Concept about Selenium – This book covers the entire syllabus of “Nutrition and Dietetics” prescribed by BNMC-for all Diploma in Nursing Science and Midwifery students. We tried to accommodate latest information and topics. This book is examination friendly setup according to the teachers’ lectures and examination’s questions. At the end of the book previous university questions are given. We hope in touch with the book students’ knowledge will be upgraded and flourished. The unique way of presentation may make your reading of the book a pleasurable experience.
Concept about Selenium
Selenium (Se):
Selenium is believed to be a part of the red blood cell enzymes, glutathione peroxidase, supposed to be an antioxidant and hence considered useful for the maintenance of health and prevention of certain harmful conditions where other antioxidants are also useful. Its importance in human nutrition is presumed to be related to vitamin E. Deficiency of selenium (like that of vitamin E deficiency) causes muscular- dystrophy in young domestic cattle and sheep and enrichment of their feed prevents and corrects the malady.
Deficiency of this trace element is not known in human. The normal level of selenium is 13 g per 100 ml and the daily requirement recommended is 0.15 mg. Good natural sources are, fish, meat and cereals.
Molybdenum (Mo)
Molybdenum is widely distributed in the tissues of the animals. It is a constituent of the Xanthine oxidase’ and is essential in the xanthine-metabolism. Molybdenum is considered as an essential nutrient. Excess absorption of Molybdenum has shown to produce bony deformities. On the other hand, deficiency of molybdenum is associated with mouth and esophageal cancer.
Nickel (Ni):
The trace element nickel has been found to be present in the liver and pancreas of man. It is a constituent of certain metabolic enzymes involved in oxidation-reduction reactions, e.g. urease.
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