Until now, there are few information on vitamin B concentration variability in milk. In this study, a novel analytical method to quantify total vitamin B in milk was developed and applied on 676 samples. In parallel, spectral analysis (colorimetry and near infrared spectroscopy) were performed to develop prediction models of vitamin B concentration in milk. The analytical method includes an acid and enzymatic extraction followed by vitamin B quantification by Ultra High Performance Liquid Chromatography coupled with fluorimetry. Samples analysis showed a wide range of concentration from 0.78 to 4.58 mg/L with a mean of 2.09 ± 0.48 mg/L. Two prediction models based on colorimetric analysis allow estimation of vitamin B concentration in milk. Thus, this work shows an analytical method and, for the first time, a prediction method to enable enhancement of researches on vitamin B content of milk and its variation factors.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1016/j.foodchem.2020.128310 | DOI Listing |
Clin Rheumatol
January 2025
Department of Molecular Biology, Institute of Genomic Science and Medicine, Juárez Avenue 1822 Oriente, 27000, Torreón, Coahuila, México.
Vitamin D deficiency is a public health problem worldwide. Some studies have associated serum vitamin D deficiency with knee osteoarthritis. Additionally, some vitamin D receptor polymorphisms have been linked to knee osteoarthritis.
View Article and Find Full Text PDFJ Sep Sci
January 2025
Department of Pharmaceutical Sciences, University of Perugia, Perugia, Italy.
The objective of this study is to develop an HPLC-UV method for the cost-effective and quantitative determination of vitamin D3 in food, even in the presence of vitamin D2, with a specific focus on egg yolk. During method development, the performance of three stationary phases in resolving the peak of vitamin D2 from that of vitamin D3 was investigated. The physicochemical properties of these phases differed particularly in the extent of hydrophobicity and silanophilic activity, including a GraceSmart RP C18 column without silanol endcapping, a Robusta RP C18 column with silanol endcapping, and a Waters Xbridge RP C18 column with ethylene-bridged hybrid (BEH) particle technology.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Maternal Health Care, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, 410008, Hunan, China.
There is little research on anemia and vitamin D deficiency in HIV-exposed uninfected (HEU) children. This study was aimed to describe and compare the prevalence of anemia and vitamin D inadequacy in HEU children and HIV-unexposed uninfected (HUU) children, and to examine the associations of HIV exposure with anemia and vitamin D inadequacy. This was a hospital-based descriptive cross-sectional study nested within the Prevention of Mother-to-Child Transmission (PMTCT) of HIV program in Hunan Province during July and September 2022.
View Article and Find Full Text PDFBMJ Open
January 2025
Department of Obstetrics and Gynaecology, Uganda Martyrs University, Mother Kevin Postgraduate Medical School, Nsambya Campus, Kampala, Uganda.
Objective: There is a dearth of published data on the vitamin D status of the Ugandan population; the objective of the study was to determine the prevalence of vitamin D deficiency among pregnant women in Uganda and its associations with maternal characteristics and adverse foetal-maternal outcomes.
Study Design And Setting: We conducted a cross-sectional study on pregnant women admitted to a tertiary referral hospital in Kampala, Uganda for delivery during the study period from July to December 2023.
Participants: The study was conducted on 351 pregnant women aged ≥18 years who consented to participate in the study, who had a single intrauterine pregnancy and a gestational age greater than 26 weeks, and who delivered at St.
EBioMedicine
January 2025
Singapore Lipidomics Incubator, Life Sciences Institute, National University of Singapore, Singapore, Singapore; Department of Biochemistry and Precision Medicine Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore. Electronic address:
Background: Apolipoproteins as an integral part of lipoproteins are crucial for the transport and metabolism of lipids. However, there is a lack of longitudinal studies to quantify the concentrations of maternal apolipoproteins from preconception to postpartum and their associations with maternal metabolic health and offspring birth outcomes.
Methods: Quantification of apolipoproteins was performed on maternal plasma samples (N = 243 trios) collected at preconception, 26-28 weeks' pregnancy, and three months postpartum in the Singapore PREconception Study of long-Term maternal and child Outcomes (S-PRESTO) cohort study.
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!