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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 13 - 20 (8page)
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초록· 키워드
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Calculated chemical scores (computed in relation to the FAO/WHO reference protein) for salmon liver protein hydrolysates indicated that all amino acids (other than methionine and threonine) were present in adequate or excess quantities; thus, the raw liver material is a good source of essential amino acids. The hydrophobic amino acids contents in hydrolysates prepared from Oncorhynchus keta and O. gorbuscha were 38.4 and 39.1%, respectively. The proportion of released peptides exceeding 500 kDa was reduced when hydrolysates were treated with the commercial enzyme Alcalase, although proportions in the following MW ranges were elevated: 100–500 kDa and <50 kDa. The optimal conditions for enzymatic hydrolysis were as follows: pH 7.0, 50°C, and a reaction time of 1 h. Of the different proteases tested, Alcalase was the most efficient for production of salmon liver hydrolysate with the highest 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging activity. The hydrolysates prepared from salmon liver had a balanced amino acid composition. The liver protein hydrolysates contained low molecular weight peptides, some of which may be bio-active; this bio-active potential should be investigated. Inhibition of the DPPH radical increased with increased degree of hydrolysis (DH), regardless of protease type. DPPH radical scavenging abilities, antithrombotic effects and α-glucosidase enzyme inhibition effects of O. keta liver hydrolysate increased in a dose-dependent manner. Thus, salmon liver hydrolysate may be useful in functional food applications and as a source of novel products.
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참고문헌 (25)
참고문헌 신청
Ahn CB / 2010 / Enzymatic production of bioactive protein hydrolysates from tuna liver : Effects of enzymes and molecular weight on bioactivity / International Journal of Foo
Aspmo SI / 2005 / Enzymatic hydrolysis of Atlantic cod(Gadus morhua L. )viscera / Process Biochem 40 : 1957 ~ 1966
Baumann J. Wurn G / 1979 / Prostaglandin synthetase inhibiting O2-radical scavenging properties of some flavonoids and related phenolic compounds, Naunyn, Schmiedebergs / Arc
Benjakul S / 1997 / Protein hydrolysates from Pacifi c whiting solid wastes / J Agric Food Chem 45 : 3423 ~ 3430
Chalamaiah M / 2012 / Fish protein hydrolysates : Proximate composition, amino acid composition, antioxidant activities and applications : a review / Food Chem 135 : 3020 ~ 3
Aspmo SI / 2005 / Enzymatic hydrolysis of Atlantic cod(Gadus morhua L. )viscera / Process Biochem 40 : 1957 ~ 1966
Baumann J. Wurn G / 1979 / Prostaglandin synthetase inhibiting O2-radical scavenging properties of some flavonoids and related phenolic compounds, Naunyn, Schmiedebergs / Arc
Benjakul S / 1997 / Protein hydrolysates from Pacifi c whiting solid wastes / J Agric Food Chem 45 : 3423 ~ 3430
Chalamaiah M / 2012 / Fish protein hydrolysates : Proximate composition, amino acid composition, antioxidant activities and applications : a review / Food Chem 135 : 3020 ~ 3
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