期刊
FOOD CHEMISTRY
卷 161, 期 -, 页码 391-399出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2014.04.003
关键词
Antioxidant capacity; Lipoxygenase; Phospholipase A(2); Functional properties; Proteins; Flour; Seed; Prosopis
资金
- Consejo de Investigacion de la Universidad Nacional de Tucuman (CIUNT, Tucuman, Argentina) [26 D-430]
- Consejo Nacional de Investigaciones Cientiflcas y Tecnicas (CONICET
- Buenos Aires, Argentina) [PIP-704]
- Agencia Nacional de Promocion Cientifica y Tecnica [Prestamo BID 1959]
Prosopis species are considered multipurpose trees and shrubs by FAO and their fruit constitute a food source for humans and animals. According to the Codigo Alimentario Argentino, algarrobo flour is produced by grinding the whole mature pod, but in the traditional process most of the seeds are discarded. In this paper, the flour from seed was obtained. Then, the proteins were extracted and enzymatic hydrolysis was carried out. According to their amino acid profile and chemical score (>100%), the Prosopis alba proteins, are not deficient in essential amino acids considering the amount of amino acid necessary by adults. The protein isolate showed a good solubility (pH 7.4-9), emulsificant capacity, oil binding capacity and water adsorption capacity. The antioxidant ability of proteins was significantly increased with hydrolysis (SC50 values: 50-5 mu g/mL, respectively). Inhibitory activity of pro-inflammatory enzymes (lipoxygenase and phospholipase) was described. The mutagenicity/antimutagenicity of proteins and protein hydrolysates from seed flour were also analysed. The results suggest that P. alba cotyledon flour could be a new alternative in the formulation of functional foods not only for its high protein content but also by the biological and functional properties of its proteins and protein hydrolysates. (C) 2014 Elsevier Ltd. All rights reserved.
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