나노리포좀으로 코팅된 Hemicellulase가 당근의 연화작용에 미치는 효과
(주)코리아스칼라
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서지정보
ㆍ발행기관 : 한국산업식품공학회
ㆍ수록지정보 : 산업식품공학 / 19권 / 4호
ㆍ저자명 : 김광일, 조연지, 김수진, 서재희, 민상기, 조형용, 신정규, 최미정
목차
서 론
재료 및 방법
재료
나노리포좀 제조
시료의 전처리
입자 크기 및 제타 전위
색도
경도
광학 현미경 관찰
Hemicellulase 활성
관능검사
통계분석
결과 및 고찰
리포좀 입자 크기 및 제타 전위 측정
경도
광학 현미경 관찰
Hemicellulase 활성 측정
관능검사
결 론
감사의 글
참고문헌
영어 초록
The objective is to investigate effect of liposome coated hemicellulose on softening of carrot. To encapsulate hemicellulose in nanoliposome, 2% hemicellulase and 2% lecithin were processed by using high-speed homogenizer (10,000 rpm, 3 min) and ultrasonification (200 W, 54%). The carrot were cut into cylinder type (3×1 cm) and then immersed in distilled water (DW, control), hemicellulase (He) and nanoliposome coated hemicellulose (He/NL) for 48 h at 4oC. The final concentration of hemicellulose is 1% (w/v). The droplets properties of He, NL, He/NL analyzed using zeta-sizer. Moreover, the carrots treated different immersed solutions were characterized by measuring hardness, color, microstructural observation and enzyme activity (glucose contents). For the results, hardness of carrot immersed in He or He/NL solution decreased after 48 h by 47% or 31% (outline of carrot) and 35% or 31% (center of carrot) respectively compared to control (7,240 g). The total color difference value of all samples increased over immersion time. For microstructural observation, cell was destroyed after 24 h at He solution. For the enzyme activity, glucose contents of carrot in He solution increased than it in He/NL at 0 h sample however the enzyme activity was no significant difference with immersion time.
참고 자료
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