The Amino-acid Score and Physical Growth: Implications for the Assessment of Protein Quality

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Year of publication 2013
Type Article in Proceedings
Conference World Academy of Science, Engineering and Technology - INTERNATIONAL SCIENCE INDEX ISSUE 84 DECEMBER 2013 PARIS
MU Faculty or unit

Faculty of Sports Studies

Field Sport and leisure time activities
Keywords Protein quality; amino-acid score; physical growth; male height
Description The purpose of this study was to test the reliability of various standards that assess the quality of proteins via the “aminoacid score” and serve as a nutritional guideline for both children and adults. The height of young men in 42 European countries, Australia, New Zealand and USA was compared with the average consumption of food (after FAOSTAT, 2009) and a subsequent statistical analysis identified types of food with the most pronounced effect on physical growth. The results show that milk products and pork meat are by far the most significant nutritional factors in this regard. Cereals, vegetables and especially wheat played a strongly negative role. The results generally agreed best with the amino-acid score of proteins according to the standard of FAO 1985. In our opinion, the new standard of FAO 2007 underestimates the importance of tryptophan, which should provoke a debate about new modifications of the FAO guidelines.
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