 2004mentioning

confidence: 99%

Circadian periodicity of plasma lipid peroxides and anti-oxidant enzymes in pulmonary tuberculosis

Singh

Tripathi

et al. 2004

Indian J Clin Biochem

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The circadian periodicity of plasma lipid peroxide levels and activities of superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) were studied in 50 clinically, bactedologically and radiologically proven fresh cases of pulmonary tuberculosis (age: 21-45 years) and 60 agematched healthy volunteers with diurnal activity from 06:00 to about 22:00 and nocturnal rest. A marked circadian variation in plasma lipid peroxide level was recorded in healthy subjects and pulmonary tuberculosis patients with significant amplitude and acrophase around 16:21 and 17:12 respectively. The acrophase tended to be delayed in tuberculosis patients. Furthermore, a statistically significant circadian rhythm was found in SOD, CAT and GPx activities in normal volunteers and pulmonary tuberculopsis patients. SOD and CAT enzyme activity was noted to be maximum at 06:00 and minimum at 00:00 in tuberculosis patients. The circadian acrophase for GPx activity was recorded at 16:15 in normals and around 22:45 in patients. Moreover, the activity was found to be decreased at all sampling hours during 24-hours sleep-awake period in patients in comparison to healthy counterparts. The MESOR and circadian amplitude also decreased markedly. The decreased activity of measured antioxidant enzymes in pulmonary tuberculosis patients could probably be associated with oxidative stress and/or decreased anti-oxidant defensive mechanism in such patients.

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49 Studies on Circadian Rhythm of Breast Milk and Plasma Calcium in Lactating Indian Women

Cited by 5 publications

References 0 publications

Nutritional and Non-nutritional Composition of Human Milk Is Modulated by Maternal, Infant, and Methodological Factors

Nutritional and Non-nutritional Composition of Human Milk Is Modulated by Maternal, Infant, and Methodological Factors

Factors Affecting the Composition of Expressed Fresh Human Milk

Circadian periodicity of plasma lipid peroxides and anti-oxidant enzymes in pulmonary tuberculosis

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