Spreads enriched with three different levels of vegetable oil sterols and the degree of cholesterol lowering in normocholesterolaemic and mildly hypercholesterolaemic subjects

Objective: To investigate the dose-response relationship between cholesterol lowering and three different, relatively low intake levels of plant sterols (0.83, 1.61, 3.24 g/d) from spreads. To investigate the effects on lipid-soluble (pro)vitamins. Design: A randomized double-blind placebo controlled balanced incomplete Latin square design using...

Klinische betekenis van extra vitaminen uit supplementen en verrijkte voedingsmiddelen [Clinical importance of extra vitamins from supplements and enriched foodstuffs]

-Consumers increasingly use vitamin supplements. Also, since June 1996, foodstuffs enriched with vitamins are available on the Dutch market. -These sources of extra vitamins may be useful for groups at risk for marginal vitamin deficiencies. -These risk groups include the chronically ill (e.g. diabetics), people using medicaments, older people...

Vitamins and cancer

The prospect that high intake of certain vitamins may confer protection against cancer has drawn substantial attention during the last decades. This paper gives a concise update of the role of a number of promising vitamins in prevention of cancer. Vitamin A and its analogues have an important role in cellular processes related to carcinogenesis...

The rat incisor in toxicologic pathology

Microscopic examination of the incisors of rats and mice may reveal toxicologically significant changes. First, the incisor morphology reflects the nutritional status of the animal: fluctuations of mineral metabolism and vitamin availability are disclosed by the rodent incisors, because the incisors continue to grow during life. Similarly,...

Changes of some vitamin levels during and after normal pregnancy

Most vitamin status parameters change significantly during pregnancy. A number of factors have been associated with this hypovitaminaemia of pregnancy. From our data, it was concluded that the initial value of a vitamin status parameter was by far the main determinant of the changes of vitamin levels during pregnancy: the higher the value, the...

Some characteristics of three ageing rat models for osteopenia with emphasis on effects of PTH

Ageing rats are more appropriate for studies on age-related osteopenia than growing or young adult rats, because of the better similarity with ageing man. Both have a negative bone balance, a low bone turnover, decreasing intestinal calcium absorption and decreasing levels of systemic hormones influencing the calcium and bone metabolism....

Vitamin D

Chemicals/CAS: Vitamin D, 1406-16-2

Vitamin D status, parathyroid hormone and sunlight in Turkish, Moroccan and Caucasian children in the Netherlands

At the end of the winter circulating concentrations of 25-hydroxyvitamin D (25-OHD) in Asian and Mediterranen immigrants in northwestern European countries are usually very low. This may lead to vitamin D deficiency and eventually to rickets. Children are more prone to develop vitamin D deficiency. The vitamin D status of 8-year-old Turkish,...

Calcium metabolism in sarcoidosis: A follow-up study with respect to parathyroid hormone and vitamin D metabolites