Published in Scientific Papers. Series A. Agronomy, Vol. LXVIII, Issue 1
Written by Gheorghe MATEI, Alina Mădălina PLEȘOIANU, Lorena Diana POPA, Simona Florina ISTICIOAIA, Valentin Nicolae VLĂDUȚ
The aimed of this review is to highlight the importance of sustainable vegetarian protein sources in a world with a growing population in which dietary principles have also changed. This involves using sustainable non-animal protein sources. Nevertheless, the quantification of the nutritional quality of food sources also involves the normalization of the essential amino acid content with the protein content. For this, new methods for the determination and analysis of proteins individually or simultaneously with amino acids are needed, with possible advantages such as being simple, inexpensive, fast and accurate, etc. In this review, we try to summarize the benefits of a sustainable vegetarian diet (rich source of proteins), but also the importance of the continued development of simpler and faster methods to determine protein quality and content. The use of spectrophotometric methods for the measurement and analysis of proteins is of major interest, as they are generally simple, fast and with high sensitivity, as well as the adaptation of traditional methods such as the traditional biuret reagent.
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