Concept about Manganese (Mn) – 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 Manganese (Mn)
The body of a normal man weighing 70 kg contains about 12-2A mg manganese. It is distributed throughout the body tissues and fluids. The following tissues, viz. bone, kidney, liver, pancreases and pituitary contain -more manganese than other tissues. The manganese content of human blood is very low-2 to 3 microgram/100 ml. It is excreted mostly in bile. Rich natural sources are cereals, pulses, nuts, tea, and coffee. Average diet provides more than 5 mg of the element daily. Minimum daily requirement is 3.7 mg.
Effects of manganese deficiency:
The most important deficiency effects observed are:
1. Impaired growth.
2. Skeletal abnormalities.
3. Depressed reproductive function
4. Ataxia of the newborn
Manganese toxicity in human:
Toxic symptoms have due to inhalation of dust from manganese ores. The signs and symptoms are been reported to occur in mine workers
1. Blurred speech.
2. Tremors of the hands and
3. Spastic gait”
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