Show Summary Details
Page of

date: 03 August 2021

p. 293. Protein nutritionlocked

p. 293. Protein nutritionlocked

  • David A. Bender


About 14 per cent of the human body is protein, so a growing child, or pregnant woman must have protein intake to increase the total amount of protein in the body, or foetus, as it grows. But why does an adult, whose body weight does not change, require protein in the diet? ‘Protein nutrition’ explains that proteins contain the element nitrogen in their constituent amino acids. Nitrogen balance is the difference between the intake of nitrogen-containing compounds in the diet and the excretion of nitrogen-containing compounds from the body. There is a requirement for dietary protein as the continual breakdown of tissue proteins in the body needs replacement by newly synthesized protein.

Access to the complete content on Very Short Introductions online requires a subscription or purchase. Public users are able to search the site and view the abstracts and keywords for each book and chapter without a subscription.

Please subscribe or login to access full text content.

If you have purchased a print title that contains an access token, please see the token for information about how to register your code.

For questions on access or troubleshooting, please check our FAQs, and if you can't find the answer there, please contact us.