Exploitation of starch industry liquid by-product to produce bioactive
peptides from rice hydrolyzed proteins

Dei Più, L.; Tassoni, A.; Serrazanetti, D. I.; Ferri, M.; Babini, E.; Tagliazucchi, Davide; Gianotti, A.

doi:10.1016/j.foodchem.2014.01.055

Small peptides show higher antioxidant capacity than native proteins and may be absorbed in the intestine without further digestion. In our study, a protein by-product from rice starch industry was hydrolyzed with commercial proteolytic enzymes (Alcalase, Neutrase, Flavourzyme) and microbial whole cells of Bacillus spp. and the released peptides were tested for antioxidant activity. Among enzymes, Alcalase was the most performing, while microbial proteolytic activity was less efficient. Conversely, the antioxidant activity was higher in the samples obtained by microbial hydrolysis and particularly with Bacillus pumilus AG1. The sequences of low molecular weight antioxidant peptides were determined and analyzed for aminoacidic composition. The results obtained so far suggest that the hydrolytic treatment of this industrial by-product, with selected enzymes and microbial systems, can allow its exploitation for the production of functional additives and supplements rich in antioxidant peptides, to be used in new food formulas for human consumption.

Exploitation of starch industry liquid by-product to produce bioactive peptides from rice hydrolyzed proteins / L., Dei Più; A., Tassoni; D. I., Serrazanetti; M., Ferri; E., Babini; Tagliazucchi, Davide; A., Gianotti. - In: FOOD CHEMISTRY. - ISSN 0308-8146. - STAMPA. - 155(2014), pp. 199-206.

Data di pubblicazione:	2014
Titolo:	Exploitation of starch industry liquid by-product to produce bioactive peptides from rice hydrolyzed proteins
Autore/i:	L., Dei Più; A., Tassoni; D. I., Serrazanetti; M., Ferri; E., Babini; Tagliazucchi, Davide; A., Gianotti
Autore/i UNIMORE:	L. Dei Più A. Tassoni D. I. Serrazanetti M. Ferri E. Babini TAGLIAZUCCHI, Davide A. Gianotti mostra contributor esterni nascondi contributor esterni
Digital Object Identifier (DOI):	http://dx.doi.org/10.1016/j.foodchem.2014.01.055
Rivista:	FOOD CHEMISTRY
Volume:	155
Pagina iniziale:	199
Pagina finale:	206
Codice identificativo ISI:	WOS:000333730000030
Codice identificativo Scopus:	2-s2.0-84893954819
Codice identificativo Pubmed:	24594175
Citazione:	Exploitation of starch industry liquid by-product to produce bioactive peptides from rice hydrolyzed proteins / L., Dei Più; A., Tassoni; D. I., Serrazanetti; M., Ferri; E., Babini; Tagliazucchi, Davide; A., Gianotti. - In: FOOD CHEMISTRY. - ISSN 0308-8146. - STAMPA. - 155(2014), pp. 199-206.
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http://hdl.handle.net/11380/998724

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