Antirachitic Potency of Vitamin D Sulfate in Human Milk

Sahashi, Yoshikazu; Suzuki, Takao; Higaki, Miyato; Asano, Tutomu

doi:10.5925/jnsv1954.15.78

Cited by 31 publications

(9 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Human colostrum has twice the activity of mature milk and the concentration depends on the maternal diet (Macy, 1949;Macy & Kelly, 1961). The major contributor to vitamin D activity, which varies greatly, is vitamin D 3 (cholecalciferol) (DHSS, 1980), but there have been reports of a water-soluble vitamin D sulphate in both cow's and human milk (Sahashi et al 1967;Le Boulch el al. 1974;Lakdawala & Widdowson, 1977).…”

Section: Vitaminsmentioning

confidence: 99%

Human and artificial milks for infant feeding

Gurr¹

1981

Journal of Dairy Research

View full text Add to dashboard Cite

Section: Vitaminsmentioning

confidence: 99%

Human and artificial milks for infant feeding

Gurr¹

1981

Journal of Dairy Research

View full text Add to dashboard Cite

“…The figures are based on single determinations for each sample. Owing to the low levels of vitamin D 3 in milk and the difficulties in quantifying the peak (after HPLC analysis) with confidence, the concentrations may be subject to a similar error of up to 0015 fig/100 g. The presence of water soluble vitamin D sulphate has been reported by various workers (Sahashi et al 1969;Le Boulch et al 1974), but recently it has been shown that this water soluble fraction of cow's milk does not possess significant antirachitic activity (Leerbeck & Sondergaard, 1980;DeLuca, 1980). For the analysis reported here, any water soluble vitamin D was therefore removed from the sample before analysis.…”

Section: Resultsmentioning

confidence: 99%

Nutrient content of liquid milk

Scott

Bishop

Zechalko

et al. 1984

Journal of Dairy Research

View full text Add to dashboard Cite

A survey was undertaken to update and extend available information on the vitamin content of pasteurized milk as produced at processing dairies in mainland UK and to investigate regional, seasonal and breed effects. The concentration of total retinol in milk from non-Channel Island (NCI) breeds averaged 619/tg/lOOg in summer and 41-2/£g/100g in winter. Concentrations of /^-carotene were 31*5 and 105/tg/100 g in summer and winter respectively. Concentrations of retinol in milk from Channel Island (CI) breeds were similar, but concentrations of /^-carotene were on average 3 times higher. The concentration of vitamin D 3 in milk from NCI breeds was 0-033/ig/100 g in summer and 0026 /ig/100 g in winter. There was no marked seasonal variation in the mean concentration of total vitamin C (14-5 /*g/ml). Values for the concentration of B vitamins (/jg/ml) were: folic acid 0-060, vitamin B 12 0'0042, riboflavin 1-78, nicotinic acid 0-71, pantothenic acid 3-60, biotin 0-020, thiamin 0-46 and vitamin B 6 061. Seasonal variation in the concentration was most marked for folic acid (c.v. 17-4%) and to a lesser extent for vitamin B 12 (c.v. 10-3%). The only breed differences in the B vitamin content were for riboflavin and folic acid, the mean values obtained for milk from CI breeds being respectively 20 and 10 % higher than those from NCI breeds.Because of its high nutritive value and the quantities consumed, milk is one of the most important primary commodities in the British diet. In addition to protein, fat, carbohydrate and Ca, milk is also a significant source of many vitamins and trace elements.Although monthly averages of butterfat and solids-not-fat in raw milk are published by the Milk Marketing Board, no recent comprehensive data on the nutrient content of pasteurized bulk milk from the British herd are available. In the most recent edition of Composition of Foods (Paul & Southgate, 1978) all values, apart from riboflavin, vitamin C and most minerals (analysed in bottled milk by the * Present address: Academia Medyczna, Zaklad Bromatologii,

show abstract

“…Turton et al27 reported that nonpregnant white women had a mean 25-OHCC level of 9 ng/ml; 24 nmol/l (7-11 ng/ml (18 -7-29-4 nmol/l) ± 1 SEM after log transformation), and while at 20-30 weeks of pregnancy the mean value was 7 ng/ml; 18 7 nmol/l (6-9 ng/ml (16-24 nmol/l) ), by 30-40 weeks it had returned to 9 ng/ml (6)(7)(8)(9)(10)(11)(12). All values were performed in February, so seasonal effects were excluded.…”

Section: -Hydroxycholecalciferol Serum Levels In Breast-fed Infantsmentioning

confidence: 95%