Characterisation of hydrolysates prepared from engraved catfish (Nemapteryx caelata) roe by serial hydrolysis

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dc.contributor.authorBinsi, P.K.
dc.contributor.authorViji, P.
dc.contributor.authorPanda, S.K.
dc.contributor.authorSuseela Mathew
dc.contributor.authorZynudheen, A.A.
dc.contributor.authorRavishankar, C.N.
dc.date.accessioned2016-10-06T09:23:18Z
dc.date.available2016-10-06T09:23:18Z
dc.date.issued2016
dc.description.abstractProtein hydrolysates were prepared from defatted engraved catfish roe using alcalase enzyme by a two-stage serial hydrolysis process. The soluble hydrolysate formed after first stage of hydrolysis was removed (RH-1) and fresh enzyme was added at the same concentration to achieve further hydrolysis (RH-2). Further, compositional, surface-active and antioxidant properties of both hydrolysates were compared. The SDS-PAGE profile showed two distinct bands for RH-1, whereas no bands were visible for RH-2. On the other hand, gel filtration chromatography of the hydrolysates indicated 3–4 distinct fractions. Both the hydrolysates showed similar foam forming abilities, however, RH-1 exhibited poor foam stability. Emulsion properties of RH-1 were superior to that of RH-2. The major fractions eluted through gel filtration column were screened for antioxidant properties. Higher DPPH radical scavenging and metal chelating properties were observed for RH-1 second fragment, whereas FRAP and Fe2+ reducing power was highest for second fragment of RH-2.en_US
dc.identifier.citationJournal of Food Science and Technology 2016: 53(1):158–170en_US
dc.identifier.urihttp://hdl.handle.net/123456789/2315
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.subjectCatfish roeen_US
dc.subjectHydrolysatesen_US
dc.subjectSerial hydrolysisen_US
dc.subjectAntioxidant activityen_US
dc.subjectFunctional propertiesen_US
dc.titleCharacterisation of hydrolysates prepared from engraved catfish (Nemapteryx caelata) roe by serial hydrolysisen_US
dc.typeArticleen_US
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