Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants.

Monjur Alahi

Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity ? 

(a) They activate the enzymes necessary for vitamin synthesis in the body and help prevent vitamin deficiency 

(b) They prevent excessive oxidation of carbohydrates, fats and proteins in the body and help avoid unnecessary wastage of energy 

(c) They neutralize the free radicals produced in the body during metabolism 

(d) They activate certain genes in the cells of the body and help delay the ageing process


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(c) Oxidation reactions can produce free radicals. In turn, these radicals can start chain reactions. When the chain reaction occurs in a cell, it can cause damage or death. When the chain reaction occurs in a purified monomer, it produces a polymer resin, such as a plastic, a synthetic fibre, or an oil paint film. Antioxidants terminate these chain reactions by removing free radical intermediates, and inhibit other oxidation reactions. They do this by being oxidized themselves, so antioxidants are often reducing agents such as thiols, ascorbic acid, orpolyphenols.

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