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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 1 - 8 (8page)
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초록· 키워드
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In this study, marine tunicate Styela clava hydrolysate was produced by an environment friendly and green technology, pressurized hot water hydrolysis (PHWH) at different temperatures (125–275 °C) and pressure 50 bar. A wide range of physico-chemical and bio-functional properties such as color, pH, protein content, total carbohydrate content, reducing sugar content, and radical scavenging activities of the produced hydrolysates were evaluated. The appearance (color) of hydrolysates varied depending on the temperature; hydrolysates obtained at 125–150 °C were lighter, whereas at 175 °C gave reddish-yellow, and 225 °C gave dark brown hydrolysates. The L* (lightness), a* (red–green), and b* (yellow–blue) values of the hydrolysates varied between 35.20 and 50.21, −0.28 and 9.59, and 6.45 and 28.82, respectively. The pH values of S. clava hydrolysates varied from 6.45 (125 °C) to 8.96 (275 °C) and the values were found to be increased as the temperature was increased. The hydrolysis efficiency of S. clava hydrolysate was ranged from 46.05 to 88.67% and the highest value was found at 250 °C. The highest protein, total carbohydrate content, and reducing sugar content of the hydrolysates were found 4.52 mg/g bovine, 11.48 mg/g and 2.77 mg/g at 175, and 200 and 200 °C, respectively.
Hydrolysates obtained at lower temperature showed poor radical scavenging activity and the highest DPPH, ABTS, and FRAP activities were obtained 10.25, 14.06, and 10.91 mg trolox equivalent/g hydrolysate (dry matter basis), respectively.
Therefore, S. clava hydrolysate obtained by PHWH at 225–250 °C and 50 bar is recommended for bio-functional food supplement preparation.
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참고문헌 (21)
참고문헌 신청
Apak R / 2007 / Comparative evaluation of various total antioxidant capacity assays applied to phenolic compounds with the CUPRAC assay / Molecules 12 (7) : 1496 ~ 1547
Asaduzzaman A / 2014 / Hydrolyzates produced from mackerel Scomber japonicus skin by the pressurized hydrothermal process contain amino acids with antioxidant activities and
Benzie IF / 1996 / The ferric reducing ability of plasma(FRAP)as a measure of"antioxidant power" : the FRAP assay / Anal Biochem 239 (1) : 70 ~ 76
Bicker M / 2005 / Catalytical conversion of carbohydrates in subcritical water : A new chemical process for lactic acid production / J Mol Catal A Chem 239 (1) : 151 ~ 157
Bougatef A / 2009 / Antioxidant and free radical-scavenging activities of smooth hound(Mustelus mustelus)muscle protein hydrolysates obtained by gastrointestinal proteases /
Asaduzzaman A / 2014 / Hydrolyzates produced from mackerel Scomber japonicus skin by the pressurized hydrothermal process contain amino acids with antioxidant activities and
Benzie IF / 1996 / The ferric reducing ability of plasma(FRAP)as a measure of"antioxidant power" : the FRAP assay / Anal Biochem 239 (1) : 70 ~ 76
Bicker M / 2005 / Catalytical conversion of carbohydrates in subcritical water : A new chemical process for lactic acid production / J Mol Catal A Chem 239 (1) : 151 ~ 157
Bougatef A / 2009 / Antioxidant and free radical-scavenging activities of smooth hound(Mustelus mustelus)muscle protein hydrolysates obtained by gastrointestinal proteases /
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