상업적 효소를 이용한 명태(Theragra chalcogramma) 두부 및 정형 다시마(Laminaria japonica) 부산물 유래 고압 추출물의 수율개선 및 이의 식품성분 특성
Improvement on Yield of Extracts from Byproducts of Alaska Pollock Theragra chalcogramma and Sea Tangle Laminaria japonica using Commercial Enzymes and Its Food Component Characterization
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참고문헌
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초록
This study was conducted to improve the yield of extracts from Alaska pollock Theragra chalcogramma head and sea tangle Laminaria japonica byproducts using various commercial enzymes, such as Alcalase, Flavourzyme, Neutrase (NH), and Protamex. Among the enzymatic hydrolysates, the yield was highest in hydrolysate incubated with NH for 4 h. NH-treated hydrolysates (NHH) also improved functional properties, such as angiotensin-I converting enzyme (ACE) inhibitory activity and 2,2-diphenyl-1-picryldrazyl (DPPH) radical scavenging activity, as compared to extracts from Alaska pollock head and sea tangle byproducts. Total free amino acid and taste values of NHH were 379.7 mg/100 mL and 24.03, respectively, after digestion for 4 h. These values are 2.2-fold and 1.9-fold higher compared with those of water soluble fractions extracted from Alaska pollock head and non-forming sea tangle, respectively. According to the taste value results, the major taste-active compounds among free amino acids of NHH were glutamic acid and aspartic acid. These results suggest that NHH can be used as an ingredient for natural seasoning preparation.
Abstract
This study was conducted to improve the yield of extracts from Alaska pollock Theragra chalcogramma head and sea tangle Laminaria japonica byproducts using various commercial enzymes, such as Alcalase, Flavourzyme, Neutrase (NH), and Protamex. Among the enzymatic hydrolysates, the yield was highest in hydrolysate incubated with NH for 4 h. NH-treated hydrolysates (NHH) also improved functional properties, such as angiotensin-I converting enzyme (ACE) inhibitory activity and 2,2-diphenyl-1-picryldrazyl (DPPH) radical scavenging activity, as compared to extracts from Alaska pollock head and sea tangle byproducts. Total free amino acid and taste values of NHH were 379.7 mg/100 mL and 24.03, respectively, after digestion for 4 h. These values are 2.2-fold and 1.9-fold higher compared with those of water soluble fractions extracted from Alaska pollock head and non-forming sea tangle, respectively. According to the taste value results, the major taste-active compounds among free amino acids of NHH were glutamic acid and aspartic acid. These results suggest that NHH can be used as an ingredient for natural seasoning preparation.
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