Vitamin D belongs to the fat-soluble steroids. It occurs in several forms, which could include:
- calciferol– vitamin D1, occurring mainly in cod- liver oil,
- ergocalciferol– vitamin D2,
Vitamin C (ascorbic acid) is a water-soluble compound synthesized from glucose by plants and most animals. Human (as well as other primates, guinea pigs, some fish, and several species of bats) is unable to synthesize and store vitamin C for an extended period of time.
Vitamin A is a group of chemical compounds of similar structure and functions in the body. A biological, active form of vitamin A is retinol. Together with its derivatives: retinal (aldehyde form) and retinoic acid (acid form) it belongs to retinoids.
Calcium (Ca) is one of the most important macroelement that is essential for maintaining homeostasis in the body. It is very important in strengthening and rebuilding bones. 99% occurs in the body in the form of hydroxyapatite and builds bone tissue.
Selenium (Se) is one of the most important bioelements, necessary for the proper functioning of the body. The content of selenium in the organism of an adult man varies between 10 – 30mg.
Propolis, otherwise known as bee glue, is a sticky, balsamic-resinous substance that color is light blue-greenish to dark brown. Bees produce propolis from resin contained in stomas of the cortex of trees,
Magnesium (Mg) is one of the most important macro-elements responsible for the proper functioning of the body. It provides about 0,05% of body weight of an adult man (24-35 g). Highest magnesium content in the human body is characteristic for bone tissue (around 60%).
Flavonoids are organic chemical substances included in plants, included in the composition of polyphenols. About 4000 compounds are known, which occurs as well as in leafs, seeds, flowers and fruit plants. They perform many functions as color giving,