Vitamins are commonly added to many foods in order to enrich their nutritional value. For example, vitamins A and D are added to dairy and cereal products, several of the B vitamins are added to flour, cereals, baked goods, and pasta, and vitamin C is added to fruit beverages, cereals,...
It is important to note that animal cells cannot synthesize from simple compounds certain necessary complex molecules. Instead, certain large organic molecules must serve as building blocks; such so-called essential dietary components include the vitamins, some amino acids, and certain fatty substances....
Saffron stigmas are characterized by the presence of primary metabolites such as carbohydrates, minerals, fats and vitamins, as well as secondary metabolites such as terpenes, flavonoids, anthocyanins and carotenoids. Major bioactive compounds are apocarotenoids such as crocetin and its esters, known as...
The mystery of how minute amounts of dietary substances known as thevitaminsprevent diseases such asberiberi,scurvy, andpellagrabecame clear in 1935, whenriboflavin(vitamin B2) was found to be anintegralpart of an enzyme. Subsequent work hassubstantiatedthe concept that many vitamins are essential ...
inheritance, consist of long chains of heterocyclic units held together by other types of materials. Many naturally occurringpigments,vitamins, andantibioticsare heterocyclic compounds, as are mosthallucinogens. Modern society is dependent onsyntheticheterocycles for use asdrugs,pesticides,dyes, andplastics....