Question
Describe the physiological functions of minerals in the human body. Explain their applications in the food industry, and critically analyse the consequences of deficiency or excess of any one mineral in the diet.
Answer :
Word Count : 1069
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Skip in 10
Minerals are inorganic elements that play a vital role in the normal functioning of the human body. They are required in varying amounts, some in larger quantities known as macrominerals, such as calcium, phosphorus, sodium, potassium, magnesium, and sulfur, while others are needed in smaller amounts called trace minerals, including iron, zinc, iodine, selenium, copper, manganese, fluoride, and chromium. Despite being required in small amounts, minerals are indispensable because they regulate biochemical reactions, maintain structural integrity, support fluid balance, and ensure proper cellular communication. Their physiological functions are diverse and interconnected with overall health, and any imbalance can lead to clinical disorders. The physiological functions of minerals are primarily associated with maintaining body structures, regulating nerve impulses, supporting muscle contraction, contributing to enzymatic activity, and preserving acid-base equilibrium. Calcium, for instance, is the most abundant mineral in the body, where it contributes to bone and teeth strength. Beyond its structural role, calcium also facilitates nerve transmission, blood clotting, and muscle contraction. Phosphorus complements calcium in bone mineralization while also forming a component of nucleic acids, ATP, and phospholipids, which are crucial for energy metabolism and cell membrane integrity. Magnesium is another mineral involved in bone health, enzyme activation, and neuromuscular conduction. Sodium and potassium play significant roles in maintaining osmotic balance, nerve impulse transmission, and muscle contraction through the sodium-potassium pump mechanism, which regulates cell excitability. Chloride assists in fluid balance and contributes to the formation of hydrochloric acid in the stomach, which is necessary for digestion. Sulfur is essential as a component of amino acids like methionine and cysteine, contributing to protein structure and enzyme function. Trace minerals are equally important despite their lower quantitative requirements. Iron is a fundamental component of hemoglobin and myoglobin, enabling oxygen transport and storage in blood and muscle, respectively. It is also a cofactor in numerous enzymatic reactions within cellular respiration. Zinc is
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