Abstract
The quality of protein concentrates coming from conventional and non-conventional vegetable sources was evaluated.
The protein quality was assessed by the multi-point assay RPV. Whole body weight gain, weight gain corrected for the gastrointestinal content (G.I.), total body nitrogen and total liver nitrogen were used as response parameters.
The various protein sources ranked differently depending upon the response parameters utilized, but a great majority of the sources had a good nutritional value (over 0.5). The gastrointestinal content is one of the principal factors responsible for the differences found. However, even after correcting for the G.I. content, some differences remained.
For the various protein sources, the nitrogen deposition in the liver correlates satisfactorily with the whole body nitrogen deposition, if in the calculation of the regression line, the data for faba bean and tobacco were omitted (respectivelyr=0.610 andr=0.925).
On the whole, these data indicate that most plant protein concentrates in suitable combinations and properly processed, may become a promising alternative to animal proteins.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Altshul AM (1974) Protein food technologies and the politics of food: an overview. In: New protein foods. New York: Altshul, pp 1–38
Cappelloni M (1979) Preparazione di un concentrato proteico di favino. In: Prospettive delle proteaginose in Italia. Atti del Convegno di Perugia: C Pompei, pp 510–513
Corcos Benedetti P, Tagliamonte B, Bises G, Gentili V, Spadoni MA (1981) Evaluation of protein quality: comparison of single-point and multi-point assays. Ann Nutr Metab 25: 48–58
Di Corato A (1980) Coltivazione in sistema tubolare. In: Atti del Convegno su Prospettive della coltura di Spirulina in Italia. Firenze: R Materassi, pp 261–282
Fantozzi P, Sensidoni A (1982) Utilizzazione del tabacco come materiale da fumo e come possible fonte alimentare nota 2: Valutazione della frazione proteica. Ind Al 194:375–383
Galoppini C, Fiorentini E, Pachetti P (1978) Leaf protein concentrates for animal feeding: Italian research and realization. In: Atti del III Congresso Mondiale di alimentazione animale Madrid, pp 477–481
Materassi R, Balloni W, Pushparay B, Pelosi E, Sili C (1980) Cultura massiva di Spirulina in sistemi colturali aperti. In: Atti del Convegno su Prospettive della coltura di Spirulina in Italia. Firenze: R. Materassi, pp 241–260
Rossi J, Tuttobello L (unpublished data)
Rossi J, Tuttobello L (unpublished data)
Samonds KW, Hegsted DM (1977) Animal bioassays: a critical evaluation of specific reference to assessing nutritive value for the human. In: Bodwell CE (ed), Evaluation of proteins for humans. Westport, Conn: Avi Publishing Co, Inc, pp 68–80
Scrimshaw NS, Young VR (1977) Nutritional evaluation and the utilization of protein resources. In: Bodwell CE (ed), Evaluation of proteins for humans. Westport, Conn: Avi Publishing Co, Inc, pp 1–40
Smith EB, Johnson BC (1967) Studies on aminoacid requirements of adult rats. Brit J Nutr 21:17–27
Sotelo-Lopez A, Lucas-Florintino B (1978) Determination of net protein utilization using whole carcass, hind leg, or liver of the rat and its relationship with protein efficiency ratio determination. J Nutr 108:61–66
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Benedetti, P.C., Bises, G., Gentili, V. et al. Evaluation of biological quality of protein concentrates from different vegetable protein sources. Plant Food Hum Nutr 33, 179–186 (1983). https://doi.org/10.1007/BF01091306
Issue Date:
DOI: https://doi.org/10.1007/BF01091306