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What are BCAA? Name any two BCAA. State any two functions of BCAA. Also, explain Biological Value.

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BCAA are Branched chain amino acids.

BCAA: ile, leu,val, lys, trp


  • are essential for the biosynthesis of muscle protein
  • help in increasing the bio-availability of high complex carbohydrates
  • reduce muscle breakdown and act as an energy source before and after exercise. Hence while maintaining exercise performance and delaying exhaustion BCAAs are very important for muscle growth.

Biological value- It measures the amount of protein nitrogen that is retained by the body from a given amount of protein nitrogen that has been consumed.

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