Chapter 11: Problem 39

Calciferol is the chemical name of vitamin \(\mathrm{D}\).

Short Answer

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Answer: Calciferol is a group of fat-soluble compounds that includes a crucial family of vitamins required for the proper functioning of the human body, with the most well-known compound being vitamin D. In this context, Calciferol is used as another name for vitamin D. It plays a critical role in maintaining the body's calcium and phosphorus balance and contributes to the function of the immune system and various other roles in the body. Vitamin D can be obtained through sunlight exposure, dietary sources, or supplements.

Step by step solution

Introduction to Calciferol

Calciferol is a group of fat-soluble compounds that includes a crucial family of vitamins required for the proper functioning of the human body. The most well-known compound in this family is vitamin D. In the context of this exercise, Calciferol is used as another name for vitamin D.

Types of Vitamin D

Vitamin D is a fat-soluble vitamin that comes in two major forms: vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol). Vitamin D2 is derived from fungal and plant sources, while vitamin D3 is synthesized in the skin when it is exposed to ultraviolet B (UVB) radiation from sunlight or obtained from animal sources in the diet. In general, vitamin D3 is considered to be more potent and effective in maintaining adequate levels of the vitamin in the human body.

Importance of Vitamin D

Vitamin D plays a critical role in maintaining the body's calcium and phosphorus balance. It helps in the absorption of these minerals from the gut, which is necessary for the normal growth and development of bones and teeth. It also contributes to the function of the immune system and has various other roles in the body. Furthermore, vitamin D deficiencies have been linked to a variety of diseases, including rickets in children, osteopenia and osteoporosis in adults, and some autoimmune diseases.

Sources of Vitamin D

The primary source of vitamin D for humans is exposure to sunlight. When UVB radiation from the sun reaches the skin, it triggers the production of vitamin D3. However, some people may not get enough exposure to sunlight due to factors such as geographical location, indoor lifestyles, or the use of sunscreen. In these cases, one can obtain vitamin D from dietary sources and supplements. Some food sources rich in vitamin D include fatty fish (such as salmon, mackerel, and sardines), beef liver, egg yolks, and fortified dairy products.

Recommendations for Vitamin D Intake

The daily recommended intake of vitamin D varies depending on factors such as age, sex, and life stage. The general advice is to maintain adequate levels of vitamin D in the body, either through sunlight exposure, dietary sources, or supplements, to ensure proper functioning and overall health. Healthcare providers and nutrition experts can help in determining the appropriate amounts of vitamin D for individuals based on their specific needs and circumstances.

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Calciferol is the chemical name of vitamin \(\mathrm{D}\).

Short Answer

Step by step solution

Introduction to Calciferol

Types of Vitamin D

Importance of Vitamin D

Sources of Vitamin D

Recommendations for Vitamin D Intake

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