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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국식품영양과학회 한국식품영양과학회지 한국영양식량학회지 제14권 제2호
발행연도
1985.5
수록면
157 - 163 (7page)

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초록· 키워드

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Various cell wall polysaccharides and related enzyme activities in hot pepper fruit were determined at different stages of maturity. The uronic acid content of cell walls decreased between immature green and turning stage fruit and then increased by red ripe stage. In contrast, cellulose contens of cell walls changed only a little during ripening. Total neutal sugar content of cell wall material decreased 50% and galactose content of the walls decreased about 80% by the turning stage. Polygalacturonase and β-galactosidase activities, as well as total hemicellulose from isolated cell walls of ripening hot pepper fruit were studied using gel filtration chromatography. Polygalacturonase activity was not detectable but 5 isozymes of β-galactosidase were resolved. The activities of the enzymes were relatively high and gel filtration showed that they differed in molecular weight. Hemicellulose content decreased during ripening and softening. The molecular weight profiles shifted from high molecular weight to low molecular weight polymers during ripening. The changes in cell walls that may be associated with fruit softening involve the alteration of hemicellulose prior to the degradation of wall-bound uronic acid. It is suggested that the decrease in cell wall galactose involved changes in turnover of new cell wall components.

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Abstract

Ⅰ. 서론

Ⅱ. 실험재료 및 방법

Ⅲ. 결과 및 고찰

Ⅳ. 결론

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UCI(KEPA) : I410-ECN-0101-2009-511-018088138