Vitamins

Robert B. Rucker, James Morris, Andrea J Fascetti

Research output: Chapter in Book/Report/Conference proceedingChapter

9 Citations (Scopus)

Abstract

This chapter helps in understating the role of vitamins for proper functioning of the body. Vitamins are defined as organic substances present in minute amounts in natural foodstuffs that are essential to normal metabolism, and the lack of which causes deficiency diseases. All natural vitamins are organic food substances found only in living things. With few exceptions, the body cannot manufacture or synthesize vitamins. Vitamins can be classified according to chemical and physical properties, such as whether they are soluble in aqueous solution or lipid solvents. Those vitamins that are soluble in lipid solvents (vitamins A, D, E, and K) are absorbed and transported by conventional lipid transport processes. For water-soluble vitamins, respective solubility coefficients are major factors that dictate the availability and ease of absorption. Within physiological ranges of intake, active processes are usually involved in the absorption of water-soluble vitamins. Vitamins in foods are often present as cofactors or in highly modified forms. Pancreatic and intestinal cell-derived enzymes are required to initiate normal uptake in absorption. Nucleosidases, phosphatases, and peptidases act as key factors in processing cofactors to vitamins.

Original languageEnglish (US)
Title of host publicationClinical Biochemistry of Domestic Animals
PublisherElsevier Inc.
Pages695-730
Number of pages36
ISBN (Print)9780123704917
DOIs
StatePublished - 2008

Fingerprint

Vitamins
vitamins
water-soluble vitamins
Lipids
lipids
deficiency diseases
N-Glycosyl Hydrolases
organic foods
Organic Food
peptidases
Deficiency Diseases
Water
aqueous solutions
vitamin A
solubility
physical properties
manufacturing
physicochemical properties
Vitamin A
Phosphoric Monoester Hydrolases

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

Cite this

Rucker, R. B., Morris, J., & Fascetti, A. J. (2008). Vitamins. In Clinical Biochemistry of Domestic Animals (pp. 695-730). Elsevier Inc.. https://doi.org/10.1016/B978-0-12-370491-7.00023-4

Vitamins. / Rucker, Robert B.; Morris, James; Fascetti, Andrea J.

Clinical Biochemistry of Domestic Animals. Elsevier Inc., 2008. p. 695-730.

Research output: Chapter in Book/Report/Conference proceedingChapter

Rucker, RB, Morris, J & Fascetti, AJ 2008, Vitamins. in Clinical Biochemistry of Domestic Animals. Elsevier Inc., pp. 695-730. https://doi.org/10.1016/B978-0-12-370491-7.00023-4
Rucker RB, Morris J, Fascetti AJ. Vitamins. In Clinical Biochemistry of Domestic Animals. Elsevier Inc. 2008. p. 695-730 https://doi.org/10.1016/B978-0-12-370491-7.00023-4
Rucker, Robert B. ; Morris, James ; Fascetti, Andrea J. / Vitamins. Clinical Biochemistry of Domestic Animals. Elsevier Inc., 2008. pp. 695-730
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