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Applying X-ray fluorescence (XRF), this study investigated the elemental analysis and heavy metal contents in five Senegalese powdered milk samples (V1, L1, H1, G1, and D1). The primary focus was on Aluminum (Al), Calcium (Ca), Potassium (K), Phosphorous (P), and Chlorine (Cl), with special attention given to the compliance of these elements with safety standards. The analysis revealed that Aluminum was either absent or present in minimal quantities across all samples, suggesting that the powdered milk is largely free from this element. Calcium levels were found to be consistently higher than the Acceptable Maximum Level (AML) across all samples, with the H1 sample significantly exceeding the AML by approximately 11.1 times, with a concentration of 27,745.06 ± 310.16 ppm. This indicates a potential risk of excessive calcium intake from this sample. Potassium concentrations varied significantly; while the V1 sample remained within acceptable limits, the G1 sample exhibited potassium levels substantially above the AML, reaching 51,058.15 ± 456.13 ppm, which could pose health concerns if consumed in large quantities. Chlorine concentrations generally met the AML, except for the G1 sample, which slightly surpassed the limit at 3631.04 ± 31.23 ppm. The phosphorus content in the H1 sample was notably high, though further details are needed to fully assess its implications. The study underscores the necessity for continuous monitoring of heavy metal and elemental levels in powdered milk to ensure consumer safety.
Applying X-ray fluorescence (XRF), this study investigated the elemental analysis and heavy metal contents in five Senegalese powdered milk samples (V1, L1, H1, G1, and D1). The primary focus was on Aluminum (Al), Calcium (Ca), Potassium (K), Phosphorous (P), and Chlorine (Cl), with special attention given to the compliance of these elements with safety standards. The analysis revealed that Aluminum was either absent or present in minimal quantities across all samples, suggesting that the powdered milk is largely free from this element. Calcium levels were found to be consistently higher than the Acceptable Maximum Level (AML) across all samples, with the H1 sample significantly exceeding the AML by approximately 11.1 times, with a concentration of 27,745.06 ± 310.16 ppm. This indicates a potential risk of excessive calcium intake from this sample. Potassium concentrations varied significantly; while the V1 sample remained within acceptable limits, the G1 sample exhibited potassium levels substantially above the AML, reaching 51,058.15 ± 456.13 ppm, which could pose health concerns if consumed in large quantities. Chlorine concentrations generally met the AML, except for the G1 sample, which slightly surpassed the limit at 3631.04 ± 31.23 ppm. The phosphorus content in the H1 sample was notably high, though further details are needed to fully assess its implications. The study underscores the necessity for continuous monitoring of heavy metal and elemental levels in powdered milk to ensure consumer safety.
Background Choosing whether to pursue a trial of labor after cesarean (TOLAC) or scheduled repeat cesarean delivery (SRCD) requires prenatal assessment of risks and benefits. Providers and patients play a central role in this process. However, the influence of provider-associated characteristics on delivery methods remains unclear. We hypothesized that different provider practice groups have different obstetric outcomes in patients with one prior cesarean delivery (CD). Methods This was a retrospective cohort study of deliveries between April 29, 2015 – April 29, 2020. Subjects were divided into three cohorts: SRCD, successful VBAC, and unsuccessful VBAC (patients who chose TOLAC but had a CD). Disparities were reviewed between five different obstetric provider practice groups, determined from a breakdown of different providers delivering at the study site during the study period. Proportional differences were examined using Chi-squared tests and logistic regression models. Results 1,439 deliveries were included in the study. There were significant proportional disparities between patients in the different groups. Specifically, patients from Group D were significantly more likely to undergo successful VBAC, while patients seeing a provider from Group A were more likely to deliver by SRCD. In our multivariate analysis of successful versus unsuccessful VBAC, patients from Group D had greater odds ratios of successful VBAC compared to Group A. Patients delivered by Group E had a significantly lower odds ratio of successful VBAC. Conclusion This study suggests an association between provider practice groups and delivery outcomes among patients with one prior CD. These data contribute to a growing body of literature around patient choice in pregnancy and the interplay of patients and providers. These findings help to guide future investigations to improve outcomes among patients with a history of CD.
This study conducted an elemental analysis and assessed heavy metal concentrations in five powdered milk samples (V1, L1, H1, G1, and D1) from Senegal, utilizing X-ray Fluorescence (XRF). The analysis focused on aluminum (Al), calcium (Ca), potassium (K), phosphorus (P), and chlorine (Cl). Aluminum was either undetected or found at negligible levels in all samples. Calcium levels consistently surpassed the Acceptable Maximum Level (AML) in all samples, with H1 exceeding the AML by approximately 11.1 times (27,745.06 ± 310.16 ppm). Potassium concentrations varied, with G1 exhibiting the highest levels, significantly exceeding the AML (51,058.15 ± 456.13 ppm), while V1 remained within acceptable limits. Chlorine concentrations generally complied with the AML, except for G1, which slightly exceeded the limit (3631.04 ± 31.23 ppm). Phosphorus concentrations in H1 were notably higher than the AML (13,750.94 ± 275.35 ppm). The non-uniformity in heavy metal concentrations among samples emphasizes the need for ongoing research and regulatory scrutiny to address potential risks and ensure the safety of powdered milk.
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